Zeman’s prop jack is manufactured from steel sheets of Esfahan’s Mobarakeh Steel Co.
The quality of the analysis of pipes and all parts used in the prop jack is St37, which is in accordance with German standard DIN 17100/80. This type of steel is special for Construction industry and Building structures, according to which the ceiling jacks are produced in Zeman co, they are capable to bear 1500 kg load.
The thickness of the pipes used in the Zeman company’s prop jack is in accordance with the customer’s request.
Although commonly pipes used in scaffolding jacks are 2 mm thick and 5 or 6 centimeters in diameter.
This kind of prop jack is the most suitable and economical tools for executing concrete slabs, iron beam and block. These jacks are produced at a height of 3 to 4.5 meters . These prop jacks also have holes to adjust the height. Cross-shaped jacks are also manufactured according to customer needs. For taller ceilings, scaffold systems are recommended.