Welch DuoSeal 1400 Belt Drive Rotary Vane Dual Stage Mechanical Vacuum Pump. Belt-drive operation reduces wear and RPM for a very quiet and durable pump with a very low ultimate vacuum of less than 0.001 Torr [0.1 micron]. Time tested design is well known and easy to find repair kits, replacement parts, and service technicians certified to make repairs. These pumps have large oil reservoirs to dilute contaminants which allows for a high contamination tolerance. Goldleaf Scientific Exclusive : Comes with ISO NW-16 quick hose connector instead of standard hose barb.
The advantages are as follows - Quick and easy removing of hose from pump, easy to find replacement barb sizes to fit any size hose, universal part sizing for versatile aftermarket connection options. Welch DuoSeal vacuum pumps are known for their ruggedness world-wide. Pump includes an exhaust filter to control oil mist. The Welch DuoSeal 1400 offers an excellent ultimate pressure of 1x10-4 Torr. 110 Volts 50/60Hz single phase, 1/3 HP 250 watts.
Belt-drive rotary vane mechanical vacuum pump. 0.63 quart / 0.6 liter. 17.8 x 9 x 12.6. 20.5 x 13.8 x 14.5.