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Metal Seat Wafer Check Valve

Metal Seat Wafer 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

Metal Seat Wafer Check Valve


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.

Design Standard

Design and Manufacture Stand: API 594

End to End Dimension Standard: API6D

Inspection and Test Standard: API 598

Flange End Dimension Standard: ANSI B16.5

The Advantages of Metal Seat 

1.Long service Life 

2.Strong adaptability to temperature 

3.Resistance to wear

4.Good mechanical properties 

The Advantages & Disadvantages of Soft Seat 

1.Good sealing performance , zero leakage can be achieved .

2.Short service life 

3.Poor adaptability to temperature 

4.Easy to age and wear

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