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5 Installation at Site
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COBRA-TDC01/03
8194.8/02-EN
Recommended upstream and downstream stabilisation distances
Fig. 3:
Recommended minimum distance between the valve and a tee or elbow
Upstream and downstream stabilisation distances are also required for valves
installed on the pump discharge side.
Installation downstream of control valves, a plunger valve or a flow meter
Observe a minimum distance of 10 times the nominal size.
5.3 Preparing the valve
CAUTION
Outdoor installation
Damage due to corrosion!
▷
Provide weather-proof protection to protect the valve against moisture.
1. Thoroughly clean, flush and blow through all vessels, piping and connections.
2. Remove the valve's flange covers before installing it in the piping.
3. Check that the inside of the valve is free from any foreign objects. Remove any
foreign objects.
4. If required, install a strainer in the piping.
5.4 Piping
WARNING
Impermissible piping forces
Leakage from or rupture of the valve body!
▷
Connect the pipes to the valve without transmitting any stresses or strains.
▷
Take structural measures to prevent any piping forces from being transmitted
to the valve.
▷
Avoid mechanical loads beyond normal levels, e.g. piping forces, moments and
vibrations.
Содержание COBRA-TDC01/03
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