for Industrial Refrigeration Systems Shut-off Valves

AVR shut-off valves with stem-sealing screwed-in bush and AVB shut-off valves with stem-sealing metal bellows.

Operated by a handwheel or a ratchet: AVB & AVR shut-off valves. Closed off clockwise and opened counter-clockwise, the valves include a back seal. When the valve is open fully, the screw bush and seal can be replaced. AVB shut-off valves 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

 

AVB Shut-off Valves AVR Shut-off Valves
design straightway or angle type straightway or angle type
material steel or stainless steel steel or stainless steel
nominal size DN 10-300 DN 6-500
nominal pressure level PS 25, PS 40 PS 25, PS 40, PS 63, PS 160
temperature range -60 °C to +150 °C -60 °C to +150 °C
connection butt welding ends DIN, ANSI 
flanged ends DIN, ANSI 
solder ends 
screwed ends
butt welding ends DIN, ANSI  
flanged ends DIN, ANSI  
solder ends  
screwed ends
other cover extension cover extension

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