PA-40 pneumatic grease pump without reservoir | Adjustable flow rate
ILC PA-40 pneumatic grease pump without reservoir with an adjustable flow rate from 0.3 to 2 cc per cycle. The pump operates with filtered, dry compressed air from 4 to 8 bar. Thanks to the adjustable flow rate, the grease delivery can be adapted to the application. The pump is suitable for automatic centralized lubrication systems and can be combined with progressive DPX, DMX or DPL distributors.
Specifications
| Code | 90.350.3 |
| Pumping system | Single-acting pneumatic piston |
| Lubricant | Grease |
| Reservoir capacity | Without reservoir |
| Flow rate/cycle | Adjustable |
| Lubricant specification | Grease: min. NLGI 000 – max. NLGI 2 |
| Compressed air pressure | 4-8 bar |
| Compressed air connection | G 1/8 UNI – ISO 228/1 |
| Pump outlet | G 1/8 UNI – ISO 228/1 |
| Compression ratio | 40:1 |
| Minimum cycle time | 15 s |
| Operating temperature | -20 to +80 °C, with suitable lubricants |
| Storage temperature | 0 to +50 °C |
| Maximum relative humidity | 90% (without condensation) |
| Sound pressure level | < 70 dB(A) |
Operation of the PAG-40
The pump operates in two phases: the discharge phase and the suction phase.
During the discharge phase, compressed air enters the pneumatic cylinder. The air moves the piston, increasing the grease pressure inside the hydraulic cylinder. The grease is then forced out of the cylinder through the discharge valve. To complete this cycle, the compressed air must be maintained for at least 10 seconds.
During the suction phase, the compressed air is released. The return spring pushes the piston back, creating a vacuum that draws grease into the hydraulic cylinder. To complete this phase, the compressed air must be released for at least 5 seconds.
For correct operation, a device is required upstream of the pump to regulate the compressed air supply. The pump is designed to operate at an air pressure of 4 to 8 bar.
The PAG-40 is equipped with a minimum level sensor. When the reserve level of 100 cc is reached, the sensor sends a signal.
All information: PAG/PAO User manual
Adjusting the flow rate
To adjust the flow rate, first loosen the lock nut (1). Then turn the hex socket adjustment screw (2). Turning clockwise decreases the flow rate to a minimum of 0.3 cc/cycle. Turning counterclockwise increases the flow rate to a maximum of 2 cc/cycle. After adjustment, tighten the lock nut again.
The relationship between the distance L between the two nuts and the flow rate is shown in the table below. After completing the adjustment, tighten the nut (1) again.
Hydraulic scheme
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ILC Lube is a leading manufacturer of lubrication systems and equipment for diverse industries. The company offers a comprehensive range of lubrication systems, including progressive lubrication systems, metering systems, single and multiple metering valves, and manual lubrication systems. ILC Lube is known for its high-quality, custom-made lubrication systems and has built a global reputation for quality, reliability, and durability. Their lubrication systems are used in various industries, including metal, paper, food, automotive, and machine construction.
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As lubrication specialists, we understand that each type of machine is unique and that operational conditions, such as ambient temperature and location, influence the selection of the most suitable lubrication method. If you need assistance in finding the ideal solution that meets your specific lubrication needs, we are ready to provide you with excellent advice. We offer solutions with an optimal price-performance ratio and would be happy to visit you on-site to provide tailored recommendations. Don’t hesitate to contact us.
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