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)
Class 150 - 1500
(PN16 - PN150)
-196℃ - +560℃
Water, Steam, Oil products, Nitric acid, Acetic acid
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)
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