Poppet excess-flow valve
threadedstainless steel

poppet excess-flow valve
poppet excess-flow valve
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Characteristics

Type
poppet
Body
threaded
Material
stainless steel
DN

0.25 in, 0.5 in

Description

DonadonSDD excess flow valves have been designed to prevent pressure accumulation in the space between the rupture disc discharge and the second safety device. Since rupture discs are differential pressure devices, avoiding pressure accumulation is essential to ensure correct disc opening at the desired bursting point. Excess flow valves are usually used when rupture discs are used together with a safety valve or when installed on multiple rupture discs in series. Excess flow valves close when exposed to the rupture disc discharge flow. DonadonSDD excess flow valves are available in ¼” or ½” versions and can be supplied with T connectors, nipples and pressure gauges upon request. All accessories are made of stainless steel.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.