Tightening Torques - Goetze 2140 Manual De Instrucciones

5
Installation and assembly
The flow direction arrow should be observed when determining the installation posi-
tion in relation to the flow. When installing the valve in a horizontal pipeline, a vertical
position or an inclination of up to 65° from the vertical position is recommended for
the actuating element.
In order to ensure proper functioning of the shut-off valves, they must be installed in
such a way that they are not subject to any impermissible static, dynamic or thermal
stresses. Furthermore, before installing the shut-off valves, ensure that they are sui-
table for the intended use. Also check that the shut-off valves are free of damage and
contamination. If this is not the case, the shut-off valves must not be installed. Remove
any protective caps. Installation may only be carried out by qualified persons and when
the pipe system is depressurised.
Flush the pipes to remove residue before installing the shut-off valves. Residue can
damage internal parts and lead to malfunctions, including failure of the shut-off valves.
The pipelines must be connected to the shut-off valve without tension!
When screwing in pipes and connections, use suitable tools to hold the shut-off valves
in place! For valves with welding ends, ensure that seals are not overheated during
installation/welding and that distortion of the housing is prevented. Similarly, ensure
that no welding residue enters the valves. Any welding residue must be completely
removed. Any weld seam heat treatment that is necessary is the responsibility of the
system manufacturer or operator.

Tightening torques

Open the shut-off valve completely before removing the upper section of the
valve (pos. 4). Remove the valve upper sections before welding / soldering. Undo
the screws (pos. 3). Direction of rotation: counterclockwise and then remove the
screws. Remove the upper section (pos. 4) and seal (pos. 2) and dispose of the seal.
Weld / solder in the housing (pos. 1) and then insert a new seal (pos. 2). Fit the upper
section again.
CAUTION: do not damage the new seal. Fit the screws and tighten them to the spe-
cified tightening torque in a diagonally opposite sequence (see Table 1). Direction of
rotation: clockwise. Then check that they are tight. The following tightening torques
must be adhered to (Table 1).
Assembly and maintenance instructions - 2140 / 2180 www.goetze-armaturen.de