VAHN-TECH manufactures superior cast steel check valves in a variety of designs, materials, trims, sizes 2” - 48” and pressure class 150 to 2500.
Features
- Check valves are designed in full compliance with API 6D / API 594. Swing Check Valves, Dual Plates Check Valves and Lift Check Valves are 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 for 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 600 / API 6D |
| Size Range | 2” – 36” |
| Flow Bore | Full Bore |
| Body Style | Bolted Bonnet Pressure Seal Bonnet |
| Pressure Rating | 150 psi- 2500 psi |
| Working Temperature | -196˚C ~ +650˚C -320˚F ~ +1200˚F |
| End Connection | ANSI B16.5 ASME B16.25 ASME B16.47 |
| Face-to-Face | ASME B16.10 |
| Test & Inspection | API 598 / API 6D |
