Vacuum diffusion pumps require an effective heating system to drive the pump. Conventional designs often employ a complicated series of components that must be carefully matched up, adding unnecessary time, labor, and cost to the replacement process. (read more)

Diff-Therm Platen Heaters are high-quality tubular heating elements swaged under 50 tons of pressure into grey iron castings. For 25 years, Diff-Therm heaters have set the standard for long-life, evenly distributed process heating and efficient power generation. (read more)

DiSTeK ™ thermo-diffusion coating - new precision zinc galvanizing process for HD corrosion & wear resistance on steel & iron parts (read more)

As the worldwide diffusion pump market leader, Varian produces the most comprehensive family of pumps, ranging from 2 in. to 35 in. in diameter, and is the only broad-line, U.S.-based manufacturer. (read more)

Diff-Therm Platen Heaters are high-quality tubular heating elements swaged under 50 tons of pressure into grey iron castings. For 25 years, Diff-Therm heaters have set the standard for long-life, evenly distributed process heating and efficient power generation. (read more)

The ChemView was designed for those liquid and gas applications where a spectrophotometer and chemometric modeling are overkill. A surprising number of applications can be simplified to a handful of wavelengths. A photometer is a lower cost alternative for long-term success at the plant-level in these cases. (read more)

One of the major applications for Zircadyne® metal is as a structural material in the chemical processing industry. Zircadyne® metal exhibits excellent resistance to corrosive attack in most organic and inorganic acids, salt solutions, strong alkalis, and some molten salts. (read more)

Santovac 5 Polyphenyl Ether is a vacuum diffusion pump fluid which operates efficiently, economically and safely to produce ultra-high vacuums of 4 x 10-10 torr, and higher, at 25°C. Diffusion pumps are the most economical and reliable means of reaching these low pressures and Santovac 5 has proven to be the best pump fluid available for this type of equipment. (read more)

RTI manufactures DISC & CHIP style thermistors in resistance values ranging from 1.0 ohm to 500,000 ohms. These devices are suitable for a range of resistance values and temperature coefficients from relatively low resistance and temperature coefficients to very high values. (read more)

Varian offers a wide range of diffusion pump fluid types and container sizes. We have just the right fluid type and container size to meet the requirements of your particular application. (read more)