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Check Valve
Brand: VAHN-TECH International IncVAHN-TECH manufactures superior cast steel check valves in a variety of designs, materials, trims, sizes (2” thru 48”) and pressure classes (150 thru 2500).
Features- Check valves designed in accordance with API 6D and API 594. Swing Check Valves, Dual Plates Check Valves and Lift Check Valves available.
- Body and bonnet castings are precision machined with joint accurately machined.
- Carbon Steel, Low temperature Carbon Steel, Stainless Steel, Duplex Stainless Steel as well as nickel and exotic alloys available.
- Check valves option in accordance with API-603 only for stainless steel & nickel alloys
- Swing Check Valve with top entry design for easy maintenance.
- Check valves for Cryogenic service with gas column in accordance with BS-6364 upon request.
- Special closing system can be designed on request from Swing Check valve: slow closing or fast closing swing check valves.
- Flange dimensions in accordance with ASME B16.5 for valves up to 24” nominal diameter and ASME B16.47 for valves 28" and up.
Specifications
Design Standard
- API 6D / BS 1868
Size Range
- 2” - 36”
Flow Bore
- Full Bore / Reduce Bore
Body Style
- Bolted Bonnet
Pressure Rating
- 150 psi - 2500 psi
Working Temperature
- -196° C ~ +649° C
- -320° F ~ +1200° F
End Connection
- ANSI B16.5 - Flange