These valves are high quality, “true’’ throttling valves. Unlike most so-called needle valves, both the body seat and stem are tapered to provide fine, precise control over a wide range of adjustment without stem galling.


SKU A Inlet Connection (in.) B Outlet Connection (in.) Product Name
1318WA 9/16"-18 L.H 1/4" M. NPT Needle Valves
1316WA 9/16"-18 L.H 1/8" M. NPT Needle Valves