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Wenzhou Goldtop Valve Co.LTD
Gold top valve located in Oubei Town, Wenzhou, China,where can make all kinds of precision balls,including top entry,metal seat and V type balls.On this base,our products range of floating,trunnion
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Rf Flange Bolt Bonnet Bs1868 Swing Check Valve Ductile Iron

Wenzhou Goldtop Valve Co.LTD

Rf Flange Bolt Bonnet Bs1868 Swing Check Valve Ductile Iron

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Brand Name : GTV

Model Number : D41H

Certification : 609

Place of Origin : CHINA

MOQ : 1

Payment Terms : T/T, L/C

Supply Ability : 1+PCS+WEEKS

Delivery Time : 20DAYS

Packaging Details : WOODEN BOX

Port size : Standard, DN50-DN300, DN32-DN2400(NPS1 1/4-NPS96), DN 50-DN 600, DN80

Pressure : Low Pressure, Medium Pressure, 16, PN10/16;125#/150#, PN6/10/16

Temperature of media : Medium Temperature, Normal Temperature, Low Temperature, High Temperature, -20-+200

Body material : Ductile Iron, WCB, CF8, Cast iron, CI / DI / SS / CS for butterfly valve

Connection : wafer, Flange Ends, Lug, Clamp, U-Section

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Check valves (Non Return Valve ) are used to prevent reverse flow. The design of check valves is very simple . A hinged door is placed inside the Swing Check Valve body . With the pressure coming upstream the door is held open; when pressure increases on the downstream side, it forces the door to valve close, stopping any back flow. These valves are most often used to protect rotating equipment such as pumps or turbines from the effects of flow reversal.


-Bolted Cover , Swing type Disc

-Disc Shaft does not penetrate body

-Durable one-piece disc to withstand the severe shock in the process of working and ground & lapped to a mirror finish .

-All parts are accessible from top for easy servicing

-Optional threaded or welded seat

-Optional counter weight device

-Performing in vertical or horizontal line

Production Range:

Size: NPS 2”~ 60” , DN50 ~ DN1500

Pressure: Class 150-2500 LB , PN 10 ~ 420

END Connection: Flange , BW

Design Standard: API 6D , BS1868 , DIN3356

Face to Face Dimension : ASME B16.10 , DIN3202 F6 /F1/ F2

Connection Dimensions: ASME B 16.5 , ASME B16.47 , ASME B16.25 , DIN2543-2547

Body Material: Carbon Steel , Stainless Steel , Duplex Stainless Steel , Special Alloy

Design Features

Design standard as per: BS1868,ASME B16.34, GB/T 12236.

Compact and reasonable product structure, reliable tightness and good performance;

Smooth fluid passageway and small fluid resistance;

Swing type disc.

Can be designed with a Damping Cylinder.

Rapid closing and flexible actions of the valve disc .

Small closing impact, water hammer is not liable to be generated.

Smooth fluid passageway and small fluid resistance.


GOldtop is your trusted source for the high quality and durable bolted cover api 6d bs1868 swing check valve made in China. As one of the leading and experienced valve manufacturers and suppliers in China, we are equipped with a professional factory at your service.

Product Tags:

Bs1868 Swing Check Valve


Rf Flange Swing Check Valve


Ductile Iron Swing Check Valve

Wholesale Rf Flange Bolt Bonnet Bs1868 Swing Check Valve Ductile Iron from china suppliers

Rf Flange Bolt Bonnet Bs1868 Swing Check Valve Ductile Iron Images

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