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海尔VQ400M系列类A安全组合阀门产品说明书

VQ400M SERIESCLASS “A” COMBINATION VALVESPRODUCT HANDBOOKAPPLICATIONFigure 1 VQ420M & VQ425MFigure 2 VQ440M & VQ450MThe VQ400M Series class “A” safety combination valves are used for control and regulation of gaseous fluids in gas power burners, atmospheric gas boilers, melting furnaces, incinerators and other gas consuming appliances.The VQ400M offers flexibility to mount accessories like valve-position indicator, pressure indication switches, vent-valves or by-pass valves at several positions at the gas valve, whenever, wherever. These combination valves are available in two body sizes:∙ Small modelo VQ420 o VQ425∙ Large modelo VQ440 o VQ450All models are connected at suitable sized gas pipes by flange kits which can be ordered separately in several sizes.CONTENTSVQ400M SERIES (1)CLASS “A” COMBINATION VALVES (1)APPLICATION (1)Contents (2)FEATURES (2)DESCRIPTION (3)SPECIFICATION (3)Models (3)Dimensions (3)Pipe sizes (4)Capacity (4)Connections (4)Torsion and bending stress (4)Supply voltages (4)Electrical equipment (4)Electrical connections (5)Ambient temperature range (5)Coil insulation solenoid valves (5)Enclosure (5)Body material (5)Closing spring (5)Valve plunger (5)Seals and gaskets (5)Power consumption (5)PERFORMANCE CHARACTERISTICS (6)Opening time (6)Closing time (6)Maximum working frequency (6)Duty cycle (6)Operational voltage range (6)Designed life time (6)CAPACITY CURVES (7)INSTALLATION (8)IMPORTANT (8)WARNING (8)Maintenance and service (8)Mounting position (8)Mounting location (8)Main gas connection flanged valves (9)WARNING! (9)Electrical connection (9)WARNING (9)Wiring (9)ADJUSTMENTS AND FINAL CHECKOUT (11)CAUTION (11)2nd main valve fast opening (11)2nd main valve slow opening (11)IMPORTANT (11)Final checkout of the installation (12)OPTION INSTALLATION (13)WARNING (13)CONSTRUCTION AND WORKING PRINCIPLES (13)ORDERING INFORMATION (14)NOTE (14)Replacement of parts (15)Warning (15)Recommended accessories (15)APPROVALS (17)Declaration of Conformity ........... Error! Bookmark not defined.FEATURES∙Class “A” safety combination valve forcontrol of gaseous fluids in gas consumingappliances in accordance with internationalstandards.∙Main body with two gas valves with single seat.∙Possibility of installing internal by-pass valve to achieve high-low flame control.∙Possibility of installing internal or external pilot valve.∙Possibility of installing vent valve.∙Possibility of installing flanged minimum and maximum pressure switches.∙Possibility of installing valve ProvingSystem (VPS).∙Possibility of mounting Closed Position Indication switch (CPI) at bottom of safetyvalve V1 and / or valve V2.∙Closing time: < 1 second.∙ Coils field replaceable.∙Coils suitable for permanent energizing.∙Fine mesh screen between inlet flange and main body (optional).∙Various pressure tap points at main body available∙Second main valve, either with adjustable flow regulator (fast), or characterizedopening mechanism (slow) with adjustablemaximum flow rate and step pressure.∙Rectifier boards field replaceable.∙PG11 cable strain relief standard atVQ400M.∙Plug connector according to ISO 4400 / DIN EN 175301-803 optional for VQ400M.DESCRIPTIONThe VQ400M Series combination valves are suitable for the control of gaseous fluids in gas consuming appliances according to international standards.The VQ400M Series combination valves meet the class “A” specification according EN161. TheVQ400M Series combination valves can be ordered with straight flanged pipe connection from 1/2 " up to 2". The VQ400M Series combination valves are standard equipped with two safety valves V1 andV2. The first valve (V1) is always fast opening. The second valve (V2) can be either fast or slow opening.∙Standard the second valve (V2) is supplied with throttle screw (fast opening with flowregulation).∙Optionally the second valve (V2) can be ordered with slow opening device (with flowregulation and adjustable opening).∙Optionally the second valve (V2) can be ordered fast open, without any regulationdevice.SPECIFICATIONThe specifications described in this chapter are related to the main gas valves.ModelsModels can be ordered according order specification numbering which is shownin Figure .15For an overview of all known combinations see surveys:∙ 50040300∙ 50040301 (Accessories) The VQ400M series combination valves areavailable in two body sizes:∙ Small modelo VQ420Mo VQ425M∙ Large modelo VQ440Mo VQ450MAll models are connected at suitable sized gaspipes by flange kits which have to be orderedseparately.DimensionsMain dimensions of the models are given atinstallation drawings:Table 1 Overview of installation drawings.Model Installationdrawing VQ420M INST0171VQ425M INST0172VQ440M INST0169VQ450M INST0170 Installation drawings are available in Honeywell documentation centre “HotDocs” and can besupplied digitally on request through Honeywellsales representative.Pipe sizesFor connecting with several pipe sizes it is recommended to mount Honeywell flange kits which can be ordered separately as indicated below.Table 2 Overview of recommended pipe sizes.Gas valve Recommended pipe size OptionVQ420M ½” 1 VQ420M ¾” 2 VQ425M 1”VQ440M 1¼” 1 VQ440M 1½” 2 VQ450M 2” Recommended flanges for each model to be mounted are given in table 3 and table 4. CapacityMain body: see capacity curves at Figure . Maximum operating pressure is 360 mbar for all models∙ 360 mbaro VQ420Mo VQ425Mo VQ440Mo VQ450M ConnectionsAs shown in the figure below, VQ400M is provided with plugs and flanges giving flexibility to customize this combination valve with Honeywell accessories.Figure 3 Interfaces for possible accessoriesTorsion and bending stressPipe connections meet group 2 according to EN161 requirements.Supply voltagesVQ400 M series can be ordered for line voltage: ∙230 Vac, 50/60 Hz∙115 Vac, 50/60 Hz∙120 Vac, 50/60 HzElectrical equipmentAC rectified coils with separated rectifier inside the cover.Plugs for mounting:∙pressure tap∙Valve provingsystem∙Pressure switchesPlugs for connecting:∙By pass valve∙Internal or externalpilot valve∙Vent valveFlange connection V2In the bottom plate twoplugs are available formounting ClosedOutlet flange Inlet flangeFlange connection V1Plug for mountingpressure tapElectrical connectionsVQ400M: standard plug connection accordingPG11 on main gas valves and additional valves. Optional: three pin plug connector (…DIN plug“) on main gas valves and additional valves.Ambient temperature rangeVQ400M is designed to operate in ambient temperature levels between: -15 ... 