Features: Easy to install and easy to use for precise flow control Applicable medium: oil, water, gas and other non-corrosive or corrosive media Features include adjustable from full flow to full close, durable, comfortable handle, can be panel mounted in any position The Needle Valve for pressure gauges and transmitters and it is can allows regulating of the opening in the bore for fine control of flow Used widely in the irrigation system, piping system, oil and gas supplying system. Specifications: Material: 304 Stainless Steel Connection Thread: 1/2 BSP Female Thread Operating pressure: 915 PSI Temp Range: -29 degree C~+200 degree C Outlet Diameter: 21mm Size: 70x52mm Quantity: 1 Piece Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!