2478 Pressure Relief Valve, Totally Enclosed

The Consolidated 2478 pressure relief valve is a totally enclosed design for non-corrosive, thermal relief, and liquid service.

Product Features:

  • 1/2″ through 2-1/2″ male NPT inlet sizes
  • Inlet is equipped with a standard hexagon surface for easy wrenching

Specifications:

  • Inlet sizes — 1/2″ through 2-1/2″ threaded
  • Outlet sizes — 3/4″ through 2-1/2″ threaded
  • Orifice sizes — Six sizes: D through J
  • Pressure range — 5 psig to 300 psig
  • Temperature range — -325°F to 406°F
  • Materials — Cast bronze bonnet, brass base & trim, and PTFE soft seats are standard
  • Certification — Non-Coded
  • Blowdown — 7 – 15%
  • Back pressure limit — 10% of Set Pressure
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