Description
SV7 safety valves for steam and air applications
| Type | Product | Sizes | Set Pressure Range | Body Material | Standards | Approvals |
| Steam and Air | SV73 and SV74 semi-nozzle ASME safety valve | 1½” X 2½” to 6″ X 8″, orifice sizes J to R | *5 to 300 psig | SV73: Cast iron
SV74: Cast steel |
ASME I, ASME VIII and API 526 (SV74) | National Board |
Spirax Sarco’s SV7 safety valve series guards against excess pressure across a broad spectrum of industrial steam and air applications, including fired and unfired pressure vessels, steam systems, heat exchangers, condensate return systems, boilers, generators, and downstream pressure reducing valves and air systems. Constructed of cast iron or cast steel with stainless steel trim, the valves have a modern design, and come in a wide range of inlet
sizes and body materials. They are approved by the National Board and conform to Sections I and VIII of the ASME boiler and pressure vessel code.
Specifications :
• 8 orifices – 13 sizes of piping options
• Top guided seating and discharge
• Full nozzle; high capacity levels
• Temperatures to 406ºF
• Optional Tungsten Spring for high temperature applications
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