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Intertrol Regulators

Intertrol Regulators

JTC inventories Rego's 4286, 4289, and 4291 series inertrol regulators. Three stage nitrogen regulators especially designed to maintain oilfilled transformer atmospheres at 0.5 PSIG. Each inertrol 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 inertrol 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.

Attibutes:

  • Heavy duty brass and aluminum construction resists corrosion and provides for longer life.
  • The 4289 series incorporates a special by-pass valve to allow for quick filling of the transformer.
  • Hidden pressure adjusting screw helps protect against tampering by unauthorized personnel.
  • Large diameter diaphragm in the third-stage regulator provides for sensitive and precise control of the gas flow.
  • Maximum inlet pressure - 3000 PSIG.

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