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API594 Wafer Check Valve Descriptions
API594 wafer check valve is one type of double plate check valve with two torsion springs added to each of pair valve plates, which close the plates quickly and automatically, preventing the mediums from flowing back. API594 wafer check valve can be mounted between the two pipes in both horizontal and vertical directions. Flowspec Luokai can manufacture the API594 wafer check valve with the face to face dimensions according to API594 with dimensions of 2”~24” (DN50~600mm). 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
- The quick action prevents of medium back flow
- Short face to face and good rigidity
- Easy installation, can be mounted horizontally and vertically
- This valve is tightly sealed, without leakage
- Safe and reliable operation, high interference-resistance
3. STANDARDS
- Design & manufacturing: API594
- Face to face: API594
- Matching flanges: ANSI B16.1, ANSI B16.5
- Inspection & testing: API598
2. TECHNICAL SPECIFICATIONS
- 125LB / 150LB / 150PSI / 200PSI
- Size: 2”~24” (DN50~600mm)
- Materials: cast iron A126 B (GG25), ductile iron A536 65-45-12 (GGG50), DIN1691, DIN1693, BS EN1561, BS EN1563
- Applicable medium: water, sewage, sea water, air, steam, oils, food, corrosive liquids
- Applicable temperature: -15℃~+150℃ (higher temperature is available upon request)
4. APPLICATIONS
- Water works, water projects
- Environment protection
- Public facilities
- Building industry, real estate
- Petroleum, chemical industry
- Steel work, metallurgy
- Food & beverage
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