Dungs MBC 300-SE,MBC 700-SE,MBC 1200-SE, MBC 300-N, MBC 700-N Combined Servo Pressure Regulator and Safety Shut Off Valves Max Working Pressure: 36 KPa DN 15- DN 50 BSP Voltage: 240VAC , 110VAC, 24VDC AGA Certificate No. 7206 CERTIFICATE [PDF] DUNGS-MBC-300-SEMBC-700-SEMBC-1200-SE-MBC-300-N-MBC-700-N-COMBINED-SERVO-PRESSURE-REGULATOR-AND-SAFETY-SHUT-OFF-VALVES [PDF]