SAFETY SHUT-OFF VALVES Series SVS ... slow opening This gas safety solenoid shut-off valve series class A - are DVGW approved to the Norm EN 161 and to EMC Electromagnetic Compatibility with CE product identification no. to meet industrial requirements for small and robust maintenance free valves. Single seat, two-way-valve suitable for the automatic control of gases belonging to the first, second and third family and of air. The silent operation is an attractive feature for industrial, commercial and residential applications. It is suitable for being installed on industrial, atmospheric and forced draught burners. Valve body : die-cast aluminium Ambient temperature : -10 ÷ ƒn+60 °C Trim : stainless steel Standard supply voltage : 230 Vac Seat disc : Buna “N” On request : 115 Vac - 24 Vac Pipe connections : Rp 1/2 up to Rp 2 ISO 7-1 Frequency : 50 ÷ ƒn60 Hz Orifice diameter : 17 up to 55 mm Rating : 26 and 23,3 W Inlet pressure : 0 up to 1000 mbar Connector : ISO 4400 Pg 11 [with connector R442] with rectifier Closing time : < 1 second Enclosure : IP 65 - IEC 529 Adjustable opening time : 5 s up to 20 s ef. to 80% of Vmax. Coil adjustment : 360° Adjustable initial fit : 0..60% of Vmax. Duty cycle : continuous Class A Automatic shut-off valve Normally closed operation Slow opening adjustable / Quick closing Installation on horizontal or vertical position Quiet operation Coil in direct current with rectifier inside the connector Pressure test points G1/4 - UNI ISO 228 at inlet/outlet Accessories on request: Max. flow adjustment

WARNING PLEASE READ THE OPERATING INSTRUCTIONS BEFORE USE! THIS EQUIPMENT MUST BE INSTALLED ACCORDING TO THE PRESCRIPTIONS IN FORCE! 1 Installation 1.1 Make sure that all operating data indicated on the safety shut-off valve label correspond to those of the system. 1.2 Remove the protection plugs from the safety shut-off valve. 1.3 Before installing the safety shut-off valve make sure that the pipeline is free from impurities and perfectly aligned with the valve body. The pipeline must be vibration-free. 1.4 The sealing material must be applied to the external thread of the pipeline only and...