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Model 208V 60Hz PN 460V 60Hz PN
WS 501 (Non Bypass) 117 32 LV 117 32 HV
WSU 501 (Bypass) 117 33 LV 117 33 HV

Pumping Speed 298 cfm
Ultimate Pressure without Gas Ballast 10 mTorr
Power 3.3 HP
Dimensions (Inches) 14″H x 33″L x 16″W
Weight WS=287lbs, WSU=298lbs.
Oil Capacity .8 Qts.

Leybold WS/WSU501 Series Booster Pump