Bled Steam Non-Return Duties:
Power assisted non-return valves prevent back-flow from feedheaters etc., and have an extremely rapid response and positive closing action to cope with emergencies. The valves may be actuated from any source including a pressure switch on the turbine oil system, and a feedheater water level switch.

Ratings:
ASME Class 150 to 3750
Higher on request

Sizes:
50 to 600 mm (2 to 24")
Larger on request

Materials:
Carbon Steel, Alloy Steel, Stainless Steel.