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Cast Iron or Stainless Steel Lug Dual Plate Wafer Check Valve Conform to API 594, API 6D, and ASME B16.34.
They are tested according to API 598, and marked as per MSS SP-25
1. Construction is as follows
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- Dual Plate - With Spring - Round, Full Lug or Double Flange - Soft or Metal Seated - Retainer or Retainer Less Design - Wafer Ends to Suit for Flanged Ends(ASME B16.5 and B16.47 A/B)
2. Main Part & Materials
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Part Names
Part Materials
Body
WCB
LCB
WC6
CF8
CF8M
CF3
CF3M
C83600/C95800
Bonnet
WCB
LCB
WC6
CF8
CF8M
CF3
CF3M
C83600/C95800
Disc/Ball/Wedge
WCB
LCB
WC6
CF8
CF8M
CF3
CF3M
C83600/C95800
Seat/Seat Ring
13%Cr
SS304
13%Cr
SS304
SS316
SS304L
SS316L
C83600/C95800
PTFE/NBR/EPDM/VITON
Packing
Graphite/PTFE
Gasket
SS304+Graphite/SS304+Graphite
Bolts/Nuts
B7/2H
L7/4
B16/4
B8/8
B8M/8M
B8/8
B8M/8M
B8M/8M
Suitable Medium
W.O.G etc.
HNO3, CH3OOH etc.
Sea Water etc.
Suitable Temperature
-29~425 °C
-46~340 °C
-46~340 °C
-196~427 °C
-196~427 °C
-196~427 °C
-196~427 °C
-29~220 °C
3. Normal Pressure Rating
PN10~PN420, CLASS150~2500
4. Normal Size Range
DN40~DN1000, 11/2"~40"
5. Pictures
Final Inspection
Shipment
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Model NO.: H71
Flow Direction: Unidirection
Standard: ANSI
Application: Industrial Usage, Water Industrial Usage, Household Usage
Characteristic: Dual Plate Wafer Check Valve
Design & Manufacture: API 594, API 6D, Asme B16.34
Pre-Temp. Rating: Asme B16.34
Face to Face: API 594
Ends Connection: Asme B16.5/16.47
Inspect & Test: API 598
Certificate 1: Dnv CE 0575
Certificate 2: ISO 9001: 2008
Certificate 3: API 600
Certificate 4: API 6D
Trademark: VATAC or OEM
Transport Package: Standard Sea Worthy
Specification: API 6D, BS1868, DIN3202, ISO
Origin: China
HS Code: 84818040
March 28, 2024