Safety Devices for Protecting Refrigeration Systems from Excess Pressure
GPV GAS-POWERED VALVES
GEA GPVs are designed for installation in the oil return line between the lowest point of the flooded evaporator and the compressor. By design the valves are kept open by a compressing spring so the oil-refrigerant mixture runs into the oil reservoir. Once filled, hot-gas pressure which is inserted by a connector on the cover, closes the GPV and concurrently increases the pressure on the reservoir via an overflow bore. This pressure is used to impel the collected oil back to the compressor and thus to drain the oil collection container.
Technical Features
- Available in steel or stainless steel
- Selection of body material as per German DIN EN12284, AD2000 Series W
- Working mediums: refrigerants as per EN 378 p. 1, e. g. NH3, R134a, R290 (propane), R507 and blends with refrigerator oil; neutral, gaseous and liquid mediums; glycol-based cold brine
- Installation position: vertical and horizontal
| GPV Gas-Powered Valves | |
| material | steel or stainless steel |
| nominal size | DN 25-32 |
| nominal pressure level | PS 40 |
| temperature range
for standard valves | -60 °C to +150 °C |
| temperature range for
HT Valve Series | -10 °C to +200 °C |
| connection | butt welding ends as per DIN and ANSI |
Gas Powered Overflow Valve type GPV
サービス製品
レシプロコンプレッサ用GEAサービスキット
レシプロコンプレッサ用GEAサービスキットで、シンプルな世界へようこそ。GEAの使命は明確です。お客様に純正スペアパーツをシームレスにご使用いただき、これまで以上にスムーズなオペレーションを実現することです。「気楽に、キットを使って」は単なるキャッチフレーズではなく、私たちが果たす約束です。
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GEA Ammonia Dryer
The GEA Ammonia Dryer removes water from the refrigerant cycle and makes the perfect addition to ammonia refrigeration systems along with filters and purgers.
