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Mechanical Vacuum Boosters with Bypass Valve
发表时间:[2013-7-22 14:57:53] 标签: Vacuum <
Mechanical Vacuum Boosters with Bypass Valve Models: KMBD 400 BP KMBD 720 BP KMBD 1600C BP Kinney vacuum boosters can be coupled with rotary piston, liquid ring and rotary vane pumps to provide very high pumping speeds. Since the booster’s capability is significant below 1 Torr, it also expands system capability down into the lower pressure regions. For example, liquid ring systems with Kinney boosters can achieve end pressures down in the fraction of a Torr range. Kinney vacuum boosters are automatically protected by an overload bypass valve which adjusts to gas load conditions. When the pressure difference gets to 75 Torr, the bypass valve opens and prevents it from getting any higher. The pressure difference determines the load on the motor which is consequently also limited. As soon as the vacuum system is pumped down to where the pressure difference is less than 75 Torr, gravity closes the valve and the booster resumes normal operation. The booster does not slow down and recovery is instantaneous. The bypass valve eliminates the needs for temperature or pressure switches. An on-line switch is all that is required, and a wide variety of backing pumps may be used. Features: · Automatic overload protection · Easy Installation · Low horsepower – low heat load · Operates at all pressures. Typical minimum operating pressure is 1 Torr · Compatible with all makes of vacuum pumps · Rugged, proven design · Pump-down times greatly reduced
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