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Torque Wrench<br />
To ensure successful use of STRAUB couplings, a torque<br />
wrench must be used.<br />
The torque ranges required are covered using the following<br />
torque wrenches:<br />
For coupling diameters of > 1000 mm, extended inserts must be used. The torque wrenches as well as the appropriate<br />
inserts are commercially available or can be purchased from STRAUB.<br />
STRAUB-OPEN-FLEX fitting tool<br />
To install them, STRAUB-OPEN-FLEX couplings are<br />
opened and put around the pipe. During installation,<br />
the mating surfaces of the sealing sleeve are pressed<br />
onto each other thus providing absolute tightness. An<br />
assembly tool must be used to create the necessary<br />
pressing force for installing the sealing sleeves with the<br />
minimum of effort in the easiest way.<br />
• Can be used for all OPEN-FLEX 1 and 2 couplings<br />
• Minimum effort required<br />
• Space-saving (detachable handle)<br />
• Clamping force can be created by using a spindle, spanner or socket wrench including ratchet<br />
• Design is suitable for use on site<br />
• For openings from 20 through 210 mm<br />
Tensioning Strap<br />
For mounting the STRAUB-OPEN-FLEX couplings of<br />
all types and sizes, tensioning straps help installing the<br />
couplings; particularly in the case of two-piece casing<br />
designs. Several strap lengths for coupling diameters<br />
of < 300 mm and > 300 mm are used.<br />
44 Technical Manual 2012/01<br />
Torque Wrench 1/2“<br />
2 - 25 Nm<br />
10 - 100 Nm<br />
20 - 200 Nm<br />
70 - 230 Nm<br />
60 - 300 Nm<br />
75 - 400 Nm
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