API 594 SS304 SS316 Wafer Check Valve

Function
Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
Sealing Form
Metal Seat
Flow Direction
Unidirection
Standard
ANSI
Application
Industrial Usage, Water Industrial Usage, Household Usage
Inspect & Test
API 598
Ends Connection
Wafer
Certificate 2
ISO9001:2008
Certificate 1
Dnv CE 0575
Pre-Temp. Rating
ASME B16.34
Face to Face
API 594
Characteristic
Wafer Check Valve
Design & Manufacture
API 594, API 6D, ASME B16.34
Transport Package
Sea Worthy or Air Worthy
Specification
API, ANSI, ASME, DIN, JIS, GB etc.
Trademark
VATAC or OEM
Origin
China
HS Code
8481804090
Production Capacity
65000 T Per Year
Reference Price
$ 48.60 - 54.00
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Product Description

API 594 Cast or Forged Steel Wafer Check Valve Manufacturer 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:  

- Single Disc
- With Spring
- Swing Disc or Lift Disc
- 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 

Part Names 		Part Materials
Body A105 LF2 F22 F304 F316 F304L F316L C83600/C95800
Bonnet A105 LF2 F22 F304 F316 F304L F316L C83600/C95800
Disc/Ball/Wedge A105 LF2 F22 F304 F316 F304L F316L 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
DN15~DN1000, 1/2"~40" 

 

Check Valve

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