Pentalift Blog - Improved Process Makes

What Is The Purpose Of Drive On Lift Tables And What Are Their Common Applications?

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What Is An FRL On An Air Operated Lift Table?

FRL stands for Filter Regulator and Lubricator. In some applications, depending on vertical travel, an air bag lift table will not be suitable. The alternative is a hydraulic lift table with an air motor operated power unit. It requires compressed air to operate this motor and there are some maintenance factors to maintain efficient operation of the motor. These components are often referred to as an FRL. F – Filter: compressed air that has a high moisture content which is best to remove before it is pumped to the air motor. That’s the function of the filter. R – Regulator: the regulator is in the system to regulate and maintain the PSI rating (pounds per square inch) to efficiently operate the air lift motor. L-Lubricator: the filter removes the moisture from the compressed air and the lubricator adjusts and meters a quantity of lubrication into the compressed air. This process happens before the compressed air reaches the air motor. This light lubrication maintains the efficiency of the air motor operation.

Contact a Pentalift Sales Representative for more information.

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What Are the Benefits of Interlocking Overhead Doors to Loading Dock Equipment?

If you have both a hydraulic dock leveler and an overhead door in the closed position and try to operate the dock leveler, the power of the dock leveler will damage the locked overhead door. If you have a vertical storing dock leveler in the rest (vertical) position and try and operate (lower) it when an overhead door is in the closed position, the dock will cause severe damage by impacting with the overhead door. In order to ensure that the dock leveler will not be able to operate when the overhead is in the closed position, you can equip the overhead door with an electronic interlock switch. Pit installed dock levelers or vertical storing dock levelers will only work if the overhead door is open.

Contact a Pentalift Sales Representative for more information.

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Why Are There So Many Horse Power Ratings For Lift Tables?

The reason lift tables have various horse power ratings is strictly to achieve typical speeds of vertical travel. The quicker the oil can be pumped into a cylinder, the quicker the cylinder extends, increasing the lift speed. Generally, the higher the capacity of the lift table, the more cylinders the lift table will require. In order to maintain typical lift speeds of 10 – 12 feet per minute, a higher rated power unit is used to achieve these speeds.

Contact a Pentalift Sales Representative for more information.

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“Pentaflow Cylinders vs. Regular Cylinders”

Pentaflow lift cylinders are unique. In the base of the cylinder piston there is a port. This port is sealed by a ball to prevent oil from passing through. When oil is pumped into the cylinder, the cylinder extends. When the cylinder is at full extension, an actuator pushes the ball off the port which allows oil to return to the reservoir. This prevents the cylinder from dead ending. This also helps bleed any air inside of the hydraulic system. When the cylinder retracts, it siphons hydraulic oil into the top of the cylinder keeping all components of the cylinder lubricated.

Contact a Pentalift Sales Representative for more information.

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