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Out of Stock   Varian M-4 NRC Rebuilt 4-Inch Diffusion Vacuum Pump Rebuilt Refurbished 1850

Sale: $1,850.00

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Varian M-4 NRC Rebuilt 4-Inch Diffusion Vacuum Pump Rebuilt Refurbished

Varian M-4 NRC Rebuilt 4-Inch Diffusion Vacuum Pump Rebuilt Refurbished

The Varian M-4 Diffusion Pump belongs to a family of pumps designed to combine high performance and unusually low cost when used alone or with matching components. The backstreaming rate of the M-4 pump is less than 0.0001 Mg/cm2/min., five times better that other diffusion pumps. As a result of this superior performance, it is often possible to use the M-4 without traps or baffles. However, when these components are added, the degree of cleanliness at the inlet of the topmost component is greater than that possible with other pumping systems. The standard patented cold cap which intercepts over 98% of backstreaming vapor, has been redesigned to keep it colder by more efficient heat transfer, and it is easier to install and maintain. The M-4 pump has full thermostatic protection against inadequate cooling water, low pump fluid, or inoperative forepump.The heat and electrical components were replaced where needed and they have been repainted. Inlet Flange is 4 inch ASA.

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This Pump is Used and Rebuilt and has a 90 Day Warranty.

PDF Logo Varian M-4 NRC Diffusion Pump Brochure and Specifiations.pdf

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Ideal Vacuum Products, LLC
5910 Midway Park Blvd NE,
Albuquerque, NM 87109-5805

Phone: (505) 872-0037
Fax: (505) 872-9001

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