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Low Height Self-Locking Hydraulic Jack with Outer Ring Nut

● Mechanical lock nut, which can safely support the load for a long time after the hydraulic pressure is released
● Capacity: 50-200T
● The overflow port limits the stroke to prevent the piston rod from overstretching
● Relief port limits stroke to prevent rod over travel

  • Capacity: 50-300T
  • Effective Stroke: 20-120mm
  • Closed Height: 75-260mm

Where to Buy

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Product Detail

Designed for severely restricted spaces and the necessity of long-duration mechanical support, the Low Height Outer Ring Nut Self-Locking Hydraulic Jack series is a compact powerhouse.

Distinguished by its unique low-profile architecture, solid mechanical locking capability, and versatile formats (including ultra-thin, standard low-profile, and dual-stage designs), this series serves as the premier solution for heavy lifting in tight quarters—perfect for bridge and structure maintenance, bearing exchanges, precise equipment alignment, and similar demanding applications.

Applications

Product Dimensions

double acting low profile self-locking hydraulic jack with outer ring nut

Model

Capacity

 

(T)

Closed

Height

(mm)

Stroke

 

(mm)

Effective

Area

(cm²)

Oil

Capacity

(cm³)

Cylinder

OD

(mm)

Nut OD

 

(mm)

Plunger

Diameter

(mm)

Weigh

 

(kg)

KET-RRL-200-120

200

260

120

283.38

3400

245

320

130

130

KET-RRL-300-120

300

260

120

452.16

5426

320

400

240

226.7

single acting low profile self-locking hydraulic jack with outer ring nut

Model

Capacity

 

(T)

Closed

Height

(mm)

Stroke

 

(mm)

Effective

Area

(cm²)

Oil

Capacity

(cm³)

Cylinder

OD

(mm)

Nut OD

 

(mm)

Plunger

Diameter

(mm)

Weigh

 

(kg)

KET-RCL-50-20

50

75

20

63.58

127.2

130

160

70

9

KET-RCL-50-60

50

122

60

63.58

381.5

130

160

70

14.5

KET-RCL-100-20

100

86

20

132.66

265.4

170

200

90

17

KET-RCL-100-60

100

145

60

132.66

796

170

200

90

28

single acting ultra thin self-locking hydraulic jack with outer ring nut

Model

Capacity

 

(T)

Closed

Height

(mm)

Stroke

 

(mm)

Effective

Area

(cm²)

Oil

Capacity

(cm³)

Cylinder

OD

(mm)

Nut

OD

(mm)

Plunger

Diameter

(mm)

Weigh

 

(kg)

KET-HRCL-100-10

100

45

10

143.06

143

170

198

135

9.5

KET-HRCL-150-24

150

54

24

213.72

513

215

245

165

18.2

Single acting two stage self-locking hydraulic jack with outer ring nut

Model

Capacity

 

(T)

Closed

Height

(mm)

Stroke

 

(mm)

Effective

Area

(cm²)

Oil

Capacity

(cm³)

Cylinder

OD

(mm)

Weigh

 

(kg)

KET-RDL-80-25

1st stage80

38

1st stage 11

1st stage113.04

1st stage 124.3

175×203

7

2nd stage 50

2nd stage 14

2nd stage70.84

2nd stage99.2

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