机械专用英文缩写

PSIG Pounds Per Square Inch Gage磅/
PT Point点
PTFE *Polytetrafluoroethylene聚四氟乙烯
PT.NO Part No.件号
PV Plug Valve旋塞阀
PVC *Poly Vinyl Chloride聚氯乙烯
Q
QTY *Quantity数量
I.S.B.L Inside Battery Limit装置边界内恻
ISNS Inside screw & Non-rising Stem内螺纹非升杆
ISRS Inside screw & Rising stem内螺纹升杆
J
JT Joint接头
JS Jack Screw顶开（起）螺栓
L
LC Locked Closed在关闭状态下锁定
ORF Orifice孔板
ORIENT Orientation方位
OS & Y Outside Screw and Yoke外螺纹阀杆和阀轭
OSNB Outside Screw Non-Bonnet外螺纹无阀盖
P
P Plug堵头
PAP Piping Arrangement Plan管道布置平面图
PB Pressure Seal Bonnet压力密封的阀盖
I
ID *Inside Diameter内径
IN *Inch英寸
INS Insulation隔热
INST Instrument仪表
INV Invert (inside bottom of pipe)管子内底
IPS Iron Pipe size铁管尺寸
ISO Isometric Drawing周测图（空视图）
BV Butterfly valve蝶阀
BWG * Birmingham Wire Gage伯明翰线规
BW Butt Weld对焊
C
C Cap管帽
C-C Center to Center中至中
C-E Center to End中至端面
C-F Center to Face中至面
CH-OP Chain Operated链条操纵的
MF Male and Female凸和凹
MFG Manufacture制造
MF *Manufacture制造厂
MH Manhole人孔
MI Malleable Iron可锻铸铁
MIN *Minimum最小
MJ Mechanical Joint机械接头
M.L Match Line连续线
MSS * Manufacturers Standardization Society of the Valve and
BET Both Ends Threaded两端带螺纹
BL Battery Limit装置区边界
BF Blind Flange法兰盖
BLD Blind盲板
BLDG *Buil****建筑物
BM Bill Of Material材料表
BOP Bottom Of Pipe管底
B-P Beveled End —Plain End坡口端.平端
APPROX *Approximate大约，近似的
ASB*Asbestos石棉
ASME *American Society Of Testing Material美国机械工程师协会
ASSY *Assembly装配，组装
ASTM *American Society OfTesting Material美国材料实验协会
LO Locked Open在开启状态下锁定
L.P. Low Pressure低压
LR Long Radius长半径
LRE Long Radius Elbow长半径弯头
LTG Large Tongue & Groove大椎槽
M
MATL Material材料
MAX Maximum最大
MB Machine Bolt机器螺栓（单头）
Fittings Industry, Inc.美国阀门和管件制造商标准化协会
MTO Material take-off材料统计
MW Minimum Wall最小壁厚
M.W. Mineral Wool矿（物）棉
N
N *North北
NB Nominal Bore公称孔径
N.B. Non-Bonnet无阀盖
NPT *American National Taper美国锥管螺纹
Pipe Thread
NS Nominal Size公称直径
NV Needle Valve针形阀
O
OD *Outside Diameter外径
OET One end Threaded一端带螺纹
OR Outside Radius外半径
机械专用英文缩写
A*Anchor固定
ABS *Absolute绝对的
AISI *American Iron andSteel Institute美国钢铁学会
ANSI *American NationalStandards Institute美国国家标准学会
API *American Petroleum Institute美国石油学会
GEAR OP Gear Operated齿轮传动的
GMAW Gas Metal Arc Wel****金属极惰气体保护焊
GSKT Gasket垫片
GTAW (Inert)Gas Tungsten Arc Wel****惰性气体保护钨极电弧焊
GV Gate Valve闸阀
H
H Hanger吊架
HC Hose Connection软管接头
FL Floor楼面
FLEX TUBE Flexible Tube挠性管
FLG Flange法兰
FLGD Flanged法兰式的
FLGF Flanged Face法兰面
FOB Flat On Bottom底面平
FOT Flat On Top顶面平
FP Fix Point固定点
FS Forged Steel锻钢
RJ Ring Joint环垫接头
RO Restriction Orifice限流孔板
RPM *Revolutions Per Minute转/分
RPS *Revolutions Per Second转/秒
RS Resting Support支承架，滑动架
RTJ Ring Type Joint（见RJ）
DMF Double Male And Female双重凹凸
DN *Double Male And Female公称直径