60 °CCoil insulation solenoid valves Insulation material is specified according class F. EnclosureIP54 in combination with PG11 connection.IP65 in combination with DIN-plug connection.Body materialAluminum alloy die cast body.Closing springAISI 302 steelValve plungerChrome plated Fe 360B steel sliding on anti-friction bearing.Seals and gasketsHydrocarbon resistant NBR rubber type Power consumptionHoneywell provides VQ400M with coils that suit demands of specified inlet pressure levels. An overview of power consumption for different applications is given in the table below.Table 3 Power consumption of each VQ400M main valve for360 mbar applications.115V120V230VVQ420M 16,5 18 15VQ425M 23,9 26,1 21,1VQ440M 52 56,7 46,5VQ450M- - 61PERFORMANCE CHARACTERISTICSOpening timeThe first valve (V1) opens in less than 1 second.The second valve (V2) can be either a fast opening valve which opens in less than 1 second or a characterized opening valve which is adjustable from 1 up to 30 seconds, at rated capacity.The opening characteristic is factory set at approximately 6 seconds at the following conditions:∙measured at 80 % of rated capacity∙30 mbar supply pressure∙ nominal voltage∙ 20 °C∙2,5 mbar pressure drop∙no step pressureDue to the influence of ambient temperature (-15 ...60 °C) the adjusted opening time of 6 seconds measured at 80% of adjusted flow rate can vary +/- 4 seconds.Closing timeLess than 1 second for both valves. Maximum working frequencyVQ400M is equipped for maximal working frequency of one cycle per minute.Duty cycleCoils are suitable for permanent energizing. Operational voltage rangeThe combination gas valve will function satisfactory between 85% and 110% of the rated voltage.Designed life timeOverview of designed life time is given in the table below.Table 4 Number of cycles per model.Model Number of cyclesVQ420MA 500.000VQ425MA 500.000VQ440MA 300.000VQ450MA 300.000CAPACITY CURVESFor comparison an overview of specified capacity of VQ400M is shown in table 5. Table 5 Overview of reference capacity in m3/h air at ∆p = 2.5 mbar.Gas valve Flange size Pipe size Flow capacityVQ420MA DN15 ½” -VQ420MA DN20 ¾” 8VQ425MA DN25 1” 11¼” 25VQ440MA DN32 1½” 31VQ440MA DN40 1VQ450MA DN50 2” 40In figure 4 a broader range of specified capacity for VQ400M is shown in curves.Figure 4 Capacity curve for VQ400M Series class …A” combination valves.INSTALLATIONIMPORTANT1. Read these instructions carefully. Failure tofollow the instructions could damage theproduct or cause a hazardous condition.2. Check the ratings given in the instructionsand on the product to make sure theproduct is suitable for your application.3. The installation has to be carried out byqualified personnel only.4. Carry out a thorough checkout wheninstallation is completed.WARNING∙Turn off gas supply before installation.∙Disconnect power supply to the valveactuator before beginning the installation toprevent electrical shock and damage to theequipment.∙Do not remove the seal over valve inlet and outlet until ready to connect piping.∙The valve must be installed so that the arrow on the valve points in the direction ofthe gas flow (gas pressure helps to closethe valve). Maintenance and serviceThe designed lifetime* of this product is 10 years, based on date code, according to:a) the standard EN 126b) the table on designed lifetime as stated onthe Afecor website /We cannot assume that the product can be safely used beyond the mentioned designed lifetime. This lifetime is based on use of the control according manufacturer’s instructions.Regular inspection of the control by authorized personnel in accordance with guidelines of the appliance manufacturer is required.After reaching the designed lifetime the product has to be replaced by authorized personnel.Note: * Warranty as opposed to designed lifetime is described in the delivery terms.Mounting positionThe gas valve can be mounted in vertical position with the coils at top side. The gas valve can be mounted plus or minus 90 degrees from the vertical.Mounting locationThe distance between the gas valve and thewall/ground must be at least 30 mm.Main gas connection flanged valves1. Take care that dirt does not enter the gasvalve during handling.2. Remove the flanges from the valve.3. Use a sound taper fitting with threadaccording to ISO 7-1 or new, properlyreamed pipe, free from swarf.4. Apply a moderate amount of good qualitythread compound to the pipe for fitting only;leaving the two end threads bare, PTFEtape may be used as an alternative.5. Screw the flanges onto the pipes.6. Ensure that inlet and outlet flanges are inline and separated from each other enoughto allow the valve to be mounted betweenthem without damaging the gasket.7. Place gasket. If necessary grease it slightlyto keep it in place.8. Mount gas valve between flanges using thebolts for each flange.9. Complete the electrical connections asinstructed in the electrical connectionsection.WARNING!Tightness test after installation∙Spray all pipe connections and gaskets with a good quality gas leak detectionspray.∙Start the appliance and check for bubbles.If a leak is found in a pipe connection,remake the joint. A gasket leak can usuallybe stopped by tightening the mountingscrews, otherwise, replace the gas valve. Electrical connectionWARNING∙Switch off power supply before making electrical connections.∙All wiring must comply with local codes, ordinances and regulations.Use lead wire which can withstand 105 °C ambient. The electric ON/OFF operator is provided with a terminal block for electrical connections.Wiring PG11Small models VQ420M-VQ425MRemove screws (A).Take off protective cover lids and gaskets (B). Take off plugs Pg11 from holes (Figure 5):(K) and (N) – for connecting separately.(K), (L) and (M) – for connecting bycommon supply from inlet side.(N), (L) and (M) – for connecting bycommon supply from outlet side.Figure 5 IP54 version closed by plugsPrepare cables∙Remove plastic outside insulation for about 50-75 mm.∙Strip wires from plastic insulation for about 5-7mm.Place cable support screw (C), steel ring(D), rubber ring (E) and guide wires through the hole in the cover to the connection block (F).Connect wires between plates by tightening the particular screws (F1, F2, F3)∙ Left: Phase∙Middle: Earth connection∙ Right: NeutralIf common supply:Loose screw (P) and cap (S). Turn coils and insert adaptor (G).Turn back coils and tight screw (P) and cap (S) by tightening torque 2,5 Nm.Connect corresponding contact by wires through adaptor.Tight cable support screws (C)Place gaskets and cover lids in position (B)Place screws (A) and tight.Figure 6 Small model connected by common supply from outlet sideLarge models VQ440M-VQ450MEach coil have to be supply separately.Remove screws (A)Take off protective cover lids and gasket (B)Take off one from two plugs Pg11.Prepare cables∙Remove plastic outside insulation for about 50-75 mm.