The series of KF valves are special ones installed on mechanical vacuum pump.

They use the same switch as the one of the pump so that start and stop of the pump and valve are synchronized.

When the pump stops suddenly, valves can close the vacuum system automatically through differential pressure between air and vacuum

Advantages:

• Fast-closing high vacuum isolation valve for separating the vacuum chamber from the backing pump
• Venting valve for roughing pumps
• Immediate closing action upon power failure
• Opening action only after the intake line has been evacuated

Features:

• Valve body materials: aluminium
• Pressure range: 1.0x10-4 mbar to 1.2 bar
• Cycles until first service: 200 000
• Operating temperature: -25°C to 50°C
• Power supply : AC 220 V, 50 Hz, 15 W
• Closing/opening speed : < 1s