Description Description Welch 1402 Duo-Seal 160 liter per minute 2-stage vacuum pump Equipped with Leland-Faraday Motor 1/2 Hp. 1725 Rpm. 60Hz. 1Ph. 110-220 Volt Very good like new condition has been tested to pull and hold 28.5 in Vacuum at sea level Ultimate Pressure (Torr) 1 x 10 -4 Welch still sells this pump new w/list price of $2,029 USD. This unit has been tested and found to be fully functional, however is sold as is. View AllClose