蝶阀止回阀样本-老版
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Huihua Valve Industry Co.
Huihua Valve Industry Co.20
C10
°ÙTechnical Data
Size
Working Pressure
Face to Face
Flange Drilling
Inspection and Test
DN40-DN800
PN10/PN16
DIN3202-K3
ANSI B16.1 Class 125,EN1092-PN10/PN16 *
API598
*All available Flange drilling kindly refer to the attached Flange Drilling Dimensions.
°ÙProduct Features:
Wafer body style fits between FF or RF flanges.
Upper and lower PTFE thrust washers
Resilient Buna-N or EPDM seat.
Dual Plate Valves give maximum strength with minimum opening time.
Torsion springs assist valve closure, preventing flow reversal .
Thrust washers reduce friction and wear of valve plate hinges.
°ÙMaterial of Construction
Parts
1
2
3
4
5
6
7
8
Description
Body
Disc
Shaft
Spring
Washer
Seat
Gasket
Hex Nut
Material
Cast Iron
Stainless Steel
Stainless Steel
Stainless Steel
PTFE
EPDM
PTFE
Cast Steel
Specification
A126B
A351 CF8M
A351 CF8M
AISI 316
AISI 316
A194 2H
*
*
*
*
*
*
*
*
*Other material request kindly refer to Bill of MainMaterials of Hiwa.
*Other available Flange drilling kindly refer to the attached Flange Drilling Dimensions.
°ÙDimensions
Hiwa Products specifications in this
catalogues are provided for reference
only. F o r p r e c i s e m e a s u r e m e n t s,
please contact Hiwa Technical Service,
Hiwa reserve the r i g h t t o change or
modify product design, construction,
specifications, or mater ials without
prior notice and without incurring any
obligation to make such changes and
mo d i f i c a t i o n s o n H i w a p r o d u c t s
previously or subsequently sold.
Huihua Valve Industry Co.