Buderus Manual on Trenchless Installation of Ductile Cast ... - Duktus

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Inserting the locking segments DN 00 - DN 1000 BLS ® joints The joint must not be deflected angularly when the locking segments are being fitted. First insert the locking segments through the opening in the socket and then distribute them around the circumference working alternately left and right. Then rotate all the segments in one direction so that the last segment can be inserted through the opening in the socket and moved to a position where the joint is securely locked. Only a small part of the humps on the last locking segment must be visible through the opening in the socket. If any segments happen to jam, they should be moved to their intended position by moving the pipe as it hangs from the sling and tapping them gently with a hammer. Under no circumstances must the socket or the main body of the pipe be hit with the hammer! Locking Pull all the segments back towards the outside until they butt against the bevel of the locking chamber. Then fit the clamping strap over the segments in the way shown. Then tighten the clamping strap, but only gently so that the segments can still be moved. Now line the locking segments up properly. They must lie completely flat against the body of the pipe and they must not overlap. Then tighten the clamping strap up sufficiently tight for the locking segments to bear firmly against the pipe around the whole of its circumference. It is now no longer possible for the locking segments to be moved. Apply axial traction (e.g. with a locking clamp) and pull the pipe out of the joint until the welding bead comes to rest against the segments. When the joint is in an undeflected state, the longitudinal distances from the locking segments to the end-face of the socket should all the approximately the same. 117
Installation instructions Retaining chamber Locking segment Clamping strap User information for ratchet-equipped clamping strap Clamping: 1. Thread in the clamping strap 2. Pull it through by hand to the desired length (to pre-tension it) 3. Tighten the clamping strap by moving the handle up and down Releasing: . This is done by pulling on the locking pawl and at the same time moving the lever through 180° to the opposite position. . Pull the clamping strap out by hand. General directions for use The ratchet-equipped clamping strap must not be adversely affected by the corners on the segments. The different types are suitable for the following temperature ranges: PES: - 0°C to 100°C / PA: -20°C to 100°C / PP: - 0°C to -80°C. The temperature ranges may vary in a chemical environment (where this applies, check with the manufacturer or supplier). Storage: in clean, dry and well ventilated surroundings, well away from any heat source. Keep away from chemicals and flue gases. Do not expose to direct sunlight or other ultraviolet radiation. Clamping straps must not be used as lashings! Check clamping straps for damage before they are used and never use them if: the clamping strap is damaged or a connecting or clamping component is severely abraded, torn or cracked, broken as a result of scuffing, fractured/distorted or severely corroded. • Never exceed the permitted tractive forces (shown on the label) • Do not twist or knot the straps. 118 Welding bead TYTON ® gasket Socket Inserting end
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Buderus Ma
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Buderus Ma
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1. Introduction Introduction When t
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Buderus Ma
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At x 100 magnification, these graph
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10 3 kp cm Fig. 2.7 Steel Ductile G
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Fig. 2.11 How the pipes are produce
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2.3 Development in the joint-making
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joints is DVGW Arbeitsblatt GW 3 8
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Longitudinal force-fit joints and t
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Longitudinal force-fit joints and t
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2.3.2 Making the BLS ® joint Makin
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Fig. 2.21 Left lock Catch Right loc
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2.4 Inside and outside protection I
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Inside and outside protection the c
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Reference documents [2.8] Gaebelein
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General What is said above is true
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Other pluses that the two technique
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Fig. 3.5 Hydraulic unit The press-p
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3.2 The auxiliary pipe technique Th
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In the final stage of the operation
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3.4 Requirements for the site Requi
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Reference documents
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Both the variants of the burst lini
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During the pulling process, the tra
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4.3.2 Joints As in virtually all tr
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Reference documents 3
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Fig. 5.3 Assembly of the string of
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the outlet nozzles. In rocky soils,
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5.3 General requirements Companies
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A prerequisite for this procedure i
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Table .1 provides an overview of th
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Installations Nominal size DN lengt
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Page 70 and 71: Fig. 6.2 Traction vehicle Fig. 6.3
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Page 78 and 79: 7. 2 A description of the technique
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Page 82 and 83: Fig. 7.8 Pushing in a pipe A descri
Page 84 and 85: 7.5 Reference installations No. Loc
Page 86 and 87: [7. ] Rink, W.: Langrohrrelining mi
Page 88 and 89: In the second step, the pilot is up
Page 90 and 91: 8.3 Outside protection Outside prot
Page 92 and 93: 8.6 Reference documents [8.1] Richt
Page 94 and 95: A consideration of the economics of
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Page 98 and 99: [9.2] DVGW-Hinweis W 09: Auswirkung
Page 100 and 101: BLS ® restrained joint DN 80 to DN
Page 102 and 103: Technical data sheets 101
Page 104 and 105: General Pipes must not be: • drop
Page 106 and 107: Filling in the pipe pit DN 80 - DN
Page 108 and 109: DN 80 - DN 00 BLS ® joints There m
Page 110 and 111: Use of clamping ring joints DN 80 -
Page 112 and 113: Notice on assembly DN 80 - DN 00 BL
Page 114 and 115: Retrospective application of weldin
Page 116 and 117: 11.2 Installation instructions for
Page 120 and 121: Angular deflection DN 00 - DN 1000
Page 122 and 123: Disconnecting BLS ® joint disconne
Page 124 and 125: Shrink-on devices and protective ta
Page 126 and 127: ZMU Before a pipe is cut, the ZMU s
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Buderus Manual on Trenchless Installation of Ductile Cast ... - Duktus

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