∙Strip wires from plastic insulation for about 5-7mm.Place cable support screw (C), steel ring(D), rubber ring (E) and guide wires through the hole in the cover to the connection block (F).Connect wires between plates by tightening the particular screws (F1, F2, F3)∙ Left: Phase∙Middle: Earth connection∙ Right: NeutralTight cable support screws (C)Place gaskets and cover lids in position (B)Place screws (A) and tight.Figure 7 Large model – V2 coil connected from outlet side Wiring DIN plugFollow the instructions supplied by the appliance manufacturer as shown in the figures below. Coilssupply separateFigure 8 Three pin electrical plug connector (according to ISO 4400 / DIN EN 175301-803).ADJUSTMENTS AND FINAL CHECKOUTThe procedures described in this chapter are related to the adjustments on the main gas valve, pilot valve and by-pass valve. For adjustments on the other additional functionalities (e.g. pressure switch), refer to the included instruction sheet of the product in question in the package.CAUTION∙ Adjustments must be made by qualifiedpersonnel only.∙To ensure a safe closing of the valves, it is essential that voltage over the terminals of operators is reduced to 0 Volts.2nd main valve fast openingFigure 9 Adjusting flow rate.Flow rate adjustment (see Fig. 9.)1. Remove the cap screw from top of the coil.2. Place a socket head wrench into theadjustment nut. 3. Turn wrench counter-clockwise to increaseor clockwise to decrease flow rate. 4. Replace cap screw.2nd main valve slow openingThe following characteristics can be adjusted:∙ flow rate ∙ steppressure ∙ opening speedFigure 10 Characterized opening.IMPORTANTTo ensure a satisfactory setting of the valve the pressure drop over the valve should be at least 10% of the supply pressure or 2.5 mbar which ever is the greatest.Flow rate adjustment1. Remove the cap from top of the coil byloosening both screws. 2. Place a wrench on the adjustment hexagonnut. 3. Turn wrench counter-clockwise to increaseor clockwise to decrease the flow rate. 4. Replace cap on top of the coil.Figure 11 Adjusting flow rate.Step pressure adjustment (see fig. 12.)1. Remove the cap from top of the coil byloosening both screws. 2. Place a screw driver in the slot ofadjustment screw which is situated in center of the valve. 3. Turn screw driver counter-clockwise toincrease or clockwise to decrease step pressure. 4.Replace cap on top of the coil.Figure 12 Adjusting step pressure.Opening speed adjustment1. Remove the cap from top of the coil byloosening both screws. 2. Place screw driver in the slot of adjustmentscrew which is of center line. 3. Turn screw driver counter-clockwise toincrease the opening speed and therefore the time till full opening will decrease. 4. Turn screw driver clockwise to decreasethe opening speed and therefore the time till full opening will increase. 5.Replace cap on top of the coil.Figure 13 Adjusting opening speed.Final checkout of the installationSet the appliance in operation after any adjustment and observe several complete cycles to ensure that all burner components function correctly.OPTION INSTALLATIONInstallation can be done by the OEM or by qualified personnel in field.WARNINGIf additional hardware needs to be installed on field, then installation personnel should take care, that the main gas flow to the appliance has been completely stopped by an upstream manual shut-off valve prior to the installation.Installation1. Open the required gas flow channels byremoving the suitable plugs from the valvebody.2. Take care that dirt can not enter the gasvalve during handling3. Install the screw-in additional hardware asrequired (vent, by-pass, external pilotvalve)4. Please refer to the relevant instructionsheetCONSTRUCTION AND WORKINGPRINCIPLESThe VQ400M combination gas valves are 2 x class “A” fail safe shut-off valves. The valve is opened by energizing the direct ON / OFF operator. The direct ON / OFF operator consists of a coil and stopsleeve assembly. Inside the top sleeve assembly a plunger is placed which is able to move up anddown and thus opening or closing the valve. Theplunger is gliding on two anti-friction bearings. Flow regulation is done by adjustable plunger stroke. A strainer made out of steel AISI 303 is incorporated between inlet flange and main body. Valve closingSECTION A-AFigure 14 Schematic drawing of VQ400M.Moveable valve toopen / close flowchannelAutomatic closing mechanismwhen power is switched offdeviceElectro-magneticactuatorFlow directionORDERING INFORMATIONFigure 15 Ordering information VQ400M Series combination valves. NOTEAccessories as flanges need to be ordered separately.REPLACEMENT OF PARTS Warning∙Take care that only qualified persons carry out the installation of parts, accessories,and add on components.∙Follow the installation instructions included in the package.∙Check that the selected part, accessory or add-on component is the correct one forthe application in question.∙Replace old gaskets with the new ones supplied in the package and check forleakage when the supply is switched onagain.∙After installation and/or replacement has been completed, a gas leak test must becarried out.∙Also check the gas valve for satisfactory operation after fitting accessories.Table 6 Rectifier boards for VQ400M series.Gas valve Rectifier board115V/120V Rectifier board230VVQ420MA CS020020 CS020070 VQ425MA CS020020 CS020070 VQ440MA CS020020 CS020071 VQ450MA CS020020 CS020071 RECOMMENDED ACCESSORIESThere are two different series of flange kits available. The first series of flange kits consist of: 1 flange with sealing plug, 1 O-rings and 4 screws.Table 7 Flange kits without strainer.Gas valve Recommended flange kitVQ420M KTCOMB15VQ420M KTCOMB20VQ425M KTCOMB25VQ440M KTCOMB32VQ440M KTCOMB40VQ450M KTCOMB50The second series of flange kits consist of: 1 flange with sealing plug or cast pressure tap, 1 strainer, 1 O-rings and 4 screwsTable 8 Flange kits with strainer.Gas valve Recommended flange kitVQ420M KTCOMS15VQ420M KTCOMS20VQ425M KTCOMS25VQ440M KTCOMS32VQ440M KTCOMS40VQ450M KTCOMS50Table 9 Overview of recommended internal by-pass valves. Gas valve Internal by pass valveVQ400M VB420XxxxxSee Honeywell documentation VB420Xxxxx KIT for further instructions on internal by-pass valves. Table 10 Overview of recommended external pilot valves.Gasvalve ExternalpilotvalveVQ400M VP420XxxxxSee Honeywell documentation VP420Xxxxx KIT for further instructions on external pilot valves.Table 11 Overview of recommended vent valves.Gas valve Vent valveVQ400M VV420XxxxxSee Honeywell documentation VV420Xxxx KIT for further instructions on vent valves. Table 12 Overview of recommended closed position indication switches (CPI).Gas valve Closed position indicatorVQ420M MS062001VQ425M MS062501VQ440M MS064001VQ450M MS065001Table 13 Honeywell fine particle filter.Gasvalve HoneywellFilterVQ420M HFVR050/HFVR150VQ425MThis filter is used to filter fine (50 or 150 µm) particles of dirt out of gas flow.HoneywellHoneywell Building Technologies Environmental & Energy Solutions Honeywell Technologies Sàrl Z.A. La Pièce 16 1180 Rolle (VD) – CHSTANDARDS AND APPROVALS。

