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

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

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11.2 Installati<strong>on</strong> instructi<strong>on</strong>s for DN 600 - DN 1000 BLS ® joints<br />

Applicability<br />

DN 00 - DN 1000 BLS ® joints<br />

These installati<strong>on</strong> instructi<strong>on</strong>s apply to<br />

ductile cast ir<strong>on</strong> pipes and fittings with l<strong>on</strong>gitudinal<br />

force-fit BLS ® restrained joints.<br />

Where appropriate the installati<strong>on</strong> instructi<strong>on</strong>s<br />

for pipes with cement mortar coatings<br />

(ZMU) should be followed.<br />

In the case <strong>of</strong> buried pipelines, the number <strong>of</strong> joints to be locked has to be decided in accordance<br />

with DVGW Arbeitsblatt GW 3 8.<br />

The permitted tractive forces for trenchless installati<strong>on</strong> techniques are laid down in DVGW<br />

Arbeitsblätter GW 321, 322-1, 323 and 32 (draft), or see secti<strong>on</strong> 2, page 20, Table 2.1.<br />

C<strong>on</strong>structi<strong>on</strong> <strong>of</strong> the DN 600 - DN 1000 joint<br />

X<br />

Retaining chamber Welding bead<br />

Locking<br />

segment<br />

Clamping<br />

strap<br />

Inserting end<br />

TYTON ® gasket<br />

Number <strong>of</strong> locking segments per joint<br />

Socket<br />

Openings in socket<br />

View <strong>on</strong> X<br />

DN 00 700 800 900 1000<br />

n 9 10 10 13 1<br />

11

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