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AHP3.6, AHP5.0, AHP6.2 series high pressure pumps are positive displacement pumps, with five axial pistons that move a fixed amount of water in each cycle. Flow is proportional to the number of input shaft revolutions(rpm). Unlike centrifugal pumps, they produce the same flow at a given speed independently of no matter what the discharge pressure.
① Simple structure, small size, light weight, one of the smallest and lightest pumps on the market
② Low pressure fluctuation and high working pressure
③ Usually driven by an electric motor; if a special coupling is used, it can be driven by an internal combustion engine
④ No need for lubricating oil, long maintenance period, no preventive maintenance during the warranty period
⑤ The pressure pulse generated in the pressure pipeline is extremely small, the vibration is small, and the noise is low
⑥ All parts of the pump are made of 304 stainless steel, 316 stainless steel and 431 stainless steel.
⑦ High efficiency, volumetric efficiency up to 95%.
| Specification | AHP3.6 | AHP5.0 | AHP6.2 |
| Geometric displacement cm3/rpm | 3.6 | 5 | 6.2 |
| Maximum continuous working pressure bar | 160 | 160 | 160 |
| Peak pressure bar | 180 | 180 | 180 |
| Maximum speed rpm | 1800 | 1800 | 1800 |
| Minimum speed rpm | 700 | 700 | 700 |
| Flow (1500 rpm) L/Min | 5 | 6.7 | 8.4 |
| Working noise (1m distance) dB | <75 | <75 | <75 |
| Power (maximum working pressure) kW | 1.8 | 2.4 | 3 |
| Weight Kg | 3.7 | 3.7 | 3.7 |
If the required flow rate (m3/h) and speed (rpm) are known, it will be easy to select the most suitable pump by using the figure below.
Not only that, the graph also shows that the flow rate can vary with the speed of the pump. The flow/speed ratio is fixed, and the required flow can be obtained by changing the speed to the corresponding value.
| Pump Model | Flow | Pressure | Rotating Speed | |||
| L/min | m3/h | 60Bar | 80Bar | 160Bar | rpm | |
| AHP3.6 | 5 | 0.36 | 1.1kW | 1.1kW | 2.2kW | 1800 |
| AHP5.0 | 6.7 | 0.48 | 1.1kW | 1.5kW | 3.0kW | 1800 |
| AHP6.2 | 8.4 | 0.6 | 1.5kW | 2.2kW | 4.0kW | 1800 |
The AHP series axial piston pump can directly supply water from the feed water pump. The pressure of the axial piston pump inlet must be within the range of 0.5-5 Bar (0.05-0.5Mpa or 7.3-72.5psi).
Unit conversion relationship: 1.0Mpa＝10Bar，1.0Mpa＝145psi
Fluid temperature: +2°C ～ +50°C
Ambient temperature: +2°C ～ +50°C
All key components of AHP series axial piston pumps are made of 304 stainless steel, 316 stainless steel and 431 stainless steel.
The AHP series axial piston pump must not be used in sewage or other water containing particles.
Storage temperature: -40°C to +70°C (the pump has been emptied and sealed for storage).
Antifreeze is required when the temperature is lower than 2°C. We recommend using Dow Cal-N from DuPont Chemical Company or Chill safe Propylene Glycol from Ark man Chemical Company.
Please refer to "Technical Data Sheet" for specific noise values.
Under normal circumstances, the noise will be reduced when the speed is reduced, and vice versa. Flexible hoses can be used to minimize vibration and noise.
Since the axial piston pump (group) is usually installed on a bell-shaped cover or base, the noise level can only be determined by the entire system. Therefore, the correct use of shock absorbers to install the pump set on the base is extremely important to reduce vibration and noise.
The noise level is affected by the following factors:
The speed of the pump, high speed produces more noise than low speed.
The rigid installation of the pump generates more noise than the flexible installation.
Compared with the connection through a hose, the direct connection of the pipe to the pump will increase the noise.
Due to the very low viscosity of water, in order to control the internal leakage rate and improve the performance of the components, the clearance of the AHP series axial piston pump is designed to be very small. Therefore, proper filtration of inlet water is essential to minimize pump wear.
The main filter must have a filtration efficiency of 99.98% for particles above 10 µm. It is recommended to use a precision depth filter element with a rated accuracy of 10 µm (absolute accuracy) and ß10>5000 (equivalent to a filtration efficiency of 99.98%). Filter bags and wound filter elements usually only have a filtration efficiency of 90%, which means that for every 100,000 particles reaching the filter, there are 10,000 passing through, compared to only 20 passing through a filter with an efficiency of 99.98%.
