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 | |||||
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 |
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other | variable connections | variable connections | ||||