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Rubber Seated Flapper Check Valve

DESCRIPTION

Flapper check valve is also called flexible check valve, whose disc is rubber coated. Rubber disc check valve is mainly made up of body, cover and disc, and the disc adopts steel plate coated with rubber, its open and close service life could be up to one million times. Flapper check valve adopts full bore design, which makes it have small head loss, not easy accumulate foreign matters, but easy for maintenance. Flexible check valve is applicable to water supply and drainage system, which can be mounted on the pump outlet to prevent backflow and water hammer. Rubber disc check valve can be also mounted on the bypass pipe of reservoir inlet and outlet pipe to prevent the water in the reservoir flow back to water supply system. Prosper Flow can design and manufacture the flapper check valve according to BS5153 and MSS SP-71 with sizes of 2”~24” (DN50~DN600mm).

Flapper check valve:Anhui Prosper Flow Technology Co.,Ltd.

1. FEATURES

· Full bore design

· BC, bolted cover

· Flexible rubber disc

· Silent valve open and close

2. STANDARD

· Design & manufacturing: BS5153

· Face to face: BS5153, ASME B16.10, DIN F6

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

· Inspection & testing: API598 / EN12266

3. TECHNICAL SPECIFICATION

· PN10/PN16/Class 125LB/Class 150LB

· Size: 2”~24” (DN50~DN600mm)

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

· Working pressure: 10bar, 16bar

· Applicable medium: water, sewage, waste water

· Applicable temperature: 0℃~+80℃

https://www.prospervalves.com/products/

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

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Anhui Prosper Flow Technology Co., Ltd is a high-tech enterprise specializing in R&D, production and sales of valves and fittings.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 Gate Valve, Check Valve, Butterfly Valve, Air Valve and Water Meter.