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

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.