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主要连接尺寸：。

埃美柯阀门图册ppt幻灯片

108黄铜闸阀106黄铜法兰闸阀168黄铜闸阀158黄铜足径通闸阀6196铸铁法兰明杆闸阀6197铸铁法兰暗杆闸阀6199球磨铸铁闸阀8120不锈钢闸阀9191铸钢法兰闸阀216黄铜球阀239240黄铜法兰球阀262t型黄铜三通球阀266黄铜球阀269黄铜高杆球阀270黄铜卡套球阀277黄铜活接头球阀696黄铜磁性带锁过滤器球阀901黄铜浮球阀902黄铜法兰浮球阀906黄铜过滤型浮球阀8250不锈钢球阀8252不锈钢球阀棒式不锈钢球阀一片式不锈钢铸钢法兰球阀302黄铜截止阀306黄铜截止阀314黄铜法兰截止阀320黄铜直流式截止阀361黄铜法兰平衡截止阀380青铜截止阀8330不锈钢截止阀不锈钢铸钢法兰截止阀802803铸铁蝶阀806对夹式硬密封蝶阀807弹性法兰硬密封蝶阀808对夹式多层次硬密封蝶阀809多层次法兰硬密封蝶阀9803s信号蝶阀9804电动对夹式蝶阀9833蜗轮法兰硬密封蝶阀742电磁阀401黄铜止回阀409黄铜法兰止回阀410黄铜立式止回阀415黄铜对夹式止回阀416黄铜升降式缓闭止回阀420黄铜水表止回阀428黄铜法兰消声止回阀480青铜止回阀9405橡胶瓣止回阀9406双瓣止回阀94089418静音式止回阀9485不锈钢法兰止回阀9495铸钢法兰止回阀701黄铜不锈钢可调减压阀702黄铜法兰可调减压阀710黄铜活塞式可调减压阀712717黄铜比例减压阀718黄铜可调式减压阀722727黄铜法兰比例减压阀729黄铜活塞式可调减压阀730黄铜法兰活塞式可调减压阀745黄铜可调式减压阀9701可调式减压阀9745黄铜带过滤器可调式减压阀705黄铜自动排气阀9707复合式排气阀9708微量排气阀9100x遥控浮球阀9401防污隔断阀倒流防止器9402黄铜防污隔断阀9501黄铜数字平衡阀9503铸钢数字平衡阀9504自力式流量平衡阀9505自力式压差控制阀9508平衡阀kpf9621防爆波阀9910x隔膜式遥控浮球阀9916x隔膜式电磁遥控浮球阀9920x隔膜式可调减压阀9930x缓闭式止回阀9950x隔膜式泄压持压阀9960x隔膜式电动控制阀9980x隔膜式压差旁通平衡阀580青铜过滤器601黄铜过滤器603黄铜法兰过滤器605黄铜反冲洗过滤器606黄铜不锈钢过滤器606a黄铜过滤器6698铸铁法兰y型拉杆伸缩过滤器6699铸铁法兰过滤器9604不锈钢过滤器267黄铜直角阀过滤器角阀310黄铜直角阀

上海穆科阀门有限公司介绍企业发展分析报告

Enterprise Development专业品质权威Analysis Report企业发展分析报告上海穆科阀门有限公司免责声明:本报告通过对该企业公开数据进行分析生成，并不完全代表我方对该企业的意见，如有错误请及时联系;本报告出于对企业发展研究目的产生，仅供参考，在任何情况下，使用本报告所引起的一切后果，我方不承担任何责任:本报告不得用于一切商业用途，如需引用或合作，请与我方联系:上海穆科阀门有限公司1企业发展分析结果1.1 企业发展指数得分企业发展指数得分上海穆科阀门有限公司综合得分说明：企业发展指数根据企业规模、企业创新、企业风险、企业活力四个维度对企业发展情况进行评价。

该企业的综合评价得分需要您得到该公司授权后，我们将协助您分析给出。

1.2 企业画像类别内容行业通用设备制造业-其他通用设备制造业资质增值税一般纳税人产品服务料，塑料制品，建筑材料，五金交电，电子产1.3 发展历程2工商2.1工商信息2.2工商变更2.3股东结构2.4主要人员2.5分支机构2.6对外投资2.7企业年报2.8股权出质2.9动产抵押2.10司法协助2.11清算2.12注销3投融资3.1融资历史3.2投资事件3.3核心团队3.4企业业务4企业信用4.1企业信用4.2行政许可-工商局4.3行政处罚-信用中国4.4行政处罚-工商局4.5税务评级4.6税务处罚4.7经营异常4.8经营异常-工商局4.9采购不良行为4.10产品抽查4.11产品抽查-工商局4.12欠税公告4.13环保处罚4.14被执行人5司法文书5.1法律诉讼（当事人）5.2法律诉讼（相关人）5.3开庭公告5.4被执行人5.5法院公告5.6破产暂无破产数据6企业资质6.1资质许可6.2人员资质6.3产品许可6.4特殊许可7知识产权7.1商标7.2专利7.3软件著作权7.4作品著作权7.5网站备案7.6应用APP7.7微信公众号8招标中标8.1政府招标8.2政府中标8.3央企招标8.4央企中标9标准9.1国家标准9.2行业标准9.3团体标准9.4地方标准10成果奖励10.1国家奖励10.2省部奖励10.3社会奖励10.4科技成果11土地11.1大块土地出让11.2出让公告11.3土地抵押11.4地块公示11.5大企业购地11.6土地出租11.7土地结果11.8土地转让12基金12.1国家自然基金12.2国家自然基金成果12.3国家社科基金13招聘13.1招聘信息感谢阅读:感谢您耐心地阅读这份企业调查分析报告。

全启式安全阀

全启式安全阀
全启式安全阀是一种用于保护设备和管道系统的重要安全装置，它能够在系统
内部压力超过设定值时自动打开，释放压力，防止设备或管道因压力过高而发生破裂或损坏，从而保障设备和人员的安全。

全启式安全阀广泛应用于石油、化工、冶金、电力、制药等行业的生产设备和管道系统中。

全启式安全阀的工作原理是利用弹簧和压力作用在阀芯上的力平衡，当系统内
部压力超过设定值时，阀芯会自动打开，释放压力，当压力降低到设定值以下时，阀芯会自动关闭，恢复正常工作状态。

