Some transformers may have a valve that is on the pipe that joins the
bottom of the cooling system to the transformer main tank. This location
offers an excellent circulation of oil. It allows for easy access for installation
and taking oil samples directly from the Hydran M2-X.
Note: If a pump is part of the cooling system, it is recommended that the
Hydran M2-X be installed on the discharge side of the pump.
Location #B: Drain Valve
All transformers are equipped with a drain valve. This location allows for
easy access for installation and taking oil samples directly from the Hydran
M2-X. Oil flow is reduced compared to the other locations and over time
there can be a buildup of sludge which can further impede the oil flow.
Note: A minimum distance of 12 in. between the ground and the valve is
required so that the Hydran enclosure and cables can be properly installed.
Location #C: Main Tank
Some transformers are equipped with a valve that is mounted towards
the middle portion of the transformer main tank. This location offers good oil
circulation and is easily accessible for installation and taking oil samples
directly from the Hydran M2-X.
Location #D: Upper Filling Valve
Most transformers are equipped with an upper filling valve. This location
offers excellent oil circulation, but is not easily accessible and may require an
outage to install the Hydran M2-X.
Location #E: Top of Cooling System
Some transformers may have a valve that is mounted on the pipe that
joins the top tank of the transformer to the top of the cooling system. This
location offers an excellent circulation of oil; but is not easily accessible and
may require an outage to install the Hydran M2-X.
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