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Aquatrol

Aquatrol 743 Series Safety Relief Valve

AirGasLiquidSteam
Full stainless steel construction. Stainless steel nozzle, ring, disc, all internals, springs, body and bonnet. Cryogenic compatible down to -320F (-196C) and high temperature up to 800F (427C). Available with lap joint flange options.
Inlet Sizes1/2" to 3" (DN 15 to DN 80)
Pressure RatingsTo 1500 psig (103.4 bar) air/gas/liquid, 300 psig (20.7 bar) steam
MaterialsFull SS316 construction (SA351-CF8M body, SA479-316 internals)
ApprovalsASME Section VIII, CE, CRN
ConnectionFlanged & Threaded
  • Pressure vessels
  • Pumps and hydraulics
  • Tanks and storage
  • Steam systems
  • Chemical processing
  • Cryogenic applications
  • Air and gas compressors
  • Separators
  • By-pass and over-pressure protection