全启式安全阀具有结构简单、灵敏可靠、操作方便等特点，能够有效保护设备和管道系统的安全运行。

在选择全启式安全阀时，需要根据实际工作条件和要求来确定阀门的额定压力、口径大小、材质等参数，以确保安全阀能够正常工作并符合相关标准要求。

此外，安装位置和安装方式也是影响全启式安全阀工作效果的重要因素，需要根据系统的特点和要求进行合理的安装设计和布置。

全启式安全阀的维护和保养也是非常重要的，定期检查阀门的密封性能、弹簧
的弹性、阀芯的灵活性等，及时发现并排除可能存在的问题，以确保安全阀的正常工作。

此外，还需要定期进行压力测试，验证安全阀的启闭压力是否符合要求，以保证其可靠性和稳定性。

总的来说，全启式安全阀是保护设备和管道系统安全运行的重要装置，正确选择、安装和维护全启式安全阀对于保障系统的安全性和稳定性至关重要。

只有加强对全启式安全阀的理解和重视，才能更好地保护设备和人员的安全，确保生产系统的正常运行。

带散热器弹簧全启式安全阀上海穆科阀门有限公司

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255
230
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200
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360
310
278
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405
355
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YA40Y-C材料
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WCB
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2Cr13
1Cr18Ni9Ti
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2Cr13
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AZM 161SK_12 12RKN_024 双向安全阀说明书

10.06.2016 10:21:13hDatasheet AZM 161SK12/12RKN024Solenoid interlock / AZM 161 Preferred typ(Minor differences between the printed image and the original productmay exist!)• Thermoplastic enclosure• Doubleinsulated• Interlock with protection against incorrect locking.• 130 mm x 90 mm x 30 mm • 6 Contacts • Long life• Large wiring compartment • Emergency release• cable entries 4 M 16 x 1.5Ordering detailsProduct type description AZM 161SK12/12RKN024Article number101172152EAN code 4030661306865eCl@ss 27272603ApprovalApprovalBG USA/CAN CCCClassificationStandards EN ISO 138491B 10d Opener (NC) 2.000.000Mission time 20 Y earsnoticeGlobal PropertiesProduct name AZM 161StandardsEN 6094751, BGGSET19Compliance with the Directives (Y/N) Y es Number of actuating directions3 pieceActive principle electromechanicalDuty cycle Magnet 100 %Materials Material of the housings Plastic, glassfibre reinforced thermoplastic, selfextinguishing Material of the contacts SilverHousing coating NoneWeight435 gMechanical dataActuating play in direction of actuation 5.5 mmDesign of electrical connection Screw connectionCable section Min. Cable section1 x 0,25 mm² Max. Cable section1 x 1.5 mm²Mechanical life> 1.000.000 operationsnotice All indications about the cable section are including theconductor ferrules.Emergency unlocking device (Y/N)NoManual release (Y/N)NoEmergency release (Y/N)Y esLatching force30 NPositive break force20 Npositive break travel9.5 mmClamping force F2000 NMax. Actuating speed2 m/sActuating frequency max. 1000 / hAmbient conditionsAmbient temperature Min. environmental temperature−25 °C Max. environmental temperature+60 °CProtection class IP67 to IEC/EN 60529Electrical dataDesign of control element Normally open contact (NO), Opener (NC) Switching principle Creep circuit elementNumber of auxiliary contacts2 pieceNumber of safety contacts4 piecePower to unlock Y esPower to lock NoRated control voltage U s24 VAC/DCPower consumption max. 10 WRated impulse withstand voltage U imp4 kVRated insulation voltage U i250 VThermal test current I the6 AUtilisation category AC15: 230 V / 4 A,DC13: 24 V / 2,5 ARequired rated shortcircuit current1000 AMax. fuse rating6 A gG Dfuse To DIN EN 602691ATEXExplosion protection categories for gases NoneExplosion protected category for dusts NoneMiscellaneous dataApplicationssliding safety guard,removable guard,hinged safety guardDimensionsDimensions of the sensor Width of sensor130 mm Height of sensor90 mm Length of sensor30 mmnoticeEmergency release• For cases of danger• Mounting only outside the guarded areaDiagramNote Diagrampositive break NC contactactiveno activeNormallyopen contactNormallyclosed contactSwitch travel diagramNotes Switch travel diagramContact closedContact openSetting rangeBreak pointPositive opening sequence/ angleVS adjustable range of NO contactVÖ adjustable range of NC contactN after travelOrdering suffixThe applicable ordering suffix is added at the end of the part number of the safety switch. Order example: AZM 161SK12/12RKN024G...G Protected against incorrect polarity and voltage spikes. limited terminating space 0,75 mm²Diagram14 guard open13 +24 VDC63 0 VDC64 unlockedOrdering codeAZM 161 (1)(2)(3)K(4)(5)(6)(7)(1)SK Screw connectionCC Cage clampsST male connector M12, 8 and 4poles(Only for U s: 24 VAC/DC)(2)12/122 Normally open contact (NO) / 4Opener (NC)12/112 Normally open contact (NO) / 3Opener (NC) (Plugin connection) 11/122 Normally open contact (NO) / 3Opener (NC) (Plugin connection)(3)without Latching force 5 NR Latching force 30 N(4)without Power to unlockA Power to lock(5)without Manual release lateralED Manual release coversideEU Manual release rearT Emergency exit lateral TD Emergency exit coverside TU Emergency exit rearN Emergency release(6)024U s : 24 VAC/DC 110/230U s : 110/230 VAC(7)G with LED (Only for U s : 24 VAC/DC)ImagesDimensional drawing (basic component)Operating principleSystem componentsActuator101145117 AZM 161B1101144416 AZM 161B1E101171859 AZM 161B1ES101175431 AZM 161B1F101171125 AZM 161B1S101173089 AZM 161B12053 WITH BALL LATCH101164100 AZM 161B11747 WITH MAGNETIC LATCH101178199 AZM 161B12024101176642 AZM 161B12177 WITH CENTERING GUIDE101174113 AZM 161B62177 WITH CENTERING GUIDE • For very smal actuating radii101170375 AZM 161B6S101144420 AZM 161B6• For very smal actuating radiiDoorhandle systemAZM 161STS30• Latching handle• Suitable for all types of guardAccessories101100887 TRIANGULAR KEY TKM5• For manual release using M5 triangular key, available asaccessory• For maintenance, installation, etc.101149213 Mounting set MS AZM 161 R/P101150376 Mounting set MS AZM 161 PK.A. Schmersal GmbH & Co. KG, Möddinghofe 30, D42279 WuppertalThe data and values have been checked throroughly. Technical modifications and errors excepted.Generiert am 10.06.2016 10:21:14h Kasbase 3.2.2.F.64I。

