Anderson Greenwood Series 400 Modulating Pilot Relief Valve Animation

The Anderson Greenwood Series 400 modulating pilot operated relief valve maximizes operating pressures, minimizes emissions, and provides reliable performance. The Series 400 comes with a non-flowing pilot and incorporates an advanced design in pilot operated valves. Under process conditions, main valve can be seat tight up to 98 percent of set pressure. The main valve lifts proportionally according to required flow (relief demand), restricting product loss to only the mass required to be relieved to prevent process pressure from exceeding the code allowance.

The Series 400 is well suited for gas, liquid, and two-phase applications, including dirty services. The modulating action is strongly preferred for liquid relief because it minimizes the destructive effects of 'liquid hammer'

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Anderson Greenwood Series 400► https://www.emerson.com/en-us/catalog...

Emerson Pressure and Safety Relief Valves ► https://www.emerson.com/en-us/automat...

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