4 inch Rubber Seated Water Check Valve Swing Type Non Return Valve

Factory Wholesale DN50-DN400 Ductile Iron Rubber Seated Swing Check Valve PN10/PN16

1. PRODUCT PROFILE

The rubber seated swing check valve is mainly composed of three main parts, the valve body, the valve cover and the rubber valve. The rubber flap is made of steel plate, steel bar and reinforced nylon cloth, and the outer layer is made of rubber, and the valve switch life can reach 1 million times. The valve is designed with full flow area, which has the characteristics of small head loss, no accumulation of debris and gradual maintenance and so on. The valve is mainly applied to the water supply and drainage system, which can be installed at the outlet of the pump to prevent the reverse flow and water hammer from damage to the pump. The valve can also be installed on the bypass pipe of the water intake pipe to prevent water from flowing back.

2. FEATURES

· Full bore design

· BC, bolted cover

· Flexible rubber disc

· Silent valve open and close

3. 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

4. TECHNICAL SPECIFICATION

· PN10/PN16/Class 125LB/Class 150LB

· Size: 2”~16” (DN50~DN400mm)

· 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℃

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