MASCOT产品选型样本

201 支架 202 气缸 210 调节螺钉 211 执行机构推杆 213 行程刻度牌 225 活塞 227 弹簧扣 228 执行机构推杆垫片 229 弹簧 248 调节螺钉垫片 249 阀杆夹 253 支架衬套 256 固定环 271 活塞O形环 272 活塞推杆O形环 274 支架O形环 275 执行机构推杆O形环 348 执行机构推杆锁紧螺母
锻造
锻造车间的能力包括落锤锻造和自由锻造直径最大至1000mm的各种标准材料和特殊材料，制造成阀盖、法兰、阀塞和阀座环。
配合
诸如大型加工中心和数控机床（CNC）等扩展设备能够生产各种不同尺寸的阀组件。
涂装
可以满足各种不同的涂装要求，比如标准涂装、用于海上服务的厚涂层涂装，以及用于高温场合的涂装要求。
MASCOT Industrial 15A Randor Street Campbellfield, Victoria 3061 Australia
Tel: +61 3 9357 6555 | Fax: +61 3 9357 6566 Email: sales@ | Web: 本手册仅供信息参考,我们会努力确保资料的准确性和所提供技术规格的精确度, 但手册内容不作为对于产品本身的解释或担保。MASCOT Industrial保留对产品设计的更改或改进的权力,本手册中产品信息和技术规格如有变更，恕不另行通知。MASCOT Industrial对产品的选型,使用和维护不予负责。产品的
高端技术紧密关断
澳大利亚的制造能力
高可靠性值得信赖
Page 2
源自澳大利亚的制造能力
MASCOT公司所具有的源自澳大利亚的制造能力包括针对困难工况，应用多种材料和特殊设计，制造压力等级为ASME CL150至CL4500，尺寸范围由0.5” 至36”的球阀以及2.0”至48”的旋转阀（蝶阀、V形球阀、偏心旋塞阀）。澳大利亚企业利用供应商合作关系来完成铸件的生产和阀组件的加工这使加工车间的工作量更具弹性并且大大减少了生产交付周期。与合作伙伴迄今二十年的合作使MASCOT公司在高品质和及时交付表现上取得了有证明的良好记录。

常用安全阀型号及适用介质对照表

常用安全阀型号及适用介质对照表
安全阀型号很多，种类也很多，根据结构来分有弹簧式安全阀、杠杆式安全阀、先导式安全阀(脉冲安全阀)；
有A21H安全阀、A28X安全阀、A41H安全阀、A48Y安全阀等。

一般新手在选用安全阀的时候，不知道什么介质应该选用什么样的安全阀型号的产品。

为了方便大家选用适宜的安全阀，上海五岳在这里介绍一下常用安全阀型号及相关的技术数据。

对于许多特殊形式的安全阀，这里就不再详述。

全阀
带散热器弹簧
按安全阀阀瓣开启高度可分为微启式安全阀和全启式安全阀。

微启式安全阀的开启行程高度为：≤0.05d0(最小排放喉部口径)；全启式安全阀开启高度为≤0.25d0（最小排放喉部口径）。

在水管道上，应采用微启式安全阀；在蒸汽管道上，可根据所需排放量的大小，采用全启式安全阀或微启式安全阀。

阀)；根据型号来分方便大家选用适宜的安全阀，上海
≤0.05d0(最小排放喉部口
安全阀；在蒸汽管道上，可根据所。

安全阀

安全阀灰库储气罐安全阀（灰库旁，1个）弹簧式安全阀型号：A27H-10 公称直径：DN25mm使用温度≤200度工作压力：0.7-1.0 MPa 整定压力：0.8MPa 使用介质：蒸汽、水、空气厂家：青岛通达阀门有限公司石灰石库储气罐安全阀（石灰石库旁，1个）型号：A27H-10 公称直径：DN65mm使用温度≤200度工作压力：0.7-1.0 MPa 整定压力：0.8MPa 使用介质：蒸汽、水、空气厂家：青岛通达阀门有限公司炉本体储气罐安全阀（疏水箱旁，1个）A48Y-16型弹簧式安全阀公称直径：DN80mm流道直径：50mm 压力等级：0.6-0.8MPa 公称压力：1.6MPa 额定压力：0.68MPa 排放压力：0.7MPa 回座压力：0.612MPa 使用温度≤350 度排量系数：0.75适用介质：蒸汽、空气等厂家：江苏火电电力设备有限公司盐城电站阀门总厂电除尘储气罐安全阀（空压机房旁边，1个）型号：A27H-10 公称直径：DN65mm使用温度≤200度工作压力：0.7-1.0 MPa 整定压力：0.75MPa使用介质：蒸汽、水、空气厂家：青岛通达阀门有限公司汽包安全阀（1#、2#炉汽包上，共4个）SUPERO全量型安全阀型号：PAT74145公称直径：DN65mm使用温度≤325度喉部直径dt：48mm整定压力Ps：12.31MPa启闭压差BD: 7% 排放量W：108178Kg/h行程h ：11mm 出厂日期：2007.3 编号：07-3-4-28（2#炉1#）厂家：中国哈尔滨锅炉厂有限公司过热器安全阀（1#、2#炉过热器集箱上，共4个）SUPERO全量型安全阀启闭压差：BD 4%型号：PAT749F 公称直径：DN60mm行程h：9mm 工作温度t：540度喉部直径dt：42mm 整定压力Ps：10.29MPa 排放量W：52591Kg/h制造日期：2006.11（1#炉2#）2006.12（1#炉1#）2007.3（2#炉1#）2007.3（2#炉2#）出厂编号：06-9-8-19 （1#炉2#）06-9-4-14（1#炉1#）06-9-6-17（2#炉1#）06-9-6-26（2#炉2#）厂家：中国哈尔滨锅炉厂有限责任公司冷渣机安全阀（1#、2#、3#、4#冷渣机冷却水管道上，共4个）型号：A21H-40C 通径：15mm 额定压力：2.6 MPa压力等级：2.5-3.0 MPa ISO9001国际认证厂家：上海天正阀门制造有限公司高流风机安全阀（1#与2#、3#与4#连接管道上，共2个）型号：SV-350 压力：29.4 KPa 标准：GB12241生产日期：200709 出厂编号：070904厂家：山东省章丘市鼓风机厂有限公司氧化风机安全阀（1#、2#氧化风机出口管道上，共2个）型号：A27W-1Q 启座压力：0.1MPa厂家：宜兴百思机械设备有限公司空压机安全阀（4台空压机的油气分离器上，共4个）型号：A28X-16T 证号：TS2710388-2009 标准号：GB/T1223-2005 出厂编号：9（1#）、77（2#）、12（3#）出厂日期：2007.3（1#）、2009.11（2#）、2007.3（3#）、2008.6（4#）整定压力：0.78MPa 使用温度：120℃厂家：上海同山阀门制造有限公司供油泵安全阀（供油泵出口管道上，共1个）型号：A41H-40 整定压力：3.2 MPa 回座压力：2.72MPa开启高度：大于2mm 介质：油、水、气公称通径：50mm 使用温度300℃厂家：上海同山阀门制造有限公司。

