Flanged ball valve with electrical actuator With Spring return; ATEX zone 1 and 21, TA-Luft; With DVGW certificate For Gas; Length According to EN558−1R27; Body, Ball 1.4408; Seals PTFE/FKM; Medium temperature -20...+150°C; DN 50mm; Pressure range 0...40bar; Flange PN40; Length 150mm; Operating time 93s; Voltage 230V50Hz; Safety position NO; Incl. acceptance test certificate EN-10204-3.1; for material, pressure, function and tightness; Free of oil and grease for hydrogen