The SV73 cast iron series valves are built in conformance to Section I and VIII of the ASME Boiler and Pressure Vessel Code. They are primarily intended for use on power boilers and unfired pressure vessels where ASME Section I and VIII stamped valves are required.
Spirax Sarco Safety Valve, 1-1/2 x 2-1/2 in Nominal, FNPT, 250 psi, 406 deg F, Media: Fluid, Cast Iron Body, Stainless Steel Trim, 15.8 in H
Body Material
Cast Iron
Dimensions
15.8 in H
End Style
FNPT
Media
Fluid
Nominal Size
1-1/2 x 2-1/2 in
Pressure Rating
250 psi
Series
SV73
Temperature Rating
406 deg F
Trim Material
Stainless Steel
- Safeguard against mechanical damage to equipment and surroundings
- Safeguard against loss of product and production
- Safeguard against damage to the environment
- Safeguard against injury and loss of life
- Valve without code stamp
- Protection of steam systems downstream of pressure regulating stations, on inlet to such equipment as air coils, heat exchangers and process vessels and also for use on flash recovery vessels on condensate return systems to protect vessels
- 1.374 sq in orifice
- Air systems to protect accumulation vessels and air equipment from over pressurization, steam boilers and generators
- Maximum permitted backpressure up to 10% of set pressure
- 600 psi g tested at a maximum inlet cold hydraulic test pressure
- ANSI 250 Body design conditions
- 5 psig to 250 psig set pressure
- Approved by National Board of Boiler and Pressure Vessel Inspectors to ASME Boiler and Pressure Vessel Code Sections I and VIII
- Seat tightness is in accordance with ANSI/API STD 527-1992
- Note: SV73 safety valves are not CE marked and therefore not to be used within the EEA
- Stainless steel disc and stem
- -20 to 406 deg F temperature
- 16 548 lb/h steam, 90% of actual capacity at 3% accumulation in accordance with ASME Code, Section I