Zhejiang, China
Business Type:
Manufacturer/Factory, Trading Company
Year of Establishment:
Plant Area:
1200 square meters
Management System Certification:
ISO 9001, ISO 14001, HSE, QC 080000, WRAP
Average Lead Time:
Peak season lead time: 1-3 months
Off season lead time: one month
OEM/ODM Service
Sample Available
Overseas Agent / Branch

Single Disc Wafer Check Valve, API 594 Single Disc Wafer Check Valve, Stainless Steel Single Disc Wafer Check Valve manufacturer / supplier in China, offering API 594 Single Disc Wafer Check Valve (Sandwich Valve), API 520 Full Lift/Low Lift Bronze Safety Valve (A46Y), Cast Steel Wcb/Lcb Full Lug Knife Gate Valve and so on.

Gold Member Since 2009
Audited Supplier

API 594 Single Disc Wafer Check Valve (Sandwich Valve)

Get Latest Price
Min. Order / Reference FOB Price
6 Pieces US $36/ Piece
Port: Shanghai, China
Production Capacity: 65000 T Per Year
Payment Terms: L/C, T/T, Western Union
Material: Steel
Connection Form: Wafer
Structure: Single Disc Wafer
Pressure: Low Pressure
Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
Flow Direction: Unidirection

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Basic Info

Model NO.: H74W
Standard: ANSI
Application: Industrial Usage, Water Industrial Usage, Household Usage
Characteristic: Single Disc 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: Wafer
Inspect & Test: API 598
Certificate 1: Dnv CE 0575
Certificate 2: ISO9001:2008
Certificate 3: API 6D
Certificate 4: API 600
Trademark: VATAC or OEM
Transport Package: Sea Worthy or Air Worthy
Specification: API, ANSI, ASME, DIN, JIS, GB etc.
Origin: China
HS Code: 84818010

Product Description

API 594 Single Disc Wafer Check Valve (Sandwich 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:  

- 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)

Main Part & Materials 

Part Names
Part Materials
Seat/Seat Ring13%CrSS30413%CrSS304SS316SS304LSS316LC83600/C95800
Suitable MediumW.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
DN15~DN1000, 1/2"~40" 

API 594 Single Disc Wafer Check Valve (Sandwich Valve)
API 594 Single Disc Wafer Check Valve (Sandwich Valve)
API 594 Single Disc Wafer Check Valve (Sandwich Valve)

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