UPVC Plastic Flanged Diaphragm Valve Descriptions
UPVC plastic flanged diaphragm valve is manufactured according to HG/T2643-2010. UPVC flanged diaphragm valve is featured with high mechanical strength & tenacity, excellent anti-corrosion, good flame resistance, low cost, anti-aging & UV resistance, long service and easy installtion. UPVC plastic flanged diaphragm valve is the first choice in the anti-corrision pipes in the fields of petroleum, chlorine alkaline, chemical fiber, fuel, pesticide, light industry, water treatment. Flowspec Luokai can manufacture and supply the UPVC plastic flanged diaphragm valve with sizes of 1/2”~10”(DN15~DN250mm). Contact us today. Get the better prices. 30 years of experience. Great after-sales service.
1. FEATURES
- 3D CAD/CAE design
- High elasticity of rubber
- Excellent sealing performance
- Small resistance
3. STANDARDS
- Design & manufacturing: HG/T2643-2010
- Ends connection: flanged ends ANSI, JIS, DIN
- Inspection & testing: API598, GB/T13927
2. TECHNICAL SPECIFICATIONS
- PN6~PN10
- Size: 1/2”~10”(DN15~DN250mm)
- Materials: plastic, UPVC
- Applicable medium: water, oil, alkaline, corrosive liquids
- Applicable temperature: -20℃~+70℃
4. APPLICATIONS
- Water treatment
- Seawater desalinization
- Petroleum industry
- Pharmaceutical factory
- Fiber industry
- Fuel & oil
- Pesticide factory
- Light industry
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


