This Leybold purge gas throttle is installed onto the G 1/8" (BSPP) inlet of the venting valve (part number P1012442), or the power failure venting valve (part number P1012443). It throttles gas input through the valve to 24 sccm. This purge gas throttle can be used on any TURBOVAC i series turbo pump with a valve plumbed to the turbo pump's VENT port. Use the TURBO.CONTROL i display unit (part number P109168) to set the correct parameters for the valve. See the Serial Interface download for instructions. This Leybold purge gas valve has part number 800120V0014.

This Leybold purge gas throttle fits all TURBOVAC i series turbo pumps with a vent valve:

• TURBOVAC 90i
• TURBOVAC 250i
• TURBOVAC 350i
• TURBOVAC 450i
• TURBOVAC 850i
• TURBOVAC 950i
• TURBOVAC 1350i
• TURBOVAC 1450i