Waaree now offers needle valves in SS 304, SS 316, Carbon steel, Monel and other materials of construction. These are used to on/off, or control the flow of media in pipe line or instrument. Standard connection are 1/8″, 1/4″, 3/8″, 1/2″, 3/4″ or 1″ BSP, BSPT, NPT, OD. Each valve is marked for its flow direction, connection, material of construction and pressure rating. For better flow control, a multi-turn spindle can be offered, with working pressure between 15 and 6000psi and burst pressure of 9000psi.