Gate valve V47

servo-drivenregulatingmixing

Opening Time: Dead time maximum: 1 s; First valve – < 1 s Approvals, CSA: File: Certificate No: 158158-1227192 Approvals, Others: Gas Appliance Directive: 90.396/EEC, PIN: 0063AT1198, Low Voltage Directive: 73/23/EEC, Electro Magnetic Compatibility Directive: 89/336/EEC Comments: The minimum load for which the system can be used is 14-17% of the reference load, which equals a minimum pressure differential of 0.2 in. wc (50 Pa) of the 1:1 venturi/servo regulator gas control Coil Insulation Solenoid Valves: Class H insulation system VMU Mixing Units The venturi mixing unit (VMU), combined with the V4730C/ V8730C gas valves and specific direct current (dc) fan, has been developed for modulating premix appliances like gas burners and gas boilers. Has a wide modulation band (14 to 100% of the boiler load). Flexible mounting positions of gas control to venturi manifold and venturi manifold to fan. Two stainless steel sensing tubes are provided for use with or without manual safety shutoff valve. Materials: Housing: Aluminum, Venturi: Statically dissipative statcon PF, Seals: Rubber (NBR) Approvals, CSA: File: Certificate No: 158158-1227192 Pipe Connection: Four M5 screws and a rubber O-ring are provided with the venturi to assemble it to the V4730C/V8730C gas valve The stainless steel tube provided with the venturi has to be connected between the venturi inlet (connection provided) and the gas valve regulator Longer sensing tube for use with manual safety shutoff valve (KTTBA002). Shorter sensing tube for use without manual safety shutoff valve (KTTBA001).