API609 Wafer Butterfly Valve Product Information
API609 wafer butterfly valve is one type of ANSI standard butterfly valve, which is in need of big quantity, which is mounted between two matching flanges of the piping. According to actual piping conditions, wafer type butterfly valve can be manufactured according to different flanges standards, such as ASME B16.1, ASME B16.5. API 609 A wafer butterfly valve can be mounted on the piping end as exhaust valve. Flowspec Luokai can manufacture the API609 wafer butterfly valve with sizes of 2”~48” (DN50~1200mm). Welcome to contact us for detailed information and best quotes if you have any questions or inquiries.
1. FEATURES
- Simple and compact construction
- Small in size and light in weight
- Quick 90° on-off operation, low torque
- Good sealing capability, no leakage
3. STANDARDS
- Design & manufacturing: API 609
- Face to face: API609
- Matching flanges: ANSI B16.1, ANSI B16.5
- Top flange: ISO 5211
- Inspection & testing: API598
2. TECHNICAL SPECIFICATIONS
- 125LB / 150LB / 150PSI / 200PSI
- Size: 2”~48” (DN50~1200mm)
- Materials: cast iron A126 B (GG25), ductile iron A536 65-45-12 (GGG40), steel A216 WCB, stainless steel 304(CF8), stainless steel 316(CF8M), bronze B148 C954
- Applicable medium: water, sewage, sea water, air, corrosive liquids
- Applicable temperature: -10℃~+150℃ (higher temperature is available upon request)
4. APPLICATIONS
- Water works, water projects
- Environment protection
- Public facilities
- Power plant
- Building industry, real estate
- Petroleum, chemical industry
- Steel work, metallurgy
- Paper plant
- 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


