Shandong China Coal Industrial&Mining Supplies Group Co.,Ltd
Acrow Prop,Hydraulic Acrow Prop,Hydraulic Prop
The hydraulic acrow prop is a prop consisting of two telescoping steel cylinders that are extended by hydraulic pressure that may be provided by a hand-operated pump built into the prop. The hydraulic support prop holds about half a gallon of mineral oil and is fitted with a yield valve that relieves the pressure when the load exceeds that for which the prop is set. A Hydraulic Acrow Prop enables quicker setting and uniform initial loading, and it can be withdrawn from a remote, safe position.
Support the rock face of the roof and the roof down, to ensure a safe working space.
Underground transport of hydraulic acrow prop is convenient, face and easy to use, easy to move, easy maintenance, save labor, time, effort, provincial money, peace of mind.
capping, handle body, returning spring, base body, three-use valve, hydraulic cylinders, upper prop, sealing, etc.