Skip to content

Excess Flow Valves are an additional feature to be used in combination with bursting discs to protect a refrigeration system from overpressure.

EXCESS FLOW VALVES

The use of excess flow valves is recommended in accordance with fact sheet AD2000 A1 and ASME Boiler & Pressure Vessel Code VIII Div.1 (paragraphs UG 125 through UG 137) when bursting discs or relief valves are being used in series or in combination. Excess flow valves keep the space between safety valve and bursting disc pressureless in case smaller leaks occur. They prevent the build-up of counter pressure. They work with a ball that gets pushed into its seat, if an overpressure occurs, e. g. when the bursting disc opens, thus preventing ventilation and enabling the safety valves to perform as intended. Furthermore pressure manometers and controllers can be connected

Excess Flow Valves

Downloads

GEA Insights

GEA center of excellence on olive oil

Building resilience into the olive oil industry

Learn how GEA supports the olive oil industry in times of climate change and sustainably improves the profitability of producers with innovative technologies.

homestyle chicken produced on gea cookstar

Mastering industrial cooking: Turning complexity into control

Industrial cooking doesn't have to be complex. Discover strategies and technologies that improve control, consistency, efficiency and product quality.

The water equation | Keyvisual

The water equation

Across Europe, drought is a recurring reality – and no longer confined to the south. While water increasingly shapes where industries locate, its value is determined by local context. There are many technological routes to water efficiency in industrial processes, but location, energy needs and other factors are also key.

Receive news from GEA

Stay in touch with GEA innovations and stories by signing up for news from GEA.

Contact us

We are here to help! With just a few details we will be able to respond to your inquiry.