OEM Water DI Ductile Iron Silent Globe Check Valve Dn200

Low Price BS5153 DI Slient Check Valve DN50-300 Ductile Iron Flange Ends

1. PRODUCT PROFILE

The silent check valve refers to a valve that automatically opens and closes the valve flap by means of the flow of the medium itself. The valve for preventing the backflow of the medium, also called the check valve and the check valve, belongs to an automatic valve, and its main function is to prevent the medium from flowing backward. Prevent the pump and drive motor from reversing and the discharge of the container media. The check valve can also be used to supply a line in which the pressure may rise to an auxiliary system that exceeds the system pressure.Prosper Flow design and manufacture the silent check valve according to BS5153 with sizes of 2″~12″ (DN50~300mm).

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

How does a silent check valve work?

Waste lines from a sewage ejector or sump pump use a check valve to stop wastewater from flowing back into the basin. When these valves shut, they can make a thud loud enough to be heard throughout the house. ... Silent check valves are available from most plumbing suppliers. Waste lines from a sewage ejector or sump pump use a check valve to stop wastewater from flowing back into the basin. The When these valves shut, They can make a thud loud enough to be heard throughout the house. Most Silent check valves are available from plumbing suppliers. Our company produces the di Silent check valves is one of the best valve, is your choice!