Pentalift News Blog

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.

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What is Pentalift LTNI?

LTNI stands for “Lift and Tilt Non-Intrusive”. Components are often shipped in bins and during the loading and unloading process a combination of a lift table and a tilter positions the bin in the most ergonomically correct position for the operator. Conventional tilters force the operator to step back when the bin is tilted towards them. In many applications where there are no space restrictions this model of lift and tilt works well. The Pentalift LTNI is a combination of a lift and tilt that does not force the operator to step backwards through its unique design. This model of lift and tilt is ideally suited for working in tight congested areas where space is premium.

Contact a Pentalift Sales Representative for more information and click here to view LTNI in operation.

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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.

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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.

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Why do higher capacity lift tables require a higher HP power unit?

Technically they don’t require a higher HP power unit to operate but almost every time they are specified. A lift table power unit consists of 5 primary components, electric motor, hydraulic pump, hydraulic valve, oil reservoir and a control station. As lift tables increase in lifting capacity more cylinders are used in the structural design to lift the load. Additional lift cylinders increase the volume of hydraulic oil required to operate the lift table. To provide a suitable lift speed a larger volume hydraulic pump is required to increase the oil flow rate to the lift cylinders. To drive the larger volume pump a higher HP electric motor is required. For example a 20,000 lb capacity lift table with a 3 HP power unit takes approximately 121 seconds to lift 59”. The same lift table equipped with a 10 HP power unit takes approximately 25 seconds to lift 59”. Higher HP power units drive higher volume pumps which increases lift speed.

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