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Regulating Valves

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GEA’s regulating valves type HRAR and HRAB are regulating and shut-off devices activated by a hand wheel.

At maximum stroke the cone releases the nozzle for regulating. The diameter of the nozzle is equivalent to the valve diameter. The valves are fitted with a back seal (flat sealing ring R). When the valve is fully open, the sealing elements (O-rings, A, B, PTFE ring) can be replaced at the stem by unscrewing the bushing.

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; the flow direction should be observed


HRAB Regulating Valves HRAR Regulating Valves
design straightway or angle type straightway or angle type
material steel or stainless steel steel or stainless steel
nominal size DN 10-125 DN 6-250
nominal pressure level PS 25, PS 40 PS 25, PS 40, PS 63, PS 100
temperature range -60 °C to 150 °C -60 °C to 150 °C
connection butt welding ends DIN, ANSI
flanged ends DIN, ANSI
solder ends

butt welding ends DIN, ANSI
flanged ends DIN, ANSI
solder ends
screwed ends

other cover extension cover extension
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