Threaded Needle Valve

Threaded Needle Valve Models: J11 / J13 / J14 / J23 / J21 / J24 A threaded needle valve is a needle valve that uses threaded connections, generally available as female-threaded, male-threaded, female/male-threaded, or male-threaded with a welded tube. It is a common shut-off and regulating component in instrument piping systems. The valve body is typically forged from stainless steel (304/316L) or carbon steel. The internal key component is the conical (needle-shaped) tip at the end of the valve stem. By rotating the handle, the valve stem moves linearly, controlling the annular gap between the conical tip and the valve seat, thereby achieving precise shut-off or micro-flow regulation of the medium. Common end connection threads include NPT (National Pipe Thread), PT (British Standard Pipe Taper), or G (British Standard Pipe Parallel). According to the flow path configuration, threaded needle valves can be divided into straight-through type (inlet and outlet coaxial) and angle type (inlet and outlet perpendicular) to accommodate different installation spaces and piping layouts. The threaded needle valves produced by Kaivex Valve Group are compact and lightweight. They offer good sealing performance and are especially suitable for high-pressure (up to 6000 psi) low-flow applications. The conical sealing design provides extremely high shut-off sealing capability. However, it should be noted that they are not suitable for high-viscosity fluids or media containing solid particles.