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20 cc Rotary Pump — Female Input Shaft, Counterclockwise Rotation 20 cc Rotary Pump — Female Input Shaft, Counterclockwise Rotation
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Rotary Pumps

20 cc Rotary Pump — Female Input Shaft, Counterclockwise Rotation

Part No. HYPR212MX
$13,699.00  Not available on-line. Please contact your Harken dealer.
Maximum pressure (bar)517 bar
Maximum pressure (psi)7500 psi

Harken offers two sizes of 2-speed, pedestal-driven rotary pumps for Grand Prix race boats 13.7 - 30.5 m (45 - 100'). They deliver oil faster, more efficiently, and with higher shift points than other pumps of comparable sizes. The pumps shift from 1st to 2nd gear both automatically and manually, with automatic shift points determined by the maximum output of the grinders. If fewer crew are grinding, and not enough power is generated to reach the automatic shift point, pumps can be shifted manually—the 20 cc pump by simply reversing the pedestal handles; the 10 cc pump by using a pull-cord attached to a lever.

Pumps are made of corrosion-resistant Hard Lube-anodized aluminum, with aluminum, titanium, and stainless steel components. All pumps include a non-return valve on the outlet to prevent backflow.

These patented pumps have either a 30 mm male input shaft or 25 mm female spline. Two banks of six pistons feature spring returns and large volume output. Spinning the pump in the opposite direction at a pressure lower than the automatic shift point manually shifts it into second gear. Please specify clockwise (CW) or counterclockwise (CCW) when ordering.

Output/revolution: 1st (cc)20.5 cc
Output/revolution: 1st (in³)1.25 in³
Output/revolution: 2nd (cc)6.3 cc
Output/revolution: 2nd (in³)0.39 in³
Maximum RPM400 
Maximum pressure (bar)517 bar
Maximum pressure (psi)7500 psi
Input spline25 mm female spline 
Ports/fittings suction3/8" 37° JIC 
Ports/fittings pressure3/8" 37° JIC 
Weight (kg)4.5 kg
Weight (lb)9.9 lb
DWG: HYPR212MX.dwg.zip (open/save)
Drawing - PDF: HYPR212MX.PDF (open/save)
EPS: HYPR212.eps (open/save)
High-res JPG: HYPR212.jpg (open/save)

DO NOT use Harken equipment for human suspension unless product is specifically certified and labeled for such use.

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