Zhejiang Naibang Valve Co.,Ltd
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Products

Check Valve

Soft Seat Wafer Double Disc Check Valve

Soft Seat Wafer Double Disc 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

Soft Seat Wafer Double Disc Check Valve

Overview

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.

An important concept in check valves is the cracking pressure which is the minimum upstream pressure at which the valve will operate. Typically the check valve is designed for and can therefore be specified for a specific cracking pressure.


Products Description

Nominal diameter 

 1.5" - 48"(DN40 - DN1200)

Pressure range

150LB - 1500LB (PN16 - PN420)

Temperature

-196℃ - 560℃

Material

A105,LF2,F11,F22,F304,F316,F304L,F316L

Connection

Socket  welding or inner screwed

Feature

Full  bore or reduced bore, B.B or W.B or pressure seal bonnet, through way, OS&Y

Actuator

Hand  wheel

Application

Oil and  gas pipeline
  Drainage system
  Chemical Plant


Main Parameter Specification

Inspection and test: API598, JB/T9092;

Design and manufacture: API594, API 6D, JB/TB8937;

Face to face and end to end: API594, API6D, DIN3202, JB/T8937;
Pressure-temperature rating: ASME B16.34, DIN2410, GB/T9124, HG20625, SH3406, JB/T74.




Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of soft seat wafer double disc 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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