Parker P70 Series智能性能新效率模块式加载感应式阀门系列说明说明书

The P70 SeriesSmartperformanceNew efficiency for sequential applicationsModular Load Sensing ValvesSeries P70LSParker Hanniﬁ n AB SE-501 78 BoråsTel.: +46 (0)33 700 52 00Fax: +46 (0)33 12 11 /euro_mcdBulletin HY17-8510-B1/UK 3 M 05/06 S&S© Copyright 2006Parker Hanniﬁ n Corporation All rights reservedCommon features – P70 series:• Main pressure relief valve• Port relief valves with anti-cavitationfunction• Anti-cavitation valves • Application adapted spools • Pressure compensated spools • Load hold check valve• For single or multi-pump operationOptions vary for different valvesValve Pump ﬂ ow Pressure Operation l/minbar Manual Pneumatic Hydraulic Electro-hydraulicP70CF 70 350 • • • •P70CP 90 350 • • • • P70LS90350••The ultimate cost/performance compromise!Open Centre technology taken to the limits!Lower running costs, longer service lifeThe unique P70LS solution with its built-in, intelligent load-sensing abilities will give you precise control, quick reactions and a higher overall system efﬁciency, resulting in lower noise and lower heat losses, and ultimately considerably lower fuel consumption and an extended service life. All this has been made possible through an ingenious adaptation of our existing mass market valve technology, reducing your time-to-market without compromising performance.Take the ﬁrst step today!The new P70LS can also be a cost-reducing option to fully load sensing valves for less demanding functions in more complex systems. The P70LS technology is an ideal ﬁrst step into the world of new functionality offered by Parker’s advanced load sensing technologies.TYPICAL APPLICATIONS: REFUSE VEHICLES • SKIP LOADERS • AGRICULTURAL MA CHINES • MEDIUM DUTY WHEEL LOADERS • PISTE MACHINES • FORK LIFTS • FORESTRY MACHINES • ETC.Often when designing mobile hydraulic systems, cost considerations override desired performance, functionality and ergonomics. A high-tech load sensing system would be better in many ways, but the budget just won’t stretch that far.That is when Parker’s new P70LS valve comes to the rescue. Based on a proven, economical, open centre thoroughbred technology, it enables many of the advantages of a load sensing system at a fraction of the cost.Load sensing advantages on a budgetWithout separate compensator, the P70LS achieves simultaneous function operation capabilities through our extensive spool design know-how for pilotoperated valves. The P70 in its load sensing version is a top-of-the-line complement to existing open centre based machines on the market.Copy spools– avoiding micro sinkingPressure com- pensated load signal drain for faster response• Higher productivity• Load-sensing at a fraction of the cost• Based on proven open centre technology• Reduces fuel costs signiﬁcantly • Better manœuvring precision • Easy to install• M odular design – expandable and upgradeable•P erfect for sequential applications •A global product with global back-up •Simpliﬁed cirquit lay-out ��Port relief valves with quick responseModular design – expandable and upgradableRobust mainrelief valveMachined land edges for higher precisionPressure compensatedspools for better ergonomics and smoother manœuvring。

穆格(Moog) G761 -761系列流量控制伺服阀说明书

为高性能两级设计的流量控制阀，结构简单、坚固，工作可靠，使用寿命长。

2021 年 9 月哪里需要最高水平的运动控制性能和设计灵活性，哪里就能看到穆格技术。

通过协作、创新以及世界级水平的技术解决方案，我们将助您攻克最艰巨的工程难关。

穆格旨在帮助您提高机器的性能，获取超乎想象的新体验。

简介 (2)产品概述 (3)工作原理 (5)技术参数 (6)G761/-761 系列伺服阀 (6)安装图 (11)安装要求 (12)电气接线 (13)背景 (14)流量计算 (14)订货信息 (15)备件及附件 (15)相关产品 (16)关于穆格 (17)订货编码 (19)本产品样本用于为具有一定专业知识的客户提供信息和参数。

为确保获得系统功能和系统的安全性，请对照此样本仔细查看产品的适用性。

文中所述产品如有任何更改，恕不另行通知。

如果有任何疑问，请与穆格公司联系。

Moog 是穆格公司及其子公司的注册商标。

除非另有说明，文中出现的所有商标均为穆格及其子公司所有。

产品概述阀的设计　带阀芯、阀套和干式力矩马达的两级伺服阀安装型式ISO 10372-04-04-0-92P、A、B 和　X 口最大工作压力• 铝制阀体：315 bar (4,500 psi)• 钢制阀体：350 bar (5,000 psi)T 口最大工作压力210 bar (3,000 psi)先导阀喷嘴挡板阀为　35 bar/每一节流边 (500 psi ／每一节流边)时的额定流量Δp N 0.5 至 75 l/min (0.125 至　19.5 gpm)从　0 至　100% 行程的阶跃响应时间标准响应型: < 8 ms 高响应型: < 6 ms 超高响应型: < 4 ms在有潜在危险的环境中可以选用本质安全型和防爆型伺服阀。

特殊型号均经过　FM、ATEX、CSA、TIIS 和　IECEx标准认证。

详细信息请联系穆格获取。

文件文件名称说明备注穆格文件号目录G761/-761 系列基本信息注：请访问 /industrialCDL6642手册G761/-761CDS6673G761K/-761K 本质安全型系列CDS6769安装图G761/-761 1系列总体设计CB59420G761K/-761K 系列，2 组线圈CA33637G761/-761 系列流量控制伺服阀是可用作三通和四通节流型流量控制阀，用于四通阀时控制性能更好。

KROMBACH TUFSEAT Performance系列球阀技术数据表说明书

KROMBACH® TUFSEAT™Performance 系列球阀KROMBACH 公司生产的 TUFSEAT――卓越的 MSBV2KROMBACH® TUFSEAT TM Performance 系列KROMBACH® TUFSEA T™Performance 系列球阀具备重要的安全性与Performance 特点，能够满足化工和炼油市场中苛刻应用的需求。

