5 Installation at Site
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8417.8/20-EN
5 Installation at Site
5.1 General information/Safety regulations
The consultant, construction company or operator are responsible for positioning
and installing the valves. Planning errors and installation errors may impair the
reliable function of the valves and pose a substantial safety hazard.
WARNING
Damage to pressure enclosure or add-on parts
Leakage from or rupture of the valve
Valve/add-on parts not functional
▷
Check the valve for in-transit damage prior to installation.
▷
Check any add-on parts for in-transit damage.
▷
Do not install damaged valves.
5.2 Installation position
DANGER
Dead-end valve
High-pressure hazard!
Risk of burns!
▷
Protect the valve against unauthorised and/or unintentional opening.
A valve installed at the end of a pipeline and closed with a blind flange must not be
regarded as a dead-end valve.
Recommended upstream and downstream stabilisation distances
Fig. 9:
Recommended minimum distance between the valve and a tee or elbow
If the actual distances are shorter than the minimum distances in drawings 1, 2, 3 and
4, the valve disc must be positioned at an opening angle of 70 .
Upstream and downstream stabilisation distances are also required for valves
installed on the pump discharge side.
Summary of Contents for BOAX-B
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