Zhejiang Naibang Valve Co.,Ltd
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Products

Check Valve

Double Flanged End Dual Check Valve

Double Flanged End Dual Check Valve

Structural Feature Short structural length,only 1/4~1/8 of that of traditional flanged check valve; Low volume,light weight,only 1/4~1/20 of those of traditional flanged check valve; Quick valve disc closedown,low water hammer pressure; Applicable for and easily installed for vertical or...

Products Details

Double Flanged End Dual Check Valve

Overview

A check valve,  reflux valve, or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction.

Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. There are various types of check valves used in a wide variety of applications. Check valves are often part of common household items. Although they are available in a wide range of sizes and costs, check valves generally are very small, simple, or inexpensive. Check valves work automatically and most are not controlled by a person or any external control; accordingly, most do not have any valve handle or stem. The bodies (external shells) of most check valves are made of plastic or metal.


Technical Data

Size: DN40 - DN600   PN1.0 - 1.6MPa

Body: Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel

Stem: Stainless Steel

Spring: Stainless Steel

Seat: EPDM, NBR, Stainless Steel

Flange Connection: DIN, ANSI, BS, JIS

Disc: Ductile Iron with Nickel Coating, Ductile Iron with Nylon Coating, Stainless Stee 304/316l

 

Product Features

Resilient Buna-N or EPDM Seat

Upper and lower PTFE thrust washers

Wafer body style fit between FF or RF flanges

Torsion springs assist valve closure, preventing flow reversal

Thrust washer reduce friction and wear of valve plate hinges

Dual plate valves give maximum strength with minimum opening time




Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of double flanged end dual check valve in China. If you want to buy quality product of various beautiful bags, you can get it at a cheap price from us.
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