DN Down下
DR Drain排液
DS Directional Stop定向限为架
DWG *Drawing图
E
E *East东
EC External Coating外面涂防腐层
ECC Eccentric偏心
P-B Plain End –Bevel End平端—坡口端
PC Pressure Seal Cap压力密封的阀帽
P.C.D. Pitch Circle Diameter节圆直径
PE Plain End (not beveled)平端（无坡口）
PF Platform平台
PID Piping & Instrument Diagram管道及仪表流程图
B-B Beveled End-Beveled End两端为坡口端
BC Bolt Circle螺栓中心圆
B.C Bolted Cover(cap)螺栓连接的阀兰盖（帽）
BE Beveled End (for wel****)坡口（焊接用）
B.E Bell End承口
BEP Both Ends Plain两端平
FTF Fitting To Fitting管件直连
FTG Fitting管件
FURND Furnished提供的，装设的
FW Field Weld现伤焊
G
G Guide导向
GA *Gage表，表压，规（线规）
GALV *Galvanize镀锌
GL Ground Level地面
GLV Globe Valve截止阀
CH.PL Checkered Plate花纹钢管
C.I *Cast Iron铸铁
CL *Class英制压力等级，等级，种类
CLEAR Clearance间隙
COD Continued on Drawing接续图
COL *Column柱，塔
CONC Concentric同心的
CONN Connection连接，接口
H.CPLG Half Coupling半节管接头
HDR Header总管
HEX *Hexagon六角形
HF Hard Alloy Face on阀内件（阀心）为
Valve Trim硬质合金密封面
HH Hand Pole手孔
HOR Horizontal水平的
H.P *High Pressure高压
HS Hose Station软管
C.S.O. Car Seal Open在开启状态下封住
CUST Customer客
C.V Check Valve止回阀
D
DEG *Degree度
DF Drain funnel排液漏斗
DIA *Diameter直径
DIM *Dim百度文库nsion尺寸
DISCH *Discharge出口，排出
Diaphragm VELVE隔膜阀
EW Eye Washer & Shower洗眼器及淋浴器
EXP.JT Expansion Joint膨胀节
F
FDN Foundation基础
FF Flat Faced Or Full Faced全平面；满平面
F-F Face To Face面至面
FGW Fusion Gas Wel****气熔焊
FIG *Figure图
LEP Large end plain大端为平的
LET Large end Threaded大端带螺纹
LG Long长
LGF Lens Gasket Face透镜垫连接面
L.H.THD Left Hand Thread左螺纹
LIFT Lift Type升降式
LJ Lap Joint搭接
LJF Lap Joint Flange松套法兰
ATM *Atmosphere大气压
AWG *American Wire Gage美国线规
AWS *American Wel**** Society美国焊接协会
AWWA *American Water WorksAssociation美国水工协会
B
BB Bolted Bonnet栓柱连接的阀盖
BB By Buyer买方供货
EFW Electric Fusion Welded电容焊的
EL(ELEV) *Elevation标高；立面
ELL Elbow弯头
EQIOP Equipment设备，装置
EQUIV Equivalent相当的
E.R. Eccentric Reducer偏心异经管
ERW Electric Resistance Welded电阻焊的
RV Relief Valve安全泄液阀
S
S *South南
S Spring弹簧（管架用）
SAW (Automatic)Submerged Arc Wel****自动埋弧焊
SB Stud Bolt双头螺栓
SB Screwed Bonnet螺纹阀盖
PN *Nominal Pressure公称压力
PN Plant North工厂北向
POS point of Support支承点
P-P Plain End—Plain End两端为平端
PREP Preparation加工准备
PSIA*Pounds Per Square InchAbsolute磅/
CONT *Continue连续
CONT.V. Control Valve控制阀
CPLG Coupling管接头，连轴节
C.R. Concentric Reducer同心异径管
C.S. *Carbon Steel碳钢
C.S. Cold Spring冷紧
C.S.C. Car Seal Close在关闭状态下封住
NC Normally Closed常闭
NIP Nipple短管
NO Normally Open;常开
*Number号；数量
NO INS No Insulation不隔热
NOM Nominal公称的；额定的
NOZ Nozzle管口
NPS Nominal Pipe Size公称管径
NPSH Net Positive Suction Head净正吸入压头
R
R *Radius半径
RED Reducer异径管
REF Reference参考
REINF Reinforce加强
REQD Required需要；申请
REV *Revision修改
RF Raised Face凸面
RG Ring Gasket环形垫片
R.H.THD Right Hand Thread右螺旋