BS5153 DI Slient Check Valve Flange Ends Dn80

Chinese Factory Wholesale BS5153 DI Slient Check Valve DN50-300 Ductile Iron Flange Ends

1. PRODUCT PROFILE

Silent check valve refers to a valve that automatically opens and closes the disc depending on the flow of the medium itself to prevent the medium from flowing back. It is also called check valve, one-way valve, silence check valve, reverse flow valve, and back pressure valve.Check valve is a kind of automatic valve, its main function is to prevent the back flow of the medium, prevent the pump and drive motor from reversing, and discharge the container medium. Check valves can also be used to supply pipelines for auxiliary systems whose pressure may rise above the system pressure.

2. FEATURES

· Non-slam closure

· Low pressure loss

· Friction-free valve disc guiding

· Very short face-to-face length

· Metal sealing

· Low weight

· Maintenance free

3. STANDARD

· Design & manufacturing: BS5153

· Face to face: EN558-1

· Flanged ends: EN1092-2, ASME B16.1/B16.42, AS4087

· Inspection & testing: API598 / EN12266

4. TECHNICAL SPECIFICATION

· PN10 / PN16 / 125LB / 150LB / JIS10K / 150PSI / 200PSI

· Size: 2″~12″ (50~300mm)

· Materials: Ductile iron (GGG50, GJS500, DIN1693, BS EN1563, ASTM A536 65-45-12)

· Epoxy coating with thickness ≥ 250μm

· Working temperature: 0℃~+80℃

5. APPLICATION

· Water supply, sewage treatment industry

· Fire fighting industry

· Real estate industry

· Mining, steel industry

· Metallurgy plant, power plant

· Oil, chemical industry

· Textile, pharmaceutical industry

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BS5153 DI Slient Check Valve Flange Ends Dn80 Images