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Varian VHS-6/S/S Diffusion Pump, Standard Cold Cap, 120V, 2200W

$5,500.00
AdID: 6616

Availability: 1 item(s)

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Details

THIS IS A NEW ITEM.  IT DOES NOT HAVE ITS ORIGINAL PACKAGING.

THIS ITEM IS A FREIGHT ITEM.  PLEASE CALL OR MESSAGE US FOR A QUOTE.

Technical Specifications


Pumping speed, operating range 1,550 l/s air, 1,930 l/s He/H2
Pumping speed*, AVS 4.1 (1963) 2,400 l/s air
Maximum throughput 2.4 T-l/s (3.2 mbar-l/s) in operating range, 3.5 T-l/s (4.5 mbar-l/s) @ 0.01 Torr
Operating range 1.5 x 10-3 to <5 x 10-9 Torr (2 x 10-3 to < 6.5 x 10-9 mbar)
Maximum forepressure No load: 0.65 Torr (0.85 mbar)
Full load: 0.55 Torr (0.72 mbar)
Recommended backing pump ≥17 cfm (29 m3/hr)
Backstreaming rate, standard cold cap <5 x 10-4 mg/cm2/min
Warmup time 10 minutes
Fluid charge 500 cc – exact fluid charge available
Electrical requirements 1 ph, 50/60 Hz, 120/208/240 VAC
Pump power 2200 watts
Cooling water requirements 0.25 gpm (50 l/hr) at 60-80 °F (15-26 °C)
Water connections ⅛ in. FPT Tee