K-series gear pumps
Gear pumps for hydraulic systems with rated pressure up to 250 bar. Gear pumps available in groups 1, 2, 2.5, 3, 4. Displacement from 1 cm3 to 200 cm3. This pumps have a wide range of shafts, flanges and ports according to international standards.
- Displacement - 1...200 cmᶟ
- Max. continuous pressure up to 250 bar
- Max. intermittent pressure up to 280 bar
- Maximum speed up to 4000 min⁻¹
- High efficiency
- Long service life
- Assembling dimensions according to SAE, DIN, EUROPEAN, GERMAN standards
- Multiple pumps available
Gear pumps are different by their versatility, simplicity of design and low maintenance costs. Modern technologies and many years of experience of the HYDROSILA company allow us to create pumps with high reliability and durability. High efficiency, low noise level, a wide range of dimensions and options make these pumps an excellent solution for hydraulic systems of various mobile machines and equipment.
Features:
- External gear pumps.
- Lightweight and high-strength body of rolled aluminum.
- Mounting flanges and rear covers with aluminum alloy or cast iron.
- Mounting flanges and shafts according to SAE, DIN, EUROPEAN, GERMAN standards.
- Ports in the body, mounting flange or rear cover.
- Multiple pumps up to 4 stages are available with separate or common inlet for stages.
- Build-in valves are available.
- High quality NBR seals (Viton available).
- Version with bearing support available.
- Customized solutions for special applications are available.
Application:
- Agricultural machinery
- Construction machinery
- Forestry equipment
- Lifting and transporting equipment
- Municipal vehicles
| Size Group 1 |
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Displacement max
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cm3
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1,0
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1,2
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1,6
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2,1
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2,5
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3,2
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3,5
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4,2
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5,0
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6,2
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7,0
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8,0
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10,0
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Flow rate ar 1500 rpm
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l/min
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1,4
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1,7
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2,3
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3,0
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3,6
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4,6
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5,0
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6,0
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7,1
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8,8
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10,0
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11,4
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14,3
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Max. continuous pressure, P1
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bar
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250
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240
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230
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220
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210
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170
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140
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Max. intermittent pressure, P2
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bar
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270
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260
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250
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240
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230
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190
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160
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Peak pressure, P3
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bar
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290
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280
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270
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260
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250
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210
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180
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Max speed, nmax
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min-1
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4000
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3500
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3200
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Min. speed at P1≤100 bar, nmin
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min-1
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750
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650
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600
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Weight
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kg
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0,836
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0,85
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0,87
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0,91
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0,93
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0,96
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0,98
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1,0
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1,05
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1,16
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1,20
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1,26
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1,32
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| Size Group 2 |
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GP2K23
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GP2K25
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GP2K28
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Displacement max
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cm3
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4,5 | 5,6 | 6,3 | 8,2 | 10,0 | 11,3 | 12,5 | 14,0 | 15,0 | 16,0 | 17,0 | 19,0 | 20,0 | 22,5 | 24,8 | 28,0 |
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Flow rate ar 1500 rpm
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l/min
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6,4 | 8,0 | 9,0 | 11,7 | 14,3 | 16,1 | 17,8 | 20,0 | 21,4 | 22,8 | 24,2 | 27,1 | 28,5 | 32,1 | 35,3 | 39,9 |
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Max. continuous pressure, P1
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bar
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250 | 220 | 210 | 190 | 170 | 150 | ||||||||||
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Max. intermittent pressure, P2
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bar
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280 | 250 | 230 | 210 | 190 | 170 | ||||||||||
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Peak pressure, P3
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bar
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300 | 270 | 250 | 230 | 210 | 190 | ||||||||||
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Max speed, nmax
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min-1
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4000 | 3500 | 3000 | 2500 | ||||||||||||
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Min. speed at P1≤100 bar, nmin
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min-1
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700 | 600 | 500 | |||||||||||||
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Weight
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kg
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2,1 | 2,1 | 2,2 | 2,2 | 2,3 | 2,4 | 2,4 | 2,6 | 2,6 | 2,7 | 2,7 | 2,8 | 2,8 | 3,0 | 3,2 | 3,4 |
| Size Group 2.5 |
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Displacement max
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cm3
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16,0 | 19,0 | 20,0 | 23,0 | 25,0 | 28,0 | 30,0 | 32,0 | 36,0 | 37,0 | 38,0 | 40,0 | 45,0 |
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Flow rate ar 1500 rpm
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l/min
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22,8 | 27,1 | 28,5 | 32,8 | 35,6 | 39,9 | 42,8 | 45,6 | 51,3 | 52,7 | 54,2 | 57,0 | 64,1 |
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Max. continuous pressure, P1
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bar
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250 | 230 | 200 | 170 | |||||||||
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Max. intermittent pressure, P2
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bar
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280 | 250 | 220 | 190 | |||||||||
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Peak pressure, P3
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bar
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300 | 260 | 240 | 210 | |||||||||
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Max speed, nmax
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min-1
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3000 | 2750 | 2500 | ||||||||||
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Min. speed at P1≤100 bar, nmin
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min-1
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700 | 600 | 500 | ||||||||||
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Weight
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kg
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4,8 | 4,9 | 5,0 | 5,1 | 5,2 | 5,3 | 5,5 | 5,6 | 5,8 | 5,8 | 5,9 | 6,0 | 6,2 |
| Size Group 3 |
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GP3K90
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Displacement max
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cm3
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20,0 | 23,0 | 25,0 | 28,0 | 32,0 | 36,0 | 40,0 | 45,0 | 50,0 | 56,0 | 63,0 | 71,0 | 80,0 | 90,0 |
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Flow rate ar 1500 rpm
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l/min
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28,5 | 32,8 | 35,6 | 39,9 | 45,6 | 51,3 | 57,0 | 64,1 | 71,3 | 79,8 | 89,8 | 101,2 | 114,0 | 128,3 |
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Max. continuous pressure, P1
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bar
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250 | 240 | 230 | 210 | 200 | 190 | 170 | 160 | 150 | |||||
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Max. intermittent pressure, P2
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bar
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270 | 260 | 250 | 230 | 220 | 210 | 190 | 180 | 170 | |||||
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Peak pressure, P3
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bar
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300 | 290 | 280 | 270 | 250 | 230 | 220 | 200 | 190 | 180 | ||||
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Max speed, nmax
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min-1
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3000 | 2500 | 2200 | |||||||||||
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Min. speed at P1≤100 bar, nmin
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min-1
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700 | 600 | ||||||||||||
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Weight
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kg
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7,0 | 7,1 | 7,2 | 7,3 | 7,4 | 7,6 | 7,7 | 7,9 | 8,1 | 8,3 | 8,5 | 8,8 | 9,2 | 9,6 |
| Size Group 4 |
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GP4K200
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Displacement max
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cm3
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63,0 | 71,0 | 80,0 | 90,0 | 100,0 | 112,0 | 125,0 | 140,0 | 150,0 | 160,0 | 170,0 | 180,0 | 190,0 | 200,0 |
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Flow rate ar 1500 rpm
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l/min
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89,8 | 101,2 | 114,0 | 128,3 | 142,5 | 159,6 | 178,1 | 199,5 | 213,8 | 228,0 | 242,3 | 256,5 | 270,8 | 285,0 |
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Max. continuous pressure, P1
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bar
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220 | 200 | 160 | 140 | ||||||||||
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Max. intermittent pressure, P2
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bar
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240 | 220 | 180 | 160 | ||||||||||
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Peak pressure, P3
|
bar
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