Products

Hollow Hydraulic Torque Wrench Systems

Designed for high-strength bolting applications in confined spaces, offering precise torque output, compact structure, and complete hydraulic drive solutions.

1.Compact Hollow Design
2.High Torque Accuracy
3.Ultra Slim Head Options
4.Durable Industrial Construction

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Product Overview

 Product Details 

Section 1:LOW Series Of Hollow Hydraulic Torque Wrench

1.Max working pressure up to 70MPa, accuracy up to ±3%
2.A total of six models from 232- 44593Nm 
3.360°x180°and 360°x360°rotation hose connectors optional, used without limited space
4.Integrated lengthen design, longer arm, reliability enhanced
5.Aluminum and titanium alloy forming body, high strength, high toughness
6.New type anti - loose joints to ensure the oil flows smoothly
7.Anti-stop pawl design can prevent the wrench ratchet from reversing, higher work efficiency and torque accuracy
8.Hollow design, wrench directly acts on the nut, more accurate torque and lighter
Model
Torque Range(N.m)
A/F(mm)
Drive Head
Weight(kg)
Working Head
Weight(kg)
L
H1
H2
W1
W2
2LOW
232-2328
19-55 0.9 1.5 196 126
102
32
51
242-2414
60 0.9 1.5 196
129
105
32
51
4LOW
585-5858
34-65
1.7 3.4 258
163
136
42
66
647-6474
70-80
1.7 3.4 263
173
146
42
66
8LOW
1094-10941
41-95
3.0
6.3
300
192
168
53
83
1177-11774
100-105
3.1
6.3
311
201
177
53
83
14LOW
1852-18521
50-117
4.6
11.4
360
225
204
64
99
18LOW
2695-26958
65-130
6.5
14.3
388
264
231
71
109
30LOW
4188-41882
110-155
10.4
20.5
430
303
272
85
131
4459-44593
160-175
10.4
20.5
441
315
285
85
131

Section 2:Ultra-Thin Hollow-Type Hydraulic Torque Wrench - LOW-CP Series

1.High torque, lighter weight, and low-profile design 
2.Double-acting, high-speed, and large rotation angle 
3.Compatible with multiple replaceable working heads (optional)
4.360° rotating hose connector, suitable for compact spaces and easy positioning
5.Torque range: 232–44,593 N·m; torque accuracy up to ±3% 
6.The wrench components are fully designed for high strength, with an integral reaction arm. It features no space restrictions during use, and is durable and reliable 
7.Expandable metric and imperial hex inserts and sockets 
8.Maximizes the use of high-strength lightweight metals 
9.Customized design available for special requirements
Model
Torque Value (N·m)
Nut Opposite Side (mm)
L (mm)
H1 (mm)
H2 (mm)
W1 (mm)
W2 (mm)
Power Head Weight (kg)
Working Head
2LOW-CP
232-2328
19-55
196
102 126
32
66
1.2
1.6
241-2414
60
196
105
129
32
66
1.2
1.7
3LOW-CP
475-3327
46-60
196
113
201
38
77
1.5
2.2
4LOW-CP
585-2510
34-36
245
136
177
42
77
2.3
4.4
585-5021
41
245
136
177
42
77
2.3
4.4
585-5858
41-65
246
146
187
42
77
2.3
4.6
647-6474
70-80
246
146
187
42
77
2.3
4.6
8LOW-CP
1094-10941
41-95
300
169
207
53
77
3.3
8
1177-11774
100-105
301
179
216
53
77
3.3
8.4
14LOW-CP
1852-18521
50-115
361
204
239
64
99
5.5
11.5
18LOW-CP
2695-26958
65-130
388
231
264
71
109
6.5
14.3
32LOW-CP
4188-41882
110-155
430
272
303
85
131
11.5
29
4459-44593
160-175
441
285
315
85
131
11.5
30
Section 3:Accessories & Hydraulic Drive System
LOW Working Head Series Hollow Hydraulic Torque Wrench Working Head
Each type of LOW hollow torque wrench power has a set of working head corresponding to it, they cover this type of power head that can provide all sizes of bolts within the torque range. When selecting the appropriate working head for the bolt, note that the distance between the bolt and the
wall is greater than the distance between the hexagonal edge of the working head and the outer edge of the working head. Pay special attention to whether there is enough space between bolt and bolt. The R and A in the following table can help you choose the right head.
Interchangeable reducer
Interchangeable reducer cooperates with LOW series working head, so that a single working head can match multiple bolt size, which can greatly improve the adaptability of different conditions.
HEP-700 Special Electric Pump For Torque Wrench
1.Three kinds of pressure, three kinds of flow output automatic switch, maximize efficiency
2.Standard configuration drives two hydraulic wrenches (Also can be configured to drive four wrenches at the same time)
3.Aluminum and titanium alloy manufacturing tank and pump, light weight, easy to carry
4.Φ100 high density pressure gauge, ensuring higher torque accuracy
5.Adjust the output pressure freely in the range of 40-700 bar
6.With a radiator, can work continuously for 24 hours
7.A variety of voltage / frequency motors available upon request
① Al metal frame, easy to carry, protect machine body
② External pressure regulator, built-in relief valve protection
③ System pressure release button, release pressure when pump stopped and power failure.
④ Lightweight design body, reducing weight, easy to carry
Model
HEP-700
Power Source
AC power
Tank Capacity
8L
Oil Flow
Low Pressure
7L/min
Medium Pressure
1.6L/min
High Pressure
0.8L/min
Output Pressure
40-700bar
Input Power Supply
220V/50Hz
Power
1.1kW
Weight
26.7kg