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US-AH
USUN
US-AH170/US-AH240/US-AH300/US-AH400
Our USUN Model :US-AH type Customized stainless steel frame air driven hydraulic pressure pump system with gauges and valves and stainless steel frame
General Information for Air driven liquid pumps
USUN air driven liquid pumps are ratio devices that utilize low pressure compressed air driving a larger diameter piston (area x pressure) which is linearly connected to a smaller hydraulic piston/plunger. Using this ratio principal, a higher hydraulic pressure can be generated.
Usun Pump model numbers reflect the pumps nominal pressure ratio, while the technical data indicates exact ratios.
The outlet stall pressure is easy to set by adjusting the air drive pressure through a simple air pressure regulator.
By multiplying the pressure ratio by the available shop air pressure, the nominal liquid pressure can be calculated.
1. AIR DRIVE SECTION
The air drive section consists of a light weight piston complete with seals running inside an aluminum barrel.
The diameter of the air piston is 80mm. When compressed air is supplied to the pump the air pushes the air piston down on a compression stroke( forces fluid out of the liquid end).
Under the control of pilot pins (poppet valve) triggered at each end of the stroke.
2. HYDRAULIC SECTION (Wetted End)
The hydraulic section of an air driven liquid pump consists of 4 main pieces, the hydraulic body,the piston/plunger, the check valves and the main high pressure seal.
The hydraulic piston/plunger is directly linked to the air piston and it is housed inside the hydraulic body and its movement up and down creates the liquid flow into and out of the pump through the check valves.
The check valves are spring loaded and on the suction stroke the inlet check valve opens to the maximum allowing fluid into the hydraulic body and on the compression stroke the inlet check valve closes and the discharge check valve opens forcing the pumped fluid into the process.
The main high pressure seal is located within the hydraulic body and the piston/plunger seals against this during operation.
There are different materials and designs of high pressure seals depending on the fluid being pumped and the maximum pressures of the pump, however the standard seals are suitable for both water and hydraulic fluid use.
USUN air driven liquid pumps are self-priming, However, high ratio pumps are more difficult to Prime and may require bleeding. In general, it is not recommended to use an air- line lubricator.
Typical applications for air driven Liquid pumps
Key features
One model available in 8 ratios
Compatibility with a variety of liquids
Safe pneumatic operation
Aluminum bodies and wetted materials of carbon steel or stainless steel
Rugged,compact,reliable and easy maintenance proven design
High quality seals, long service life available
No need for air line lubrication
Wide application with large range of pressure ratio
Main technical data
Typical technical data for air driven liquid pumps system
List items | Function |
1) Air regulator valve | Adjustable air regulator used to adjust the air driven pressure ( 0-10 bar) |
2) Air pressure gauge | Indicates the air driven pressure |
3) liquid outlet pressure gauge | Indicates the outlet Liquid boosted pressure |
4) Hand drive switch | Used to adjust the system on/off |
5) Outlet needle valve | Used to stop the booster when outlet pressure reaches the adjusted set point |
6) Uploading needle valve | Used to protect the booster and other components over pressurization and release the high pressure |
7) AH type single action Mini air driven hydraulic pump | Used to increase the pressure from low pressure to high pressure |
8) Liquid filter | Our standard system does not include such part ,if you need ,should inform in advance |
9) Hydraulic tank (5L) | 5 liters hydraulic tank for standard liquid pump system |
10) Frame type | Stainless steel frame and it is esy to move with wheels |
Remark 1) Maxium outlet pressure are at an air driven pressure of 8 bar or 116 PSI ,for long life using of such pump ,we suggest that air driven pressure should be not more than 8 Bar .
AH pump system drawing
Typical diagram of such air driven liquid pumps
