description
Silent check valve is also called globe type check valve or nozzle check valve, which can close without water hammer. Silent check valves are designed to react to the high deceleration rates by closing very quickly, prior to the reverse velocity reaching damaging levels. Globe type check valve is used widely in where forward flow can turn into reverse flow quickly. Prosper Flow design and manufacture the silent check valve according to BS5153 with sizes of 2″~12″ (DN50~300mm).
Introduction to DI silent check valve
1. FEATURES
· Non-slam closure
· Low pressure loss
· Friction-free valve disc guiding
· Very short face-to-face length
· Metal sealing
· Low weight
· Maintenance free
2. STANDARD
· Design & manufacturing: BS5153
· Face to face: EN558-1
· Flanged ends: EN1092-2, ASME B16.1/B16.42, AS4087
· Inspection & testing: API598 / EN12266
3. 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℃
4.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!
