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Watson Marlow 704S/R IP55 Peristaltic Pump Watson Marlow 704R IP55 Peristaltic Pump used nice ships tested and working variable speed control
Flow rates from 0.03 - 8.8 GPM (8.4 to 2000 L/hr)
PWM, microprocessor controlled closed loop
speed regulation
Manual control of stop/start, speed, direction, and priming via membrane keypad
LED display of pumphead speed
“Auto Restart”, and “Keypad Lock” functions
• IP55 washdown enclosure
• Fitted with 701R driven roller pumphead
• Accepts tube sizes #190, 88, 189, 191, 92 (3/8"-1" bore and 3/16" wall)
• Equipped with magnet safety interlock switch to disable pump drive while pumphead is open