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3071 DN8 ATEX

Series 3/071

The type 3/071 is suitable for high switching cycles, fast switching and in the fail-safe function NC normally closed. These valves are used to shut off gaseous volume flows, for example natural gas or hydrogen up to 1000 bar. Using suitable solenoid systems, the 3/071 series can be installed in an explosive environment. The valve can only seal and shut off in the direction of the arrow. Please note the necessary pressure difference 5 bar for the function of the main spool. It is recommended to install a fine filter 0.04mm directly upstream of the valve.
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This series includes:

Technical informations

ConnectionsG1/4, G3/8, G1/2, 9/16-18 UNF, 13/16-16 UNF
PressureMin: 5 bar, Max: 1000 bar
TemperatureMin: -10 °C, Max: 80 °C
Medianatural Gas CH4 CNG - Compressed Natural Gas Methane CH4 Nitrogen Gas N2 Hydrogen H2
Housing materialsAISI 318LN - 1.4462 AISI 316L - 1.4404
SealingPEEK/PCTFE-HP
Type of ControlElectrically servo-assistent
OptionalNPT-thread connection, higher pressure, normally open (NO)
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