Hydraulic Jack
E type Power Jack S (Spring return) type
72MPa(720kgf/cm2)
Designed to be lightweight and compact.
Pressure resistance test is 100% of lifting capacity, allowable lateral load is 1/20 of lifting capacity.
Sliding portion of Piston is made from copper alloy and Piston rod is made hard chromium electroplating.
Cylinder, Piston are heat treated SCM435 steels.
Port thread of coupling is NPT3/8.
E type Power Jack H (Hydraulic return) type
72MPa(720kgf/cm2)
Designed to be lightweight and compact.
Pressure resistance test is 100% of lifting capacity, allowable lateral load is 1/20 of lifting capacity.
Sliding portion of Piston is made from copper alloy and Piston rod is made hard chromium electroplating.
Cylinder, Piston are heat treated SCM435 steels.
Port thread of coupling is NPT3/8.
Install fall prevention valve to prevent the load from falling even if piping, hose gets damaged.
Consider a use of safety valve for jack, if necessary, not to block the return circuit of a double-acting jack.
For hydraulic jack with handle for hydraulic return, there are 3 items of E30H20,E30H35,E50H15.
ET type Power Jack H (Hydraulic return) type
72MPa(720kgf/cm2)
Pressure resistance test is 100% of lifting capacity, allowable lateral load is 1/20 of lifting capacity.
Sliding portion of Piston is made from copper alloy and Piston rod is made hard chromium electroplating.
Cylinder, Piston are heat treated SCM435 steels.
Port thread of coupling is Rc1/2, 3/4..
Install fall prevention valve to prevent the load from falling even if piping, hose gets damaged.
Consider a use of safety valve for jack, if necessary, not to block the return circuit of a double-acting jack.
EL type Low Profile Jack S (Spring return) type
EF type Flat Jack S (Spring return) type
72MPa(720kgf/cm2)
5 series of EL types and 5 series of EF types are standardized.
Great for fine adjustments in confirmed areas or machinery installation in extremely narrow spaces.
Pressure resistance test is 100% of lifting capacity.
Select hydraulic pumps in accordance with Jack’s connected units ＆ the above required oil volume.
Receive load over the entire area of piston head and base.
Port thread of coupling is NPT3/8.
EC type Center hole Jack S（Spring return）Type
72MPa(720kgf/cm2)
- Pressure resistance test is 100% of lifting capacity, allowable lateral load is 1/20 of lifting capacity.
- Sliding portion of piston is made from copper alloy and piston rod is made hard chromium electroplating.
- Cylinder, Piston are heat treated SCM435 steels.
- Port tread of coupling is NPT3/8.
- Even if hoses damaged, load holding valves not to fall rapidly are recommended. ( Option )
EC Type Hollow Jack H（Hydraulic return ）Type
72MPa(720kgf/cm2)
- Lightweight, easy to handle mechanism for a lot of outside work.
- Hollow of rod is applicable for tensioning such as wire , strand , bolt, rod
- When attached head cap, standard hydraulic jack can use.
- Sliding portion of piston is made from copper alloy and piston rod is 1/20 of lifting Capacity.
- Pressure resistance test is 100% of lifting capacity, allowable lateral load is 1/20 of lifting capacity.
- Cylinder, Piston are heat treated SCM435 steels.
- Select hydraulic pumps matched jack’s connected units and the below required oil volume.
- Consider a use of safety valve for jack, if necessary, not to block the return circuit of a double acting jack.
L J A Type Aluminum Jack (Spring return）Type
72MPa(720kgf/cm2)
- Main parts, such as tube and piston rod are made of aluminum(except 100A10)
- Bottom and corner parts are made of steel. (except ＬＪＡ100Ａ10).
- Sliding portion of rod is made from hard anodized aluminum to enforce wear resistance.
- Pressure resistance test is 100% of lifting capacity.
- Select hydraulic pumps matched jack’s connected units and the below required oil volume.
- Port thread of coupling is NPT3/8.
- Consider a use of safety valve for jack, if necessary, not to block the return circuit of a double acting jack.
- Avoid to use high frequency, lifting over limitation line.
JFN type Low Profile Jacks with Safety Nut S (Spring return）Type
72MPa(720kgf/cm2)
For replacement shoes, palcing at highway or viaduct for railway and other bridge between bridge stand and girder.
Equipped with safety nut for replacement of only shoe based on normal EF series.
Standardized each 4 types of JFN Type and JFNR Type ( tilting saddle ) from 100 ton to 300ton.
- Receive load over the entire area of piston head and base.
- Port thread of coupling is Rc3/8.
- Applicable for hand operated pump or electric motor driven pump. Equipped with a safety nut for load retention.
Rod returns by spring.
Usable for minor adjustment of machinery or lifting up for narrowest space.
ＺType Power Jack S（Spring return）Type
H (Hydraulic return) Type / G（Gravity return
200MPa(2000kgf/cm2)
Lightweight, compact design.
Pressure resistance test is 100% of lifting capacity, allowable lateral load is 1/50 of lifting capacity.
Piston rod is made hard chromium electroplating.
Applied to super liquid high pressure such as high pressure precision forming press, nuclear plant, ship yard, industrial diamond processing.
G Type Jack ; outer force is required when piston rod returns.
Applicable for propeller setting.
