POM-A Minimum-quantity Pneumatic Grease Lubricator
Metered lubrication
Pneumatic control
Adjustable discharge volume
Minimum-quantity oil lubricators are also available.
1. Metered lubrication with discharge adjustable from 0.01cc to 0.08cc.
2. Two drive methods control operating frequency: (a) A pneumatic frequency generator allows adjustment of stroke frequency and has a service life of 10 million cycles. (b) A voltage-driven solenoid valve allows precise PLC control of stroke frequency by switching the air supply ON/OFF and has a service life of 2 million cycles.
3. Recommended operating air pressure: 4–8 kgf/cm².
4. Up to two grease outlets can be provided as required. Do not plug either outlet.
5. A delivery adjustment valve sets the discharge quantity for each stroke. The valve is secured using a locking hole to prevent unintended changes to the discharge setting.
6. Optional reed switches can be fitted to grease outlets to check whether strokes operate correctly.
7. An optional reed-switch oil-level detector can monitor level and send a signal automatically.
8. Can be used with an OT spray gun with a φ4 oil inlet to spray grease.
9. Fill the POM-A reservoir through the grease nipple to prevent air and foreign matter from entering.
10. POM-AP-07 must be used with a 700 cc bellows-type grease cartridge. Replace the empty cartridge without time-consuming refilling. Cartridges are sold separately; refer to the bellows-type grease cartridge ordering codes.
◆ Dimensions
| Model | Reservoir capacity. | Mounting hole pitch F (mm) | Number of oil-air outlets | Length L (mm) | Width W (mm) | Height H (mm) | Weight (kg) |
| POM-A-35 | 1000cc | 115 | 1 | 150 | 125 | 261 | 1.67 |
| 2 | 290 | 2.08 | |||||
| POM-A-50 | 2000cc | 115 | 1 | 154 | 135 | 346 | 2.02 |
| 2 | 374 | 2.43 |
◆ Specifications
| Drive method | Solenoid valve | Frequency generator. | ||
| Voltage | AC110V | AC220V | DC24V | -- |
| Current | 0.1A | 0.1A | 0.2A | -- |
| Operating air pressure range | 4-8kgf/cm² | |||
| Discharge Volume | 0.01cc–0.08cc per stroke (adjustable) | |||
| Compressed-air inlet diameter | Ø8 | |||
| Oil Outlet Size | Ø4 | |||
| Reed-type Oil Level Sensor | Optional (NC or NO contact). | |||
| Magnetic reed switch. | Optional (NC or NO contact). | |||
| Applicable Oil Viscosity | NLGI 000~0 | |||
Reed-type oil level sensor contacts: NO sends a signal when oil is present; NC sends a signal when oil is absent.
Reed switch contacts: NO sends a signal when stroke operation is normal; NC sends a signal when stroke operation is abnormal.
◆ Ordering Code
| Model | Tank Capacity | Number of oil-air outlets | Drive method | Oil Outlet Size | Special Requirements | |||||
| POM-A | 35 | 1 | 1 | 0 | ※ | |||||
| 35 | 1000cc | 1 | 1 piece. | 1 | Frequency generator. | 0 | Ø4 | RC | Add a magnetic reed oil-level detector, NC contact. | |
| 50 | 2000cc | 2 | 2 pieces. | A | Solenoid valve AC 110 V. | RO | Add a magnetic reed oil-level detector, NO contact. | |||
| C | Solenoid valve AC 220 V. | TC | Add a magnetic reed switch, NC contact. | |||||||
| K | Solenoid valve DC 24 V. | TO | Add a magnetic reed switch, NO contact. | |||||||
◆ Installation diagram.
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