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7. Tools
 

· Torque tools and socket wrenches
· Pipe-bending tools
· Thread-cutting tools
· Taper tools for external tapers
· Pipe holder
· Taper tools for internal tapers
· Screw-tensioning devices
Torque tools and socket wrenches
To maintain sufficient initial tension under operating pressure, it is necessary to tighten the threads of components subject to pressure to a defined degree. Too little initial tension tends to result in leaks and thus premature wear. If the components are subjected to excessive tension between each other, permanent distortion may occur, which may also result in premature wear all the way to immediate failure of the seal. Therefore, we recommend that the given torques be complied with at all times.
      Bestellnummer
Drehmomentwerkzeug ohne Einsteckmaulschlüssel   700-000
Einsteckmaulschlüssel SW 17     700-017
Einsteckmaulschlüssel SW 22     700-022
Einsteckmaulschlüssel SW 32     700-032
Einsteckmaulschlüssel SW 36     700-036
Einsteckmaulschlüssel SW 41     700-041
 
Pipe-bending tools
Our pipe-bending tools have a very sturdy design and are dimensioned such that every commercially available pipe quality can be machined without any problem. The tools can be quickly dismantled and significantly reduced in size for transport. The bending radii are considerably larger than with tools for conventional pipes. Smaller bending radii than those recommended in the table should not be used for reasons of strength.
    Rohr-AD Bestellnummer
Rohrbiegewerkzeug für Rohraußendurchmesser   6,0; 6,4 710-064
Rohrbiegewerkzeug für Rohraußendurchmesser   9,5; 10,0 710-100
Rohrbiegewerkzeug für Rohraußendurchmesser   9,5; 10,0 710-143
 
Thread-cutting tools
As a rule, the high-pressure pipes are provided with a metric or UNF outer left-hand thread. The standard dimensions are listed in the following table. The die holders are stainless with a very sturdy design.
    Gewinde Bestellnummer
Gewindeschneidwerkzeug kpl. für Außen-Linksgewinde M 6 x 1 720-060
Gewindeschneidwerkzeug kpl. für Außen-Linksgewinde 1/4" - 28 UNF 720-064
Gewindeschneidwerkzeug kpl. für Außen-Linksgewinde 3/8" - 24 UNF 720-095
Gewindeschneidwerkzeug kpl. für Außen-Linksgewinde M 10 x 1 720-100
Gewindeschneidwerkzeug kpl. für Außen-Linksgewinde M 14 x 1,5 720-140
Gewindeschneidwerkzeug kpl. für Außen-Linksgewinde 9/16" - 18 UNF 720-143
 
Threading dies  
    Gewinde Bestellnummer
Schneideisen für Außen-Linksgewinde   M 6 x 1 725-060
Schneideisen für Außen-Linksgewinde   1/4" - 28 UNF 725-064
Schneideisen für Außen-Linksgewinde   3/8" - 24 UNF 725-095
Schneideisen für Außen-Linksgewinde   M 10 x 1 725-100
Schneideisen für Außen-Linksgewinde   M 14 x 1,5 725-140
Schneideisen für Außen-Linksgewinde   9/16" - 18 UNF 725-143
 
Taper tools for external tapers
With our self-centring taper-cutting tools you can machine all commercially available high-pressure pipes quickly and precisely. However, while tools with turning plates only make the 58° taper, you can also machine the pipe end surfaces in the same work operation with our tools. Even with pipe sections cut at an angle a surface perpendicular to the pipe axis can be produced quickly, which is important for the tightness of the connection to be made. To protect the tools and obtain an optimal surface, our taper and thread-cutting oil should be used.
  Rohr-ID Rohr-AD Bestellnummer
Werkzeug kpl. für Hochdruck-Rohr 1,0 ; 1,6 6,0; 6,4; 9,5; 10,0 730-026
Werkzeug kpl. für Hochdruck-Rohr 2,2 ; 2,3 6,0; 6,4 730-032
Werkzeug kpl. für Hochdruck-Rohr 3,2 ; 3,6 9,5; 10,0 730-042
Werkzeug kpl. für Hochdruck-Rohr 4,8 ; 5,0 14,0; 14,3; 9,5 730-060
Werkzeug kpl. für Hochdruck-Rohr 8,0 14,0; 14,3 730-090
 
Collet chuck
    Rohr-AD Bestellnummer
Spannzange für Rohraußendurchmesser   6,0; 6,4 731-064
Spannzange für Rohraußendurchmesser   9,5; 10,0 731-100
Spannzange für Rohraußendurchmesser   14,0; 14,3 731-143
 
Cutting knife  
  Rohr-ID Rohr-AD Bestellnummer
Schneidmesser für Hochdruckrohr 1,0 ; 1,6 6,0; 6,4; 9,5; 10,0 732-026
Schneidmesser für Hochdruckrohr 2,2 ; 2,3 6,0; 6,4 732-032
Schneidmesser für Hochdruckrohr 3,2 ; 3,6 9,5; 10,0 732-042
Schneidmesser für Hochdruckrohr 4,8 ; 5,0 14,0; 14,3; 9,5 732-060
Schneidmesser für Hochdruckrohr 8,0 14,0; 14,3 732-090
 
Pipe holder
To hold high-pressure pipes securely during machining, we also offer a pipe holder that can be adjusted to the respective pipe diameter simply by replacing the collet chucks. Like the taper-cutting tools, the pipe holder can be fixed in the vice as required.
    Rohr-AD Bestellnummer
Rohrhalter ohne Spannzange     740-000
Rohrhalter kpl.   6,0; 6,4 740-064
Rohrhalter kpl.   9,5; 10,0 740-100
Rohrhalter kpl.   14,0; 14,3 740-143
               
Taper tools for internal tapers
Even with carefully prepared and conscientiously screwed taper connections, it may be necessary to rework the internal tapers. As a rule, slight erosion traces or impressions of pipe ends can be removed without any problem. This type of repair is available for each internal taper only to a limited extent, of course, since the distance from the tapers to the thread increases with each machining operation. The tools for the various standard threads are shown in the following table.
  Rohr-ID Rohr-AD Bestellnummer
Werkzeug kpl. für M 16 x 1,5 1,0 ; 1,6 ; 2,2 ; 2,3 6,0; 6,4 750-1
Werkzeug kpl. für M 20 x 1,5 1,0 ; 1,6 9,5; 10,0 750-2
Werkzeug kpl. für M 20 x 1,5 3,2 ; 3,6 9,5; 10,0 750-3
Werkzeug kpl. für M 30 x 2 4,8 ; 5,0 ; 8,0 14,0; 14,3 750-4
 
Screw-tensioning device
An adequately large and uniformly distributed initial tension is of enormous importance in engineering. It not only ensures precise seating of components subjected to loads, but also prevents swelling load in the connecting elements, among other things, which significantly reduces damage due to fatigue failure. The generation of initial tension with threaded connections through the application of a defined torque fundamentally involves problems. Screw-tensioning devices permit the generation of initial tension with the following advantage s:
Torsion-free initial tension force generation
- No torsional stress on screws
Friction-free tension force generation
- No “seizing” because the internal screw thread can be turned into the fixed position nearly without any load
Exact initial tension force generation
- Axial initial tension force generation up to yield point / elongation limit of the material used
Simultaneous tension force application at several places
- The use of SSV permits application of initial tension force at several screw threads at the same time.
  F (to) bei Pmax Gewinde Bestellnummer
SSV - 500 bar 21 bis M 72 760-500-036
SSV - 700 bar 85 bis M 36 760-700-072