Welch 2163 6.1 cfm Full Chemical-Resistant 8-Head Diaphragm Pump CO2 Rare gas recirculation

Rare gas recirculation

* Top of tank: 1

Low liquid level protection with optical and audible alarm signal

Always leave ample fluid space in heater reservoir to allow fluid heat expansion

They also have difficulty dealing with viscous liquids or thick suspensions

Welch 2163 6.1 cfm Full Chemical-Resistant 8-Head Diaphragm Pump CO2 Rare gas recirculationcUL only available to 110V model. The Welch 2163 is a high capacity full chemical resistant, 8 head, oil free dry diaphragm vacuum pump with all aluminum contact surfaces and deep vacuum capability. Oil Free, portable, full chemical resistant, means less maintenance and no more frequent and costly oil change, or cross contamination. Ai is now the official dealer of Welch vacuum pumps. These pumps are made in Germany with one year warranty and