Agilent (ex Varian) VHS and HS diffusion pumps have pumping speeds from 65 L/s to 28,000 L/s, in an operating range of 1 x 10-3 Torr to 5 x 10-9 Torr. Our patented bulge body diffusion pump design maximizes pump throughput while delivering pressure stability and reducing backstreaming to a minimum, which is ideal for critical applications such as vacuum coating, metallizing, brazing and heat treatment.

Agilent offers a broad range of pump sizes with multiple flange options, as well as input voltages (from 90 V to 575 V) so you can find the right pump fit for your application.

Our wide range of accessories includes robust heaters, baffles, cold caps, and thermal protection switches to keep your downtime to a minimum.