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Free air displacement cfm (l/min.) @60hz: 5.6(160)
Welch 1400b duoseal vacuum pump. new in the box vacuum pump with manual, and oil as you see in the photos. save big with this new pump. msrp $2500.00 gas ballast inhibits condensation inside pump steel belt gua...
This welch 1.0 vacuum pump is in excellent condition. this unit powers up and pulls strong.
Welch dryfast ultra solid ptfe pump welch 2032b-01 vacuum pump welch vacuum pump used - 25 lpm, 0.9 cfm, 2 torr, 3 mbar file photo
One (1) used welch vacuum pump, with 1 hp, 220/440 volt motor, serial# 3911-97.