标准设计• V 级阀座密封Performance• 温度高达 500F/ 260°C• 固体含量高达 10%• 阀球阀座上采用硬铬或镍合金涂层• 设计符合 ASME B16.34 要求• 浮球：KFO 1176（1/2" 至 6" / 150 级与 300 级）• 固定球：KFO 9176（8" 至 12" / 150 级与 300 级）高温阀设计• VI 级阀座密封Performance• 高达 800F/ 427°C• 固体含量高达 20%• 阀球和阀座上可选用镍合金、碳化铬和碳化钨涂层• 浮球：KFO1156（1/2" 至 6" / 150 级与 300 级）• 固定球：KFO 9156（8" 至 12" / 150 级与 300 级）317.117.317.2 211488144481421712941424061053640211113421S 形环A276 316L 、A276 316 Ti1.4462、41 6项目数量描述碳钢ASTM 162平行键316SS/316TiA4/1.45716" 300 级浮球设计，含关键连接项目 16171下阀杆A479 316Ti 、316SS 1.4571、1.4401A479 316Ti 181垫片PTFE/石墨/316Ti PTFE/石墨/1.4571PTFE/191阀盖A479 316Ti 、316SS 1.4571、1.4401A479 316Ti 206螺栓A193 Gr.B7 A4-70A193 Gr.B8M Cl.2216重型六角螺母A194 Gr.2H A4-70A194 Gr.8M 222螺栓A193 Gr.B7 A4-70A193 Gr.B8M Cl.2232重型六角螺母A194 Gr.2H A4-70A194 Gr.8M 241扣环不锈钢不锈钢不锈钢252密封圈石墨石墨262S 形环A276 316L1.4404A276 316L272弹簧加载的唇形密封件PTFE - 碳 + 石墨填充/ AISI 301PTFE - 碳 + 石墨填充/ 1.4310PTFE - 充282清洁环石墨石墨292波形弹簧17-7 PH 1.4568301平行键316SS/316TiA4/1.4571316ss/316Ti311六角丝堵A182 Gr.F316、A479Gr.316A4/1.4571A182 Gr.F3164148241522233013912147252627286327262521151920213118171610129282966741 67222螺栓A193 Gr.B7 A4-70232重型六角螺母A194 Gr.2H A4-70241扣环不锈钢 1.4122252密封圈石墨石墨262S 形环A182 F316L 1.4404272密封圈石墨石墨292碟形弹簧A286 1.4980302平行键316SS/316Ti A4/1.4571311六角丝堵A182 Gr.F316、A479 Gr.316A4/1.457134308681656484028704 8685870587052925262763627262529521110131212019181716430148152223247141310根据最大压差下的清洁液体来确定齿轮尺寸。

安全阀校验委托单

排放压力出厂编号出厂日期
的设备运行参数真实有效，对以上提供的数据的真实性负责。委托单位经办人：年备注：月日
安全阀校验委托单
使用单位单位地址安全阀制造单位单位联系人安全阀型号安全阀公称通径（mm）安全阀类型整定压力安全阀设备位号安全阀安装位置王玥 1E2HTOLM0110B-SM 25x50 □弹簧式 1 Mpa 上海埃金科工程建设服务有限公司上海化学工业区目华路107号北京航天石化技术装备工程公司联系电话工作介质流道直径（mm） □重锤式 □先导式 67254076 水 14 □波纹管 ≤1.1MPa 12-10928 2012年10

ZSFU预作用报警阀组——上海穆科阀门有限公司

ZSFU型预作用装置（ZSFU型预作用报警阀组）
预作用报警阀组是一种能实现火灾初期报警和自动灭火的固定防火系统，火灾探测部分能及时发出火灾报警，随即打开雨淋阀，压力水迅速充满管网，当温度继续上升，洒水喷头动作开始喷水，该系统克服了湿式和干式两种系统的缺点，兼容了两者的优点，具有报警早、喷水快、功能全和适用范围广的特点。

能够在喷头喷水动作前发出火警警报，使得一般不允许轻易用水的场所如贵重物品贮藏库、稀有真本藏书的图书馆、档案室、电脑室等场所都采用这种灭火系统。

许多火患在未形成动用喷头灭火以前，便被值班人员处理了，避免了遭受大面积的水渍损失。

预作用系统工作原理图
主要技术参数
预作用系统示意图。

全启式安全阀工作原理

全启式安全阀工作原理
全启式安全阀是一种常见的安全装置，用于防止压力容器或管道系统中的压力超过安全允许值，保证设备和人员的安全。

它的工作原理是基于流体的力学原理和密封装置的设计。

全启式安全阀通常由阀体、阀瓣、弹簧和密封圈等部件组成。

当系统中的压力超过设定值时，通过压力传感器或其他监测装置将信号传递给阀体。

阀体内部的弹簧会受到压力作用而产生弹力，将阀瓣向上推开，从而打开阀门。

当阀门打开时，超过设定压力的流体会通过阀体的出口进入系统外，从而减轻系统的压力。

同时，阀体内的压力也会下降，使得阀瓣由弹簧的作用下恢复原位。

一旦系统压力降低到设定范围内，阀瓣会重新关闭，停止流体的流出。

为了保证全启式安全阀的密封性能，阀瓣与阀座之间通常有一个密封圈。

在阀门关闭时，密封圈能够有效地防止流体泄漏，确保系统能够正常工作。

在阀门打开时，密封圈则起到导向流体的作用，确保流体能够按照正确的路径流出阀体。

总之，全启式安全阀的工作原理主要包括通过压力传感器感知系统压力、弹簧产生弹力将阀瓣打开、流体通过阀体流出系统、阀瓣恢复原位并关闭阀门，从而实现对系统压力的控制和调节。

弹簧微起式安全阀规格型号及参数

弹簧微起式安全阀规格型号及参数全文共四篇示例，供读者参考第一篇示例：弹簧微起式安全阀是一种常用的压力释放装置，广泛应用于石油、化工、制药、食品等领域。

它能够在管路系统中起到保护作用，当系统内部压力超过设定值时，安全阀会自动打开释放压力，避免管路爆炸或设备损坏。

本文将介绍弹簧微起式安全阀的规格型号及参数，希望能帮助您更好地了解和选择适合的产品。

弹簧微起式安全阀的规格型号通常由以下几个方面来表示：1. 阀体材质：弹簧微起式安全阀的阀体主要由铸铁、碳钢、不锈钢等材质制成。

不同的材质具有不同的防腐蚀性能和耐压能力，在选择时需要根据具体的工况来确定。

2. 排放压力范围：弹簧微起式安全阀的排放压力通常在0.1MPa至40MPa之间，可以根据系统的工作压力需求来选择合适的排放压力范围。

3. 安装方式：弹簧微起式安全阀有垂直安装和水平安装两种方式，需要根据管路系统的布局来选择合适的安装方式。

4. 连接方式：弹簧微起式安全阀的连接方式通常包括法兰连接、螺纹连接、焊接连接等，需要根据管路系统的接口类型来选择合适的连接方式。

5. 其他参数：包括阀门口径、开启形式（强弱动力式、弹簧复位式）、温度范围等参数，也是选择弹簧微起式安全阀时需要考虑的因素。

弹簧微起式安全阀还有一些特殊的规格型号，如带座式安全阀、直通式安全阀、角式安全阀等，可以根据具体的工况和需求选择适合的产品。

在选型时，除了以上提到的规格型号外，还需要注意以下几点：1. 关注产品的质量和品牌：选择知名品牌和具有生产资质的厂家生产的产品，以确保产品的质量和性能。

2. 了解产品的使用环境和工况：在选型时需要考虑产品的使用环境（如温度、介质等）和工况（如压力、流量等），以确保产品能够正常工作。

3. 注意产品的安装和维护：安全阀的正确安装和定期维护对其性能和寿命至关重要，需要按照产品说明书进行操作。

弹簧微起式安全阀的规格型号及参数是选择合适产品的重要依据，在选型时需要综合考虑产品的性能、质量、安装方式等因素，以确保产品能够正常工作并发挥最佳的安全保护作用。