HK55-TF pneumatic flange ball valve, 2 way, 3 way or 4 way port configuration, default GB standard, ANSI or API 6D is available, double acting standard control mode, single acting is available, 304 or 316 stainless steel body construction, 2.5 to 8 bar input air pressure, minimum 1/2 inch flanged connection, default PTFE seat, resistant to almost all fluids. Suitable for higher operating pressures and temperatures.