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Varian, Diffusion Pump

NHS-35 Diffusion Pump
  The Agilent NHS-35 Oil Diffusion Pump is a pump with high throughput and high pumping speed of 50,000 L/s. With its fully optimized vapor jet, robust boiler design and thermal protection switches, the pump will run without any maintenance for many years. It is available with 35 in. ASA or ISO 1000F (bolted) inlet flange.

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Available in 2 in. and 16 in. through 35 in. sizes, the low-cost HS-series pumps provide high speed, low ultimate pressure, high throughput, high tolerable forepressure, and low backstreaming. The HS-Series diffusion pumps come with full thermal protection and optional quick-cool coils. The 16 in. through 35 in.

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Agilent / Varian Large Diffusion Pumps

HS-20 Diffusion Pump

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Available in 4-inch, 6-inch, 250-mm, 10-inch, and 400-mm sizes, the VHS series pumps are the fastest and cleanest diffusion pumps of their size available today. The VHS series patented Bulge Contour doubles gas capture and maintains lower pressure. All VHS series pumps have sight glass/fill and drain assemblies for continuous monitoring and easy maintenance of pump fluid.

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Available in 4-inch, 6-inch, 250-mm, 10-inch, and 400-mm sizes, the VHS series pumps are the fastest and cleanest diffusion pumps of their size available today. The VHS series patented Bulge Contour doubles gas capture and maintains lower pressure. All VHS series pumps have sight glass/fill and drain assemblies for continuous monitoring and easy maintenance of pump fluid.

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Available in 4-inch, 6-inch, 250-mm, 10-inch, and 400-mm sizes, the VHS series pumps are the fastest and cleanest diffusion pumps of their size available today. The VHS series patented Bulge Contour doubles gas capture and maintains lower pressure. All VHS series pumps have sight glass/fill and drain assemblies for continuous monitoring and easy maintenance of pump fluid.

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Agilent/Varian Diffusion Pump Accessories

Replacement Baffles and Cold Caps for Diffusion Pumps

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Agilent / Varian Diffusion Pump Accessories
Fluids for Diffusion Pumps  

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Baffles for Diffusion Pumps

Agilent watercooled Halo Baffles provide nearly twice the speed at the pump inlet as that achieved with other baffles.


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Cold Caps for Diffusion Pumps

The Agilent Extended Cold Cap is an option that fits inside the VHS-4, VHS-6 and VHS-10 pumps.


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Diffusion Pump Accessories
Agilent / Varian - Heaters & Heater Components for Diffusion Pumps

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