Replacement Shaft For Welch 1397/1374 DuoSeal Belt Drive Rotary Vane Mechanical Vacuum Pump.
These new shafts are for the Welch 1397 and 1374 DuoSeal belt-driven rotary vane dual stage mechanical vacuum pumps. This is the replacement for Welch part number 411484, guaranteed to meet or exceed OEM specs. Please see the exploded part views in the downloads. This is the shaft only, vacuum pumps and accessories sold separately.
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