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Elster Jeavons J123 Industrial Regulator

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Elster Jeavons J123 Industrial Regulator 2nd Stage Regulator Pressure Reducing Regulator
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The J123 is a spring loaded distribution and industrial regulator that can also be operated by auxiliary systems and is suitable for use as a monitor or active regulator. It is designed for use in installations complying with the requirements of BGC/PS/E26 (formerly DIR6) and IGE/TD/10.
All units are suitable for operation on natural, liquefied petroleum and manufactured gases and can be installed in horizontal or vertical pipelines. The regulator is connected with an external impulse connection.
High sensitivity is assured by a high pressure rolling secondary diaphragm. A valve travel indicator and breather hole dust cap are fitted as standard on all units.
The J123 has been designed on a modular basis which allows the regulator mechanism to be removed without disturbing the pipework.
The J123 has been approved to modules B + D of the PED 97/23/EC by BSI (Notified body No. 0086). It is classified as Category IV equipment and a pressure accessory.


  • Sizes: 2", 3" and 4”
  • Inlet pressure up to 4 bar
  • Outlet pressure 10 – 350 mbar
  • Modular design for easy servicing
  • Active or Monitor versions available
  • With valve travel indicator
  • Temperature range -20 to +70 °C

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