Single Wafer Check Valve Product Descriptions
Single wafer check valve is one type of wafer type swing check valve, which can be mounted on the piping end as exhaust valve.Wafer type single disc check valve is action depending on the mediums flow pressure automatically when the mediums flow back, preventing the medium from flowing back. The wafer swing check valve can be mounted onto both horizontal and vertical direction pipelines. Flowspec Luokai can manufacture the single wafer check valve in accordance with ASME B16.34 and API594. Just feel free to contact us now to get best prices. 30 years of experience. High quality. Big stock. Fast delivery.
1. FEATURES
- Small in size, light weight, compact structure, easy maintenance
- Quick action prevents of medium back flow
- Short face to face and good rigidity
- Easy installation, can be mounted horizontally and vertically
- Tightly sealed, without leakage
- Safe and reliable operation, high interference-resistance
3. STANDARDS
- Design & manufacturing: ASME B16.34 / API594
- Face to face: ASME B16.10, API594
- Matching flanges: ANSI B16.5 RF
- Inspection & testing: API598
2. TECHNICAL SPECIFICATIONS
- 150LB/300LB/600LB/900LB
- Size: 2″~60″ (DN50~1500mm)
- Materials: A216 WCB, S.S.304(CF8), S.S.316(CF8M), ductile iron (GGG40)
- Applicable medium: water, sewage, sea water, air, steam, oils, food, corrosive liquids
- Applicable temperature: -196℃~+540℃ (higher temperature is available upon request)
4. APPLICATIONS
- Oil & gas field
- Environment protection
- Public facilities
- Power plant
- Building industry, real estate
- Petroleum, chemical industry
- Steel work, metallurgy
Why Choose Flowspec Luokai
45+ Years Experience
Founded in 1978, manufacturing industrial valves for over four decades with proven reliability worldwide.
Global Certifications
ISO 9001, CE/PED, WRAS, FM, UL, API approved — compliant with international quality and safety standards.
OEM Custom Solutions
Flexible design and manufacturing per your specifications — material, size, pressure, actuation tailored to project needs.
Worldwide Delivery
Exported to 5 continents — North & South America, Europe, Middle East, Southeast Asia, and Africa.
Our Service Promise
Strict Quality Control
Every valve tested to API 598, EN 12266 before shipment
Timely Global Delivery
Reliable logistics to 5 continents with secure packaging
OEM & Custom Design
Tailored material, size, pressure and actuation to your specs
Dedicated After-Sales
Technical support and service throughout product lifecycle