| PUMP MODEL | AHP3.6~AHP6.2 |
| Flat key (mm) | 5×5×12 |
| Exhaust Plug | 5mm inner hexagon |
| Inlet Interface | G1/2，Depth 13mm |
| Outlet Interface | G1/2，Depth 13mm |
Unit: mm
| Model | A | B | C | D | E | F | G | H | I | J | K | L | IEC motor |
| AHP3.6-6.2 | 246 | 182 | 140 | 10 | 245 | 90 | 548 | 100 | G1/2 | 133 | 100 | 315 | 1.1KW, 4P |
| 246 | 182 | 140 | 10 | 245 | 90 | 578 | 100 | G1/2 | 133 | 100 | 345 | 1.5KW, 4P | |
| 265 | 200 | 160 | 12 | 265 | 100 | 658 | 140 | G1/2 | 133 | 120 | 405 | 2.2KW, 4P | |
| 265 | 200 | 160 | 12 | 265 | 100 | 658 | 140 | G1/2 | 133 | 120 | 405 | 3KW, 4P | |
| 305 | 225 | 190 | 12 | 305 | 112 | 643 | 140 | G1/2 | 133 | 120 | 390 | 4KW, 4P |
Unit: mm
| Model | A | B | C | D | E | F | G | H | I | J | K | L | IEC Motor |
| AHP3.6-6.2 | 246 | 182 | 140 | 10 | 245 | 90 | 578 | 100 | G1/2 | 133 | 100 | 345 | 1.1KW, 4P |
| 246 | 182 | 140 | 10 | 245 | 90 | 603 | 100 | G1/2 | 133 | 100 | 370 | 1.5KW, 4P | |
| 265 | 200 | 160 | 12 | 265 | 100 | 648 | 140 | G1/2 | 133 | 120 | 395 | 2.2KW, 4P | |
| 265 | 200 | 160 | 12 | 265 | 100 | 648 | 140 | G1/2 | 133 | 120 | 395 | 3KW, 4P | |
| 305 | 225 | 190 | 12 | 305 | 112 | 673 | 140 | G1/2 | 133 | 120 | 420 | 4KW, 4P |
The figure below shows how the pump is connected to the motor.
A: Pump spindle
B: Flexible coupling
C: Bell cover
The meticulous design makes the AHP series of axial piston pumps long running time, low maintenance requirements, and reduces life cycle costs.
If the AHP series axial piston pump runs under the specified pre-filtration, pressure and speed conditions, we provide an 8000-hour maintenance-free warranty, but the maximum period from the date of production does not exceed 18 months.
In order to prevent the pump from being completely damaged, it is recommended that you inspect the pump at most 8000 hours, at which time any worn parts must be replaced.
AHP series axial piston pump uses water as lubricant, so there is no oil in the pump.
The AHP series axial piston pump is not expected to be replaced during the initial 8000 hours of operation.
AHP3.6, AHP5.0, AHP6.2 series high pressure pumps are positive displacement pumps, with five axial pistons that move a fixed amount of water in each cycle. Flow is proportional to the number of input shaft revolutions(rpm). Unlike centrifugal pumps, they produce the same flow at a given speed independently of no matter what the discharge pressure.
① Simple structure, small size, light weight, one of the smallest and lightest pumps on the market
② Low pressure fluctuation and high working pressure
③ Usually driven by an electric motor; if a special coupling is used, it can be driven by an internal combustion engine
④ No need for lubricating oil, long maintenance period, no preventive maintenance during the warranty period
⑤ The pressure pulse generated in the pressure pipeline is extremely small, the vibration is small, and the noise is low
⑥ All parts of the pump are made of 304 stainless steel, 316 stainless steel and 431 stainless steel.
⑦ High efficiency, volumetric efficiency up to 95%.
| Specification | AHP3.6 | AHP5.0 | AHP6.2 |
| Geometric displacement cm3/rpm | 3.6 | 5 | 6.2 |
| Maximum continuous working pressure bar | 160 | 160 | 160 |
| Peak pressure bar | 180 | 180 | 180 |
| Maximum speed rpm | 1800 | 1800 | 1800 |
| Minimum speed rpm | 700 | 700 | 700 |
| Flow (1500 rpm) L/Min | 5 | 6.7 | 8.4 |
| Working noise (1m distance) dB | <75 | <75 | <75 |
| Power (maximum working pressure) kW | 1.8 | 2.4 | 3 |
| Weight Kg | 3.7 | 3.7 | 3.7 |
If the required flow rate (m3/h) and speed (rpm) are known, it will be easy to select the most suitable pump by using the figure below.
Not only that, the graph also shows that the flow rate can vary with the speed of the pump. The flow/speed ratio is fixed, and the required flow can be obtained by changing the speed to the corresponding value.
| Pump Model | Flow | Pressure | Rotating Speed | |||
| L/min | m3/h | 60Bar | 80Bar | 160Bar | rpm | |
| AHP3.6 | 5 | 0.36 | 1.1kW | 1.1kW | 2.2kW | 1800 |
| AHP5.0 | 6.7 | 0.48 | 1.1kW | 1.5kW | 3.0kW | 1800 |
| AHP6.2 | 8.4 | 0.6 | 1.5kW | 2.2kW | 4.0kW | 1800 |
The AHP series axial piston pump can directly supply water from the feed water pump. The pressure of the axial piston pump inlet must be within the range of 0.5-5 Bar (0.05-0.5Mpa or 7.3-72.5psi).
