Sea Water Service Wafer 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...

Product Details


Check Valve is applicable for various pipelines with nominal pressure of PN1.0MPa - 42.0 MPa, Class 150 - 2500 and nominal diameter of DN15~1200mm, NPS1/2-48 and working temperature of -196 - 540℃ to be used for protecting from medium back flowing. The different materials selection can apply to the medium involving water, steam, oils, nitric acid, strong oxidizing medium and urea etc.


1. Nominal  diameter: 2" - 24"  (DN50 - DN600)

2. Pressure range: Class 150 - 900  (PN16 - PN150)

3. Working  temperature: -196℃ - +560℃

4. Body material: Carbon steel, Stainless steel, Alloy steel, Bronze, etc

5. End connection: RF, RTJ, RW

Structural Feature

Short structural length;

Low volume, light weight;

Long service life and good reliability;

Narrow valve travel and small closedown impact;

Smooth flow passageway and small fluid resistance;

Quick valve disc closedown, low water hammer pressure;

Integrated structure, simple and compact, in beautiful shape.

Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of sea water service wafer 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.