Pentalift Blog - Dock Levelers

What are the applications and steps for hot dip galvanizing?

Hot dip galvanizing is often specified in highly corrosive or repeated wash down applications. Common applications would be food processing facilities and chemical processing facilities. Preparing for the hot dip galvanizing process the equipment is built, tested then dismantled and sent to the galvanizer in sub-assemblies. The sub-assemblies are first dipped into an acid solution for cleaning, once cleaned dipped into a hot (approximately 850 degree) molten zinc galvanizing solution. The extreme heat of the galvanizing solution and the immersion process ensures that the complete sub assembly receives a protective coating. The sub-assemblies are then returned and the equipment re-assembled, tested and shipped.

Contact a Pentalift Sales Representative for more information.

[read more]

What is Auto Return on a dock leveler?

Auto Return is only available on hydraulic dock levelers. When the truck is backed into position and the trailer doors are open the dock attendant cycles the dock leveler. The dock leveler deck raises, the lip extends, the dock leveler is then lowered and the extended lip is positioned on the truck bed. When the truck is loaded / unloaded typically the dock attendant would cycle the dock leveler into the closed, stored position. If there is no dock attendant available the truck driver departs, the dock leveler deck and extended lip lowers to the bottom position. The hydraulic lip begins to retract and an under deck electric limit switch is then activated. The dock leveler deck automatically raises approximately 6” – 8” above the dock height, the lift motor timer shuts off and the dock leveler returns to the stored position. When the truck departed the dock leveler was automatically returned to the closed, stored position.

Contact a Pentalift Sales Representative for more information.

[read more]

What are the advantages of a vertical storing dock leveler?

Although vertical storing dock levelers are initially more expensive they can actually be more cost effective in the long run depending on the application. Vertical storing dock levelers are more energy efficient because when they are in the stored position with the overhead door closed the chance of energy loss is minimized. Vertical storing dock levelers also reduce the risk of vermin entry which is very important in any food industry. Dock seals definitely help eliminate energy loss but cannot eliminate the gaps that surround the platform of conventional pit installed dock equipment, this concern is eliminated by choosing vertical storing dock levelers. As standard vertical storing dock levelers are available in capacities ranging from 25,000 lbs to 50,000 lbs.

Contact a Pentalift Sales Representative for more information.

[read more]

Can a dock seal work in a declined dock area?

When properly specified a declined dock area can be sealed just as effective as if it was a level approach. First you determine the percentage of decline at the loading dock area, this is done by calculating the amount of rise over 50’ from the front of the dock area. For example let’s say the percentage of decline is 4 percent. For a proper seal start with 4”-6” of dock seal projection beyond the face of the dock bumper at the bottom of the side pads. Now deduct 1” of projection at the top of the side pad per percentage of decline. For example if the overall dock seal projection at the bottom is 12” (in a 4 percent declined approach) the top projection of the dock seal would be 8”. With a truck backed into position there is an even and consistent amount of dock seal compression.

Contact a Pentalift Sales Representative for more information

[read more]

Pentalift Introduces a New Model of Vehicle Restraint

The majority of vehicle restraints are fastened directly to the face of the foundation wall. In some cases the foundation wall will not withstand the forces to hold the vehicle restraint in position such as a concrete block wall or a brick wall. In new construction with the concrete pre cast (tilt up) wall the contractor often specifies that nothing is to be bolted to the face of the wall. To address a vehicle restraint installation that cannot be attached to the foundation wall Pentalift has designed a new model of vehicle restraint that is bolted down into pre cast concrete. A concrete pad is poured of sufficient depth and strength to accommodate the forces and loads to hold the truck in position. The newly released Pentalift model HFR32SM is positioned tight to the face of the foundation wall , centered under the overhead door and is bolted down into a precast concrete pad.

Contact a Pentalift Sales Representative for more information

[read more]