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welch vacuum pump, model 1400 duoseal, with 1/2" in/out, unit has 1/3 hp, 115v, 1725 rpm single phase motor, is serial number 171364.
one(1) used welch dual seal vacuum pump. serial number 14559-5 1/3 hp, single phase, 115 voltage. on base with casters. belt driven with guard.
one (1) used welch vacuum pump, with 1 hp, 220/440 volt motor, serial# 3911-97.
welch duo-seal belt-drive vacuum pump with dayton 3/4 hp 115/220 volt-ac motor note from manufacturer: 6. the pump produces its best vacuum ( < .05 micron) at 300 r.p.m. dayton 6k376d phase-1 motor...
1-used welch vacuum pump. model: 8905a. direct-drive vacuum pumps achieve vacuum levels down to 2.6 with flows up to 1.8 cfm. portable type. for lab use. compact design. power requirements: 115/230...
this welch 1.0 vacuum pump is in excellent condition. this unit powers up and pulls strong.