Metal Seat Wafer Double Plate 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, Class150~2500 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.



1/2" - 32"

(DN15 - DN800)

Pressure  range:

Class 150 - 1500

(PN16 - PN150)

Working   temperature: 

-196℃ - +560℃

Suitable medium:

Water, Steam, Oil products, Nitric acid, Acetic acid

Body material:

Carbon steel, Stainless steel, Alloy steel, Bronze



Standards and Specifications:

1. Design and Manufacture:API 6D

2. Inspection and Test:API598, API600/API 6D

3. Face to Face and End to End:ASME B16.10

4. Pressure-temperature ratings:ASME B16.34

5. Wall Thickness Dimension:API 600, BS 1868

6. End Flange Dimension:ASME B16.5 (for NPS≤24, API 605)

Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of metal seat wafer double plate 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.