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Sea Water Service Wafer Check Valve

Sea Water Service Wafer Check Valve

Structural Feature
1. Short structural length, only 1/4-1/8 of that of traditional flanged check valve;
2. Low volume,light weight, only 1/4-1/20 of those of traditional flanged check valve;
3. Quick valve disc closedown, low water hammer pressure;
4. 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.

Product Range

Nominal diameter: 2" ~ 24" (DN15 ~ DN600)

Pressure range: Class 150 ~ Class 900 (PN16 ~ PN150)

Working temperature: -196℃ ~ +560℃

Body material: Carbon steel, Stainless steel, Alloy steel, Bronze

 Connection: RF, RTJ, BW

Structure Performance

Structure length is short. 

Small volume, light weight. 

Long using life and high reliability.

Unobstructed channel, small fluid resistance. 

Action is sensitive, sealed performance is good. 

Simple and compact structure, attractive appearance. 


-Quick delivery time 

-Competitive price 

-Professional staff 

-High quity items 

-Experienced in doing bussness with many big customers .


Design & Manufacture: API 594, API 6D

Face-to-face API 594, API 6D, DIN 3202

Flange end: DIN2543-2548, API605, ASME B 16.47, ANSI B 16.5

Inspection and test: API 598

Special: NACE MR-01-75

We welcome all the world customers to contact us for more cooperation.

With our years of technical knowledge and experience, we assure you,

Naibang will be one of your best parters in China.

 If you are looking for good quity items ,you can contact us .

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