Apollo 19 Series Safety Relief Valves

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ASME Sections I & VIII capacity certified safety valve for overpressure protection of steam power boilers, pressure piping systems, pressure vessels, piping and similar equipment. Suitable for steam, air and non-hazardous gases.


  • ASME Section I & VIII Certified Capacities
  • 5 – 300 psig Set Pressures @ -60°F min / 406°F max
  • 1/2” – 2-1/2” Inlet Connections Available
  • Stainless Steel Wetted Trim Standard
  • PFA and Metal Seat Styles Available
  • Warranted by Apollo for 5 years


  • ASME Section I Power Boilers
  • ASME Section VIII Div 1 Pressure Vessels
  • Canadian Registration Number 0G8547.5C
  • Pressure Equipment Directive 2014/68/EU (PED)

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Additional information

Model / Size

19KFEK165A 1.00" x 1.1/4", 19KGFK165A 1.1/4" x 1.1/2", 19KJHK55A 2.00 x 2.1/2"


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