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Model JA ESV Isolaion Relief Valve Operation Chart
Model JA ESV Isolaion Relief Valve
Model JA ESV Isolaion Relief Valve Operation Chart

Model JA ESV

The Model JA ESV is an inline valve that holds a bubble-tight, open position until flowing pressure acting on the unbalanced stem area puts an axial force on the pin. At set point, the pin buckles and the valve closes for a bubble-tight seal. This model isolates pressure to prevent downstream damage to equipment and proves it is environmentally friendly by eliminating air and ground pollution common with conventional relief valves.


SKU: RP-PRIV-Model-JA-ESV Categories: ,


  • Set Pressure: 25 – 2,000 Psi (For other set pressures, contact Taylor Valve.)
  • Accuracy: + / – 5%.
  • Connections: Flange rating 150#, 300#, and 600# standard. Higher pressure is available upon request.
  • Seals: Available for high & low temperatures, Viton standard.
  • Standard Materials: Carbon steel body with stainless-steel trim, other materials optional.

Download brochure for complete details on the features, advantages, and benefits of the Model JA ESV Isolation Valve valve.

NOTE: Taylor Valve reserves the right to change product designs and specifications without notice.


The Model J-A isolation valve closes at a set pressure to prevent damage to downstream equipment from excess pressure including meter houses and line transitions.

Product Feature

The fully mechanical emergency shutoff valve eliminates the need to have electricity or pneumatics on site.

Valve Options

Valve Options: Sensors

Sensor Option

Valves can be equipped with a sensor option that allows for remote monitoring of the valves status.

Valve Options: Pin Holder

Pin Holder

Pin holders are a great way to keep replacement pins ready to go right on the valve for when you need them

Valve Options: Safety Pin Cage

Safety Pin Cage

Add a safety pin cage to protect against foreign objects from interfering with the operation of the pin.

Valve Options: Flush Port

Flush Port

Add a flush port to add the ability to clean out the inside of the valve.

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