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 | |
| 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 |