- P/N 9699367
- Fir Agilent Helium Leak Detectors
- Fully Rebuilt
- Compression Ratio: N2: 5 x 10-8
Agilent/Varian TV 70 SIENA LP Overview:
The Varian/Agilent TV 70 LP SIENA turbo pump. The pumping speed up to 68 l/s N2. Varian TV 70 LP SIENA (9699367) has the compression ratio 5 x 10-8. The Agilent TV 70 SIENA LP pump has been designed to fit Agilent helium leak detectors. Rotational speed is about 75000 rpm.
The Varian V70LP SIENA pump consists of a high frequency motor driving a turbine fitted with bladed stages and 4 Macrotorr stages. The turbine rotates in an anticlockwise direction when viewed from the high vacuum flange end.
The TV70LP SIENA / 969-9367 turbine is made of high-strength, light aluminium alloy, and is machined from a single block of aluminium. The turbine blades have five different angles, from 44° to 12°, while the Macrotorr stages are in the form of discs.
The V-70LP SIENA turbine rotor is supported by permanently lubricated high precision ceramic ball bearings installed on the forevacuum side of the pump. The static blades of the stator are fabricated in stainless steel. These are supported and accurately positioned by spacer rings.
During normal operation, the V-70lp motor functions with a power feed at 54 Vac three-phase at 1167 Hz. To reduce losses during start-up to a minimum, the frequency increases according to a ramp with a higher initial voltage/frequency ratio.

Click Here for Varian TV 70 LP Manual
A&J Vacuum repair / rebuild and service all Varian TV70LP SIENA , Agilent TV 70LP SIENA, V-70LP Turbo Pump Service, Varian Vacuum Pumps along with all other Varian, Alcatel, Edwards, Bush, Leybold, Pfeiffer, Ulvac Oil lubricated Pumps, Varian Scroll Dry Pumps. Please contact us for information on service program or click here http://www.ajvs.com/service.php to go to our Service page. We also offer Emergency service upon request. For more information Please contact A&J Vacuum Services at 973-249-0854

Click Here for Varian TV 70 LP Manual
A&J Vacuum repair / rebuild and service all Varian TV70LP, Agilent TV 70LP, V-70LP Turbo Pump Service, Varian Vacuum Pumps along with all other Varian, Alcatel, Edwards, Bush, Leybold, Pfeiffer, Ulvac Oil lubricated Pumps, Varian Scroll Dry Pumps. Please contact us for information on service program or click here http://www.ajvs.com/service.php to go to our Service page. We also offer Emergency service upon request. For more information Please contact A&J Vacuum Services at 973-249-0854
We can have a repair estimate ready for your equipment within the hour of submission.
Start your equipment repair process by creating a Service RMA.
A&J Vacuum Services provides repairs on all types of High Vacuum equipment. We perform Turbomolecular Pump repair, Turbo Pump Repair, Dry Pump repair, Vacuum Pump repair and Mass Spectrometer repair. Our highly trained technicians will deliver the highest quality service and satisfaction.
We operate at our own full service repair facility which allows us to quickly and economically perform all repairs in a timely manner. Our advandced machinery enables us to handle all facets of the service and repair process. AJVS utilizes industry standard vibration analysis equipment and advanced testing equipment to troubleshoot and minimize all equipment failures. Our in-house machine shop is capable of machining various components, prototypes and housing conversions as needed.