Silent check valve

1. PRODUCT PROFILE

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).

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!

Anhui Prosper Flow Technology Co., Ltd. is located in Tongling City, Anhui Province, a famous ductile iron valve production base   in China.Such as the Giant AVK Valve and TALIS Spain,who all buy castings here.
This is a manufacturer of production and sales of valves and fittings. It has import and export license. Prosper flow has a high-quality professional team, and the team's core personnel have more than 10 years of experience in the valve industry. With extensive experience and continuous development and efforts, we understand the international standards and strict export quality requirements of ductile iron valves. We provide OEM services for the world-famous valve companies. Our valves cover British Standard (BS), German Standard (DIN), American Standard (AWWA), Australian Standard (AS), South African Standard (SABS) and National Standard (GB). Now it has its own valve logo ‘ZW’. We have won the favor of the market and customers with advanced management and technology, high quality products and excellent service.