Pentalift News Blog

What are the flaps on the front of dock seals for?

Flaps or as they are commonly referred to as “wear pleats” extend the life of a compression style dock seal. With the truck backed into position there should be 4” -6” of dock seal foam compression, this amount of compression provides the best seal. As the truck is loaded or unloaded it is natural for the truck bed to move up and down. The trucks up and down movement has an abrasive effect on the front of the dock seal side pads, the wear pleats provide an outer layer of protection that allows movement with the truck bed and extends the life of the dock seal.

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Are lift table accordion bellows a safety device?

Although there is a common perception that accordion bellows are a safety device they are not promoted as such. The primary purpose of lift table accordion bellows is to prevent debris from getting under the lift table and interfering with the leg rollers, power unit etc. Many companies mandate that all lift tables within their facility be equipped with accordion bellows to prevent debris from getting under the platform and the yellow accordion bellows also serve as a highly visible signal that equipment is in motion.

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What is the most common error made when choosing a dock seal?

Compression, with foam pad dock seals the amount of compression is very important. Too little compression results in not enough of a sealing factor, too much compression puts excess pressure on the building wall and causes premature failure of the dock seal. It’s very easy to calculate the correct amount of dock seal compression; measure from the wall the dock seal will be installed on to the face of the dock bumper and add 4”– 6”. 4”-6” of dock seal projection beyond the face of the dock bumper provides the ideal seal.

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When would you order a lift table with a remote power unit?

When would you order a lift table with a remote power unit? Many designs of lift tables have the electric power units designed to be self-contained or internal. In some cases such as a wash down application, a paint shop environment etc. it is common to order the lift table with a remote power unit to avoid potential sparking. The speed of a lift table is often an important factor in a lift table application, to increase the lift/lower speed a larger pump/motor assembly is required and physically will not fit under the lift table. Lift tables are generally trouble free however some company’s maintenance departments prefer all power units be remote and readily accessible in the event of a maintenance requirement.

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What to Look for When Purchasing a Dock Lift.

When selecting a dock lift, you want to make sure you find the most appropriate one for your application. The 5 main things to look for when choosing a dock lift would be whether the equipment is going to be floor mounted or pit installed, platform dimensions, what the lifting and roll over capacities will be, bridge lengths and what voltage will be offered to the dock lift at the place of installation. The manufacturer needs to know whether the equipment is going to be pit installed or placed on the floor so that the correct safety features can be incorporated. The manufacturer must also know what platform size and the required capacity of the equipment to ensure safe and stable use in the work area. A dock lift manufacturer must also know the distance a truck will be from the dock lift when loading and unloading, to ensure the correct bridges are equipped for safe and sturdy use. A manufacturer must also know the available supply voltage to ensure the right power unit is equipped for the dock lift. While there may be additional detail questions, most dock equipment manufactures will be able to supply at least a concept and budget price once they have the above information.

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