Views: 63 Author: Site Editor Publish Time: 2023-03-06 Origin: Site
Stainless steel multistage pumps CDLF type should be installed vertically on the ground and installed in such a way as to ensure that sufficient cold air enters the motor cooling fan.
The arrows on the pump base indicate the direction of filling flow through the pump. To minimise the possible noise generated by the pump, it is advisable to install anti-vibration fixings on both sides of the pump and between the base and the pump body.
Docking flanges, gaskets, bolts and PJE couplings are supplied as accessories and must be ordered separately.
If necessary, when cleaning, repairing or replacing the pump, install isolation valves on both sides of the pump to prevent the system from draining.
The piping should be installed to avoid air blockage, especially on the suction side of the pump. The pipes should be installed horizontally so that any stretching caused by temperature changes does not affect the pump.
If the pump is mounted on a long pipe, it should be properly supported both in front and behind it.
If there is a risk of the pump being blocked by stones, leaves, twigs etc., then measures should be taken to prevent this. Installation of, for example, a strainer in the suction pipe area is sufficient.
In some installations, where the discharge pipe has been installed horizontally, or where the pump is sloped downwards, the water in the pump will, or is bound to, run off at intervals and the pump should be protected from impeller airlift. The highest point of the ring pipe should be at least flush with the connection plate of the pump's motor so that the drain can be drained from the pump alone and vice versa.
It is not permissible to run the pump when the drain valve is closed, as this can cause an increase in temperature as well as vapour formation inside the pump, which can lead to pump damage.
If there is any danger of the pump operating when the drain valve is closed, a bypass or drain pipe is connected to the outlet so that a minimum amount of liquid flows through the pump.
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