API 594 Stainless Steel Dual Plate Wafer Check Valve

Function
Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
Flow Direction
Bidirectional
Standard
DIN
Application
Industrial Usage, Water Industrial Usage, Household Usage
Inspect & Test
API 598
Ends Connection
RF
Certificate 2
ISO9001:2008
Certificate 1
Dnv CE 0575
Pre-Temp. Rating
ASME B16.34
Characteristic
Dual Plate Check Valve
Transport Package
Sea Worthy or Air Worthy
Specification
API, ANSI, ASME, DIN, JIS, GB etc.
Trademark
VATAC or OEM
Origin
China
HS Code
84813000
Production Capacity
71000 T Per Year
Reference Price
$ 20.25 - 22.50
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Product Description

ANSI Cl150#/Cl300# Wafer/Lug/RF Dual Plate 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  

Construction is as follows:  

- 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)

 
Main Part & Materials 

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

 
Normal Pressure Rating
PN10~PN420, CLASS150~2500

Normal Size Range
DN40~DN1000, 1 1/2"~40" 

 

Check Valve

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