ステムを密閉するねじ込みブッシュとステム - シーリング金属ベローズのAVB遮断バルブ。
GEA shut-off valves (AVR, AVB, AVR/AVB also with electric) are designed for installation in industrial heating and refrigeration systems. The stem sealing is provided either by a threaded bush (AVR type) or by a threaded bush with an additional metal bellows (AVB type) to ensure a complete hermetic sealing. Electric actuator AVR/AVB are powered by an electric motor connected to the stem. The valves can be operated by a hand wheel or a ratchet attached to the stem. By turning the stem clockwise, the valve disc is lowered onto the valve seat, thereby closing the valve. Counter-clockwise rotation of the stem raises the valve disc, opening the valve. Shut-off valves should only be operated in the fully open or fully closed position. When the valve is fully opened, it is possible to replace the threaded bush and the seal. The valves are equipped with a back seal. When the valve is fully opened it is possible to replace the threaded bush and the sealing.
Shut-Off Valves type AVB
AVB 遮断バルブ | AVR 遮断バルブ | |
設計 | 直線またはアングル型 | 直線またはアングル型 |
材質 | 鋼またはステンレス鋼製 | 鋼またはステンレス鋼製 |
公称寸法 | DN 10-300 | DN 6-500 |
呼び圧力レベル | PS 25、PS 40 | PS 25、PS 40、PS 63、PS 160 |
温度範囲 | -60 °C ~ +150 °C | -60 °C ~ +150 °C |
接続 | 突き合わせ溶接端 DIN、ANSI フランジ端 DIN、ANSI はんだ端 ネジ留め端 | 突き合わせ溶接端 DIN、ANSI フランジ端 DIN、ANSI はんだ端 ネジ留め端 |
その他 | カバー拡張 | カバー拡張 |
The GEA Ammonia Dryer removes water from the refrigerant cycle and makes the perfect addition to ammonia refrigeration systems along with filters and purgers.
PR-OLEO® 高品質アンモニア冷凍機油は、高度に精製された二段階水素化分解潤滑油で、往復圧縮機またはスクリュー圧縮機を搭載したアンモニア冷凍システム用として特別に考案されました。
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