Double Acting Hydraulic Jack

High pressure hydraulic jack is powered by ZB series of high pressure electric oil pump, the function for oil pressure rebound, overflow, it is designed a safe protect pressurizer, it can protect emergent over pressure, especial construction can protect cylinder. Hydraulic cylinder can bear partial loading is 5% of rated pressure. High pressure alloy cylinder is very durable, especially in the larger project, it is easily to be operated and control. It can be used for lifting heavy machine, bridge project, hydraulic engineering, harbour construction and other equipment. It has large output, light weight, remote control and other advantages, it can match with our high pressure oil pump, it can reach jack, push,pull and extrusion and kinds of working.

Features

1.Integral stop ring provides piston blow-out protection.

2. Double-acting for positive retraction.

3.Baked enamel outside finish and plated pistons provide superior corrosion resistance.

4.Safety valve in retract side of cylinder helps to prevent damage in case of accidental over-pressurization.

5. Interchangeable, hardened grooved saddles are standard.

6.Plunger wiper reduces contamination, extending cylinder life

Technical parameters
Mode	Tonnage T	Stroke mm	Closed height mm	Extend height mm	Outer diameter of oil cylinder mm	Dimension of plunger mm	Dimension of oil pump mm	Pressure
STQ50-200	50	200	325	525	127	70	100	63Mpa
STQ100-200	100	200	350	550	180	100	140	63Mpa
STQ150-200	150	200	360	560	219	125	180	63Mpa
STQ320-200	320	200	410	610	330	180	250	63Mpa
STQ400-200	400	200	460	660	380	200	290	63Mpa
STQ630-200	630	200	517	717	500	250	360	63Mpa
STQ1000-200	1000	200	630	830	600	320	450	63Mpa
Remark: The tonnage and stroke can be customized as requirements.

Detailed photos

application