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in Diffusion Pumps
Item ID: 3397

Offered5 Offered at $ 1,750.00 (each)


Diffusion Vacuum Pump

Pump will be rebuilt at time of sale. Specify desired heater voltage (120/208/240VAC).

In addition to this Varian VHS 4, Capovani Brothers Inc stocks a wide range of used diffusion vacuum pumps. Typical manufacturers include Consolidated Vacuum Corporation, Edwards Vacuum, NRC, Varian, and Veeco Instruments.

To view our complete stock of used diffusion vacuum pumps visit our Diffusion Vacuum Pumps category.

Learn about our Diffusion Vacuum Pump Refurbishment and Functional Testing Procedures

This used diffusion vacuum pump and all the other used and refurbished semiconductor, scientific, and laboratory equipment listed on this website are owned by Capovani Brothers Inc. and stored at our facility in Scotia, NY.

Sell us your used, surplus or idle assets! Send us your surplus list

Unit Price $ 1,750.00 (each)
Number of Units 5
Manufacturer Varian
Model VHS 4
Inlet Flange ASA     101.6  mm  (4.000 in)
Pumping Speed Helium 1,500.00  l/s  (3,178.64 CFM)
Pumping Speed Air 1,200.00  l/s  (2,542.91 CFM)
Warmup Time 10 Minutes
Cooldown Time 10 Minutes
Cooling Water Required Minimum¬†Flow: 0.15  GPM  (0.57 l/m)
Water Connection 1/8" FPT
Other Information Fluid charge: 300 cc
Power: 1450 watts
Max forepressure: No load = 0.65 torr; Full load = 0.55 torr
Two Pumps With 1.75" tubeular OD Fore line Connection Available
Power Requirements      50/60 Hz     1¬†Phase
Exterior Dimensions 
  Width 17.000  in  (43.2 cm)
  Depth 11.000  in  (27.9 cm)
  Height 16.500  in  (41.9 cm)
Weight 30  lb  (14 kg)

Shipping & Handling:

Unless otherwise stated, all items will be fully tested and sold with our standard ninety day warranty, which is described in our terms and conditions. 
Our standard procedure is to service the equipment as orders are placed. Lead times can vary depending on the item.
Domestic and International shipments: Ex Works, Scotia, NY. All freight cost estimates are for dock to dock service only.
Any additional services, i.e. lift-gate, inside or residential delivery, must be requested at the time of sale and will be billed accordingly.
CBI is not responsible for any damage incurred during shipment. It is the buyer's responsibility to inspect packages for damage and to note any damage on bill of lading.
Please feel free to call us with any questions. (Phone: 518.346.8347, Fax: 518.381.9578).

Minimum order of $50 required.
We offer terms of net 30 days to all companies that have established credit with Capovani Brothers Inc. and have paid within terms.
All federal, state, local governments and their agencies, as well as institutions of higher learning automatically receive terms.
All other sales, including foreign sales, are prepayment only.
MasterCard, VISA, Discover and AMEX are accepted at sellers discretion.

Domestic Terms and Conditions

International Terms and Conditions