Product Introduction

Double-acting hollow jack: also called tension jack, through-hole jack, hollow plunger jack, it is easy to operate and has a long service life. It is widely used in prestressed construction, bridge construction, road and railway construction, power plant construction, equipment lifting, mechanical disassembly, etc. The center hole can be used for wires, steel bars, etc. The center hole diameter can be processed according to user needs. The one-way jack is single-acting and has a spring return, which is suitable for shorter strokes. If a larger hollow jack stroke is required, please choose a double-acting hollow jack.
 
RRH double-acting hollow plunger jack (double-acting hollow jack) If a shorter hollow jack stroke is required, please choose RCH single-acting hollow jack, which can be customized according to customer requirements

Product Parameters