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...
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.
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
End Connection: RF, RTJ, BW
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.
Design & Manufacture: API 598, 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
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