Description: Needle Valve is one-piece brass body valve comprising of a tapered needle of stainless steel for accurate metering of air-liquids and gases that do not affect brass. It is available in sizes suitable for pipes of ¼', 3/8' and ½' BSP. The maximum pressure is up to 50 kg/cm2 for zero leakage. It is provided with PTFE sealing (optional) on the stem; and an optional mounting arrangement.