Valves for the Refrigeration Industries Service Valves

Service Valves type HRS & HRSB

Service valves are operated by a handwheel or a ratchet.
 They are shut off clockwise and opened counter-clockwise. The valves are fitted with a back seal. When the HRS valve is fully open, it is possible to replace the screw bush and the seal. Service valves HRSB are fitted with metal bellows to ensure a complete hermetic sealing.

Technical Features

  • Available in steel or stainless steel
  • Selection of body material as per German DIN EN12284, AD2000 Series W
  • working media: glycol-based cold brine refrigerant EN 378 p. 1 and blends with refrigerator oil, neutral, gas and liquid media, glycol-based cold brine
  • mounting position: in any position

HRS Service Valves HRSB Service Valves
design straightway or angle type straightway or angle type
material steel or stainless steel steel or stainless steel
nominal size DN 8-15 DN 8-15
nominal pressure level PS 63 PS 40
temperature range -60 °C to +150 °C -60 °C to +150 °C
connection butt welding ends DIN, ANSI 
screwed ends
butt welding ends DIN, ANSI  
screwed ends
other variable connections variable connections