• Patented Bulge Contour increases gas capture
• Fluid-level sight glass provides a quick indication of pump fluid status at all times
• Fill and drain assembly for easy maintenance of pump fluid
• Fractionating jet purifies pumping fluid for cleaner operation
• High tolerable forepressure
• Full thermal protection safeguards against all thermal overloads
• Stainless steel pump body, flange and jet
• Finned boiler increases surface area, prolonging fluid life
• Foreline baffle prevents fluid loss to backing system
• Quick cool coil is standard

Part Number Variant

86460301 VHS-4 diffusion pump, 4 in ASA, with standard cold cap, 120 V, 1450 W 120 V
86460311 VHS-4 diffusion pump, 4 in ASA, with extended cold cap, 120 V, 1450 W 120 V
L6256301 VHS-4 diffusion pump, ISO 160K, with standard cold cap, 120 V, 1450 W 120 V
L6256311 VHS-4 diffusion pump, ISO 160K, with extended cold cap, 120 V, 1450 W 120 V
86460306 VHS-4 diffusion pump, 4 in ASA, with standard cold cap, 208 V, 1450 W 208 V
86460316 VHS-4 diffusion pump, 4 in ASA, with extended cold cap, 208 V, 1450 W 208 V
L6256306 VHS-4 diffusion pump, ISO 160K, with standard cold cap, 208 V, 1450 W 208 V
L6256316 VHS-4 diffusion pump, ISO 160K, with extended cold cap, 208 V, 1450 W 208 V
86460302 VHS-4 diffusion pump, 4 in ASA, with standard cold cap, 240 V, 1450 W 240 V
86460312 VHS-4 diffusion pump, 4 in ASA, with extended cold cap, 240 V, 1450 W 240 V
L6256302 VHS-4 diffusion pump, ISO 160K, with standard cold cap, 240 V, 1450 W 240 V
L6256312 VHS-4 diffusion pump, ISO 160K, with extended cold cap, 240 V, 1450 W 240 V
MSPB0196 VHS-4 diffusion pump, 4 in ASA, with extended cold cap, 400 V, 1450 W 400 V

New, factory warranted pumps available.

Price: POA, please contact us for latest prices