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Koshin gear pump is applicable fo a wide range of activities from low viscosity oil such as kerosene, light oil, medium/high-viscosity oil etc. Since the pump has a bypass valve built-in and is equipped with relief function, it is very safe.

Specifications (based on water)

Model Gear Material Connection Diameter Delivery volume Delivery Pressure Power Weight
200rpm 400rpm 600rpm
GC-13 Cast Iron 13mm (½ inch) 10 L/min 21 L/min 32 L/min 3 Bar 200W 5kg
GC-20 Cast Iron 20mm (¾ inch) 18 L/min 37 L/min 56 L/min 400W 6kg
GC-25 Cast Iron 25mm (1 inch) 27 L/min 55 L/min 83 L/min 750W 10kg

Dimensions (in millimeters)

Model A L B C D D1 H H1 H2 H3
GC-13 PS1/2 181 148 100 18 127 151 67 88 130
GC-20 PS3/4 201 165 130 20 152 179 78 103 153
GC-25 PS 1 247 204 142 22 203 230 91 129 191
Model F J I K E G E1 N M P S Pully
GC-13 70 32 36 51 33 9 21 41 25 A1
GC-20 97 36 58 60 23 28 9 25 50 25 A1
GC-25 114 38 65 75 30 34 10 33 63 24 A1
Specification

Specifications (based on water)

Model Gear Material Connection Diameter Delivery volume Delivery Pressure Power Weight
200rpm 400rpm 600rpm
GC-13 Cast Iron 13mm (½ inch) 10 L/min 21 L/min 32 L/min 3 Bar 200W 5kg
GC-20 Cast Iron 20mm (¾ inch) 18 L/min 37 L/min 56 L/min 400W 6kg
GC-25 Cast Iron 25mm (1 inch) 27 L/min 55 L/min 83 L/min 750W 10kg
Dimensions

Dimensions (in millimeters)

Model A L B C D D1 H H1 H2 H3
GC-13 PS1/2 181 148 100 18 127 151 67 88 130
GC-20 PS3/4 201 165 130 20 152 179 78 103 153
GC-25 PS 1 247 204 142 22 203 230 91 129 191
Model F J I K E G E1 N M P S Pully
GC-13 70 32 36 51 33 9 21 41 25 A1
GC-20 97 36 58 60 23 28 9 25 50 25 A1
GC-25 114 38 65 75 30 34 10 33 63 24 A1

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