Product introduction

Double-acting hollow jack: also called tension top, penetrating top, hollow plunger top, with convenient operation and long service life, widely used in prestressed construction, bridge repair, 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 can be processed according to the user's needs. The one-way top is single-acting, the spring return is suitable for short stroke. If the hollow top stroke is required, please choose double-action hollow jack. . 
 
RRH double-acting hollow plunger jack (double-acting hollow jack) If the hollow top stroke is required to be short, please use RCH single-acting hollow jack to be customized according to customer requirements.