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Spring Return Bolt Tensioners

Check up to five results to perform an action.


  • Unique quick release bridge adaptation
  • Piston overstroke prevention
  • Piston stroke indication
  • Compatible with MRT Tensioner range
  • Piston / cylinder misalignment compensation
  • Bolt coverage from 1" to 3 1/2" with just 4 tools
  • Designed to fit BS1560 / ANSI B16.5 / API flanges
  • Fully enclosed load cell design eliminates entry of debris into piston retraction mechanism
The Spring Return design dramatically increases productivity and safety on the job site when compared to older technology manual return tensioners.

Spring Return Bolt Tensioner
Our spring return bolt tensioner reduces operator fatigue, saving time and improving safety and productivity.

Order a load cell and an adaptor kit to make a complete tensioner. Each are sold separately.

Specifications and Dimensional Data
  • Piston stroke - 10 mm except for SRT 0 - 8 mm
  • Max. tool pressure - 21,750 psi (1,500 bar)
  • Bolt protrusion above nut = 1 x bolt diameter
  • 'D' includes an allowance for tool removal after bolt tightening with 10 mm tool stroke
  • Weight excludes puller sleeve
  • Product development is constantly taking place and dimensions may change without notice




   
  Results 1 - 25 of 58 1 2 3 

Item #

Tool Reference

Stud Diameter

Dimension A

Dimension B

Dimension C (A/F)

Dimension D (Imp Bolts)

Dimension D (Met Bolts)

SRTAS000002 SRT 0 3/4 in 2.60 in
66.0
mm
3.70 in
93
mm
2.5 in
63
mm
5.4 in
136
mm
5.5 in
142
mm
SRTAS000004 SRT 0 7/8 in 2.60 in
66.0
mm
3.70 in
93
mm
2.5 in
63
mm
5.6 in
142
mm
5.6 in
144
mm
SRTAS010003 SRT 1 1 in 3.40 in
87.0
mm
4.60 in
117
mm
2.7 in
68
mm
6.9 in
175
mm
6.9 in
175
mm
SRTAS010005 SRT 1 1 1/8 in 3.40 in
87.0
mm
4.70 in
120
mm
2.8 in
72
mm
7.1 in
181
mm
N/A
SRTAS020003 SRT 2 1 in 4.10 in
1030
mm
4.60 in
117
mm
3.0 in
75
mm
6.9 in
175
mm
6.9 in
175
mm
SRTAS020005 SRT 2 1 1/8 in 4.10 in
1030
mm
4.70 in
120
mm
3.2 in
80
mm
7.1 in
181
mm
7.2 in
184
mm
SRTAS020007 SRT 2 1 1/4 in 4.10 in
1030
mm
4.80 in
123
mm
3.3 in
84
mm
7.4 in
188
mm
7.5 in
190
mm
SRTAS020009 SRT 2 1 3/8 in 4.10 in
1030
mm
5.00 in
126
mm
3.5 in
89
mm
7.7 in
195
mm
7.7 in
196
mm
SRTAS030003 SRT 3 1 1/4 in 4.70 in
118.0
mm
4.80 in
123
mm
3.5 in
88
mm
7.5 in
190
mm
7.6 in
192
mm
SRTAS030005 SRT 3 1 3/8 in 4.70 in
118.0
mm
5.00 in
126
mm
3.8 in
96
mm
7.8 in
197
mm
7.8 in
198
mm
SRTAS030007 SRT 3 1 1/2 in 4.70 in
118.0
mm
5.10 in
130
mm
3.8 in
96
mm
8.0 in
203
mm
8.0 in
204
mm
SRTAS030009 SRT 3 1 5/8 in 4.70 in
118.0
mm
5.20 in
133
mm
4.1 in
105
mm
8.3 in
209
mm
8.3 in
211
mm
SRTAS040004 SRT 4 1 1/2 in 5.50 in
140.5
mm
5.20 in
132
mm
4.4 in
112
mm
8.3 in
211
mm
8.4 in
212
mm
SRTAS040006 SRT 4 1 5/8 in 5.50 in
140.5
mm
5.30 in
135
mm
4.5 in
114
mm
8.5 in
217
mm
8.6 in
218
mm
SRTAS040008 SRT 4 1 3/4 in 5.50 in
140.5
mm
5.50 in
139
mm
4.7 in
118
mm
8.8 in
223
mm
8.9 in
225
mm
SRTAS040010 SRT 4 1 7/8 in 5.50 in
140.5
mm
5.60 in
142
mm
4.5 in
114
mm
9.1 in
230
mm
9.1 in
231
mm
SRTAS040012 SRT 4 2 in 5.50 in
140.5
mm
5.70 in
145
mm
4.7 in
120
mm
9.3 in
236
mm
N/A
SRTAS050004 SRT 5 2 in 6.90 in
175.5
mm
5.80 in
148
mm
4.7 in
120
mm
9.7 in
246
mm
9.8 in
248
mm
SRTAS050006 SRT 5 2 1/4 in 6.90 in
175.5
mm
6.10 in
154
mm
5.4 in
138
mm
10.2 in
259
mm
10.2 in
258
mm
SRTAS050008 SRT 5 2 1/2 in 6.90 in
175.5
mm
6.30 in
161
mm
6.0 in
153
mm
10.7 in
272
mm
10.8 in
273
mm
SRTAS050010 SRT 5 2 3/4 in 6.90 in
175.5
mm
6.60 in
167
mm
6.1 in
156
mm
11.2 in
284
mm
11.1 in
283
mm
SRTAS060004 SRT 6 2-3/4 in 8.60 in
219.0
mm
6.60 in
167
mm
6.2 in
157
mm
11.6 in
294
mm
11.7 in
297
mm
SRTAS060006 SRT 6 3 in 8.60 in
219.0
mm
6.90 in
171
mm
7.2 in
182
mm
12.1 in
307
mm
12.1 in
308
mm
SRTAS060008 SRT 6 3 1/4 in 8.60 in
219.0
mm
7.10 in
180
mm
7.5 in
190
mm
12.6 in
320
mm
12.7 in
323
mm
SRTAS060010 SRT 6 3 1/2 in 8.60 in
219.0
mm
7.30 in
186
mm
8.1 in
205
mm
13.1 in
332
mm
13.2 in
334
mm
  Results 1 - 25 of 58 1 2 3 
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