Suitable for domestic water services, heating and air-conditioning plants, compressed air systems. Female/Female threads T handle in aluminium Body in nickel-plated brass Minimum and maximum working temperatures: -20°C, 150°C in absence of steam Threads: ISO228 (equivalent to DIN259 and BS2779) NOTE:For Brass Ball Valve F/F 'T Handle'diagram please refer Brass Ball Valve F/F diagram.