Unit conversion relationship: 1.0Mpa＝10Bar，1.0Mpa＝145psi
Fluid temperature: +2°C ～ +50°C
Ambient temperature: +2°C ～ +50°C
All key components of AHP series axial piston pumps are made of 304 stainless steel, 316 stainless steel and 431 stainless steel.
The AHP series axial piston pump must not be used in sewage or other water containing particles.
Storage temperature: -40°C to +70°C (the pump has been emptied and sealed for storage).
Antifreeze is required when the temperature is lower than 2°C. We recommend using Dow Cal-N from DuPont Chemical Company or Chill safe Propylene Glycol from Ark man Chemical Company.
Please refer to "Technical Data Sheet" for specific noise values.
Under normal circumstances, the noise will be reduced when the speed is reduced, and vice versa. Flexible hoses can be used to minimize vibration and noise.
Since the axial piston pump (group) is usually installed on a bell-shaped cover or base, the noise level can only be determined by the entire system. Therefore, the correct use of shock absorbers to install the pump set on the base is extremely important to reduce vibration and noise.
The noise level is affected by the following factors:
The speed of the pump, high speed produces more noise than low speed.
The rigid installation of the pump generates more noise than the flexible installation.
Compared with the connection through a hose, the direct connection of the pipe to the pump will increase the noise.
Due to the very low viscosity of water, in order to control the internal leakage rate and improve the performance of the components, the clearance of the AHP series axial piston pump is designed to be very small. Therefore, proper filtration of inlet water is essential to minimize pump wear.
The main filter must have a filtration efficiency of 99.98% for particles above 10 µm. It is recommended to use a precision depth filter element with a rated accuracy of 10 µm (absolute accuracy) and ß10>5000 (equivalent to a filtration efficiency of 99.98%). Filter bags and wound filter elements usually only have a filtration efficiency of 90%, which means that for every 100,000 particles reaching the filter, there are 10,000 passing through, compared to only 20 passing through a filter with an efficiency of 99.98%.
| PUMP MODEL | AHP3.6~AHP6.2 |
| Flat key (mm) | 5×5×12 |
| Exhaust Plug | 5mm inner hexagon |
| Inlet Interface | G1/2，Depth 13mm |
| Outlet Interface | G1/2，Depth 13mm |
Unit: mm
| Model | A | B | C | D | E | F | G | H | I | J | K | L | IEC motor |
| AHP3.6-6.2 | 246 | 182 | 140 | 10 | 245 | 90 | 548 | 100 | G1/2 | 133 | 100 | 315 | 1.1KW, 4P |
| 246 | 182 | 140 | 10 | 245 | 90 | 578 | 100 | G1/2 | 133 | 100 | 345 | 1.5KW, 4P | |
| 265 | 200 | 160 | 12 | 265 | 100 | 658 | 140 | G1/2 | 133 | 120 | 405 | 2.2KW, 4P | |
| 265 | 200 | 160 | 12 | 265 | 100 | 658 | 140 | G1/2 | 133 | 120 | 405 | 3KW, 4P | |
| 305 | 225 | 190 | 12 | 305 | 112 | 643 | 140 | G1/2 | 133 | 120 | 390 | 4KW, 4P |
Unit: mm
| Model | A | B | C | D | E | F | G | H | I | J | K | L | IEC Motor |
| AHP3.6-6.2 | 246 | 182 | 140 | 10 | 245 | 90 | 578 | 100 | G1/2 | 133 | 100 | 345 | 1.1KW, 4P |
| 246 | 182 | 140 | 10 | 245 | 90 | 603 | 100 | G1/2 | 133 | 100 | 370 | 1.5KW, 4P | |
| 265 | 200 | 160 | 12 | 265 | 100 | 648 | 140 | G1/2 | 133 | 120 | 395 | 2.2KW, 4P | |
| 265 | 200 | 160 | 12 | 265 | 100 | 648 | 140 | G1/2 | 133 | 120 | 395 | 3KW, 4P | |
| 305 | 225 | 190 | 12 | 305 | 112 | 673 | 140 | G1/2 | 133 | 120 | 420 | 4KW, 4P |
The figure below shows how the pump is connected to the motor.
A: Pump spindle
B: Flexible coupling
C: Bell cover
The meticulous design makes the AHP series of axial piston pumps long running time, low maintenance requirements, and reduces life cycle costs.
If the AHP series axial piston pump runs under the specified pre-filtration, pressure and speed conditions, we provide an 8000-hour maintenance-free warranty, but the maximum period from the date of production does not exceed 18 months.
In order to prevent the pump from being completely damaged, it is recommended that you inspect the pump at most 8000 hours, at which time any worn parts must be replaced.
AHP series axial piston pump uses water as lubricant, so there is no oil in the pump.
The AHP series axial piston pump is not expected to be replaced during the initial 8000 hours of operation.
