ValPro swing check steel valves offer dependable service as backflow prevention for steam, air, gas, oil, oil vapor, and high-pressure installations. Bolted bonnet for low to medium pressures, whereas pressure seal bonnet is recommended for the highest pressure classes. Delivered in a wide range of carbon and stainless steel materials. Additionally, these valves can be manufactured in non-ferrous alloys such as aluminum bronze, etc. They are available in the standard API trims, or others as per client specification.
Manufacturing Range
- Sizes DN 2″ to DN 36″
- Class 150# to Class 2500#
Design Features
- RF, RTJ, or BW
- Bolted or Pressure Seal Bonnet
- Welded or Threaded Seat Rings
Design Standards
- Design & manufacture according to API 6D, BS 1868
- Face-to-face according to ASME B16.10
- End Connection according to ASME B16.5 (RF & RTJ), ASME B16.25 (BW)
- Test & Inspection according to API 598
- Also available per NACE MR-0175, NACE MR-0103
