



Marine pumps
GH Horizontal in-line gear pumps
Construction
This Gear Pump is constructed of one set of gears, a shaft supported by the metal bearing, casing, side cover, etc. Metal bearings are inside of the casing and are lubricated by the pumping liquid.
A safety valve is fitted on the pump casing to protect the pump, motor, and piping line from an abnormal increase in the discharge pressure.
Application
- H.F.O./ F.O. Trans. pump
- H.F.O./F.O. Circ. pump
- G/E D.O. Trasns. pump
- L.O./D.O. trans. pump
- F.O./ L.O. Supply pump
- Other
Principal particulars
| MODEL | GH-0.5 | GH-1 | GH-1.5 | GH-2 | GH-2.5 | GH-3 | GH-5 | GH-6 | GH-10 | GH-30 | GH-40 | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| Rotation | Clockwise when viewed from driver end | ||||||||||
| Suction bore[mm] | 25 | 32 | 40 | 40 | 50 | 50 | 65 | 65 | 80 | 125 | 150 | 
| Discharge bore[mm] | 20 | 25 | 32 | 32 | 40 | 40 | 50 | 50 | 65 | 100 | 125 | 
| Stuffing box seal | Gland packing | ||||||||||
| Weight[kg] | Refer to the outline drawing | ||||||||||
Standard accessories
- Discharge pressure gauge --------- 1 EA
- Suction compound gauge ----------- 1 EA
- Gauge board ---------------------- 1 EA
- Gauge root valve ----------------- 2 EA
Standard spare parts
- 1 pump set of the following spare parts is supplied for 1 SHIP
- Gland packing or mechanical seal
- Coupling bolt, nut & washer
- Metal bearing
- Complete set of rotating element ( if required)
Selection Chart (GH-0.5~3)

Selection Chart (GH-5~40)

Outline Dimension

| MODEL | BORE | DIMENSIONS [mm] | MOTOR POWER [kw]  | PUMP WEIGHT [kg]  | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SUC. | DIS. | A | B | C | D | E | G | H | I | K | L | M | P | X | Z | |||
| GH-0.5 | 25 | 20 | 55 | 122 | 155 | 115 | 110 | 20 | 270 | 60 | 255 | 375 | 220 | 177 | 26 | 256 | 0.4 | 32 | 
| GH-1 | 32 | 25 | 89 | 175 | 195 | 185 | 95 | 25 | 380 | 100 | 300 | 500 | 300 | 264 | 60 | 346 | 0.75 | 48 | 
| GH-1.5 | 40 | 32 | 96 | 175 | 195 | 190 | 95 | 25 | 385 | 100 | 300 | 500 | 300 | 271 | 60 | 346 | 0.75 | 52 | 
| GH-2 | 0.75 | 52 | ||||||||||||||||
| GH-2.5 | 50 | 40 | 98 | 185 | 210 | 202 | 100 | 25 | 412 | 100 | 350 | 550 | 300 | 283  | 35 | 346 | 1.5 | 56 | 
| GH-3 | 1.5 | 56 | ||||||||||||||||
| GH-5 | 65 | 50 | 111 | 200 | 225 | 245 | 105 | 25 | 470 | 100 | 400 | 600 | 350 | 311 | 20 | 400 | 2.2 | 75 | 
| GH-6 | 65 | 50 | 230 | 220 | 225 | 245 | 105 | 25 | 470 | 110 | 420 | 640 | 350 | 450 | 45 | 400 | 3.7 | 98 | 
| GH-10 | 80 | 65 | 140 | 245 | 230 | 300 | 105 | 25 | 530 | 110 | 420 | 640 | 350 | 385 | 45 | 400 | 3.7 | 98 | 
| GH-30 | 125 | 100 | 210 | 357 | 335 | 353 | 175 | 30 | 688 | 200 | 600 | 1000 | 420 | 567 | 80 | 470 | 7.5 | 195 | 
| GH-40 | 150 | 125 | 240 | 387 | 345 | 420 | 190 | 35 | 765 | 200 | 700 | 1100 | 460 | 627 | 57 | 510 | 15 | 225 | 
Standard Sectional drawing

| PART No.  | NAME OF PART | MATERIAL | REQ.No. FOR 1 PUMP  | |
|---|---|---|---|---|
| NAME | KS | |||
| 101 | CASING | CAST IRON | FC20 | 1 | 
| 208A | SIDE COVER(INNER) | CAST IRON | FC20 | 1 | 
| 208B | SIDE COVER(OUTER) | CAST IRON | FC20 | 1 | 
| 209 | SAFETY VALVE BODY | CAST IRON | FC20 | 1 | 
| 210 | SAFETY VALVE COVER | CAST IRON | FC20 | 1 | 
| 211 | SAFETY VALVE CAP | CAST IRON | FC20 | 1 | 
| 212 | SPRING | SPRING STEEL | SUP4 | 1 | 
| 213 | VALVE | CRBON STEEL | 1 | |
| 214 | VALVE GUIDE | NON-ASBESTOS | S45C | 1 | 
| 215 | ADJUST BOLT | MILD STEEL | SS41 | 1 | 
| 216 | ADJUST NUT | MILD STEEL | SS41 | 1 | 
| 303 | GEAR | CARBON STEEL | S45C | 1 set | 
| 403 | COUPLING KEY | CARBON STEEL | S45C | 1 | 
| 429A | METAL BEARING | LEADED TIN BRONZE | LBC4 | 1 | 
| 429B | METAL BEARING | LEADED TIN BRONZE | LBC4 | 3 | 
| 430A | DRIVE SHAFT & KEY | CARBON STEEL | S45C | 1 set | 
| 430B | DRIVEN SHAFT & KEY | CARBON STEEL | S45C | 1 set | 
| 431 | SHAFT NUT | CARBON STEEL | S45C | 1 set | 
| 601 | SEAL COVER | BRONZE | BC3 | 1 | 
| 602 | MECHANICAL SEAL | 1 set | ||
| 701 | GRAND PACKING | SEMI METALLIC | 1 set | |
| 703 | GRAND | BRONZE | BC6 | 1 | 
| 801 | PUMP COUPLING | CAST IRON | FC200 | 1 | 
| 802 | MOTOR COUPLING | CAST IRON | FC200 | 1 | 
| 803 | COUPLING RING | RUBBER | 1 set | |
| 806 | COUPLING BOLT.NUT & WASHER | MILD STEEL | SS41 | 1 set | 















