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J120

The J120 is a safety valve which ensures the integrity of an installation in the event of loss of gas pressure. In the event of pressure drop, the J120 is activated and shuts off the gas supply to the downstream appliances until the manual or automatic reset mechanism is operated. The J120 is available in sizes from ¾" to 2" and supplied factory set.
The J120 ensures the safety and integrity of an installation in the event of unacceptably low gas pressure or failure of the gas supply. In such a situation, burners could become extinguished and, upon restoration of the supply, gas could pass through open cocks. To prevent this, the J120 operates at a pre-set gas pressure and automatically shuts off the supply. Upon restoration of the gas supply, all downstream burner cocks must be closed before the J120 reset mechanism allows the gas to flow.
The J120 is designed for horizontal and vertical pipelines. It is suitable for operation with natural, liquefied petroleum and manufactured gases.

  • Sizes: 3/4", 1", 1 1/4", 1 1/2" and 2"
  • Inlet pressure up to 350 mbar
  • Trip pressure 10 or 15 mbar
  • Manual or automatic reset
  • Temperature range -20 to +70 °C

Model
J120
Categories
Pressure regulators/Safety devices
Maintenance
Elster GmbH

Elster GmbH

Elster GmbH offers a wide range of measuring devices for measuring gas volume and flow rates. We can offer volume gas meters such as rotary and diaphragm gas meters, turbine and ultrasonic gas meters. Gas volume correctors and electronic devices for data transfer are also part of the production program. Elster GmbH is also able to provide its customers with the delivery of complete measurement systems for accounting measurement at high pressure in the area of transport and production of natural gas. All devices meet the highest standards in terms of quality, safety and fulfillment of all metrological requirements.

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