High pressure three-way needle valve
Instrument needle valve mainly has globe valve and ball valve, its function is to open or cut off the pipeline path, is an important part of the instrument measurement pipeline system.
The sealing property of the needle globe valve is good and the service life is long. Even if the sealing surface is damaged, it only needs to replace the vulnerable parts to continue to use. When installing, pay attention to make the flow of the medium consistent with the direction of the arrow on the valve body. Manual stop valves and ball valves can be installed in any position of the pipeline. Needle valