Apollo Valves 10-321 Series Safety Relief Valves

Apollo Valves 10-321 Series Safety Relief Valves ASME Section IV  for protection of small hot water heating boilers and hydronic heating systems. Made from proven ASTM grade brass and bronze materials with decorative chrome finish.

Apollo Valves 10-321 Safety Relief Valves Features

  • ASME Certified Capacity 20-60 psig (1.4 – 4.1 bar)
  • Set Pressure @ 312°F(155°C) max
  • Corrosion Resistant Construction
  • Polished Chrome Finish
  • Made in the USA


  • ASME Section IV
  • Canadian Registration Number 0G8547.5C


  • Set pressure (20-60, psig)

Standard Material List

Body ASTM B16 Brass
Nozzle ASTM B16 Brass
Spring Stainless Steel

Ref : http://www.apollovalves.com

Download Data Sheets : Apollo Valves 10-321 Series

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