Cyrus Shank 800QR OP-DS-275 Dual Assembly Without Unions, 1/2", 3/4", Stainless Steel

This new generation valve allows the piping to remain in place, while only the insert is replaced. This makes replacement of the valves faster and less costly than the standard valve. The ASME certified slope of 0.216 yields, for example, a capacity of 4.8 lbs. per minute of air @ 250# set pressure. Stainless steel housing for durability and performance.

Key Features:

• National Board Certification #:   51163
• Set Pressure Range:      50-400 PSI in 25 PSI  increments.
  • Special Settings can be made at no extra charge and typically takes 1-2 extra days;
• Each valve undergoes 3 separate test sequences for set pressures and seals, and then are lock-wired for security.
• All Cyrus Shank relief valves are manufactured in accordance with ASME Boiler and Pressure Vessel Code Section VIII Division I and stamped with the ASME Certification Mark with UV Designator.
• All Cyrus Shank relief valve capacities are certified by the National Board of Boiler and Pressure Vessel Inspectors and stamped with the NB Certification Mark