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Inertrol Regulators

Inertrol Regulators

Evergreen carries RegO CryFlow's full line of 4286, 4289, and 4291 series inertrol outfits are three stage nitrogen regulators especially designed to maintain oilfilled transformer atmospheres at 0.5 PSIG. Each inertrols outfit consists of a two-stage regulator connected in series to a highly sensitive single-stage regulator which maintains the 0.5 PSIG pressure.

A built-in pressure relief valve in the third stage regulator helps protect against over-pressurization of the system. These intertrol units are designed for oil-filled transformers manufactured by ABB, Inc., General Electric, and Cooper Power. Some outfits are equipped with an alarm switch that activates a customer equipped warning device should the cylinder pressure drop below 300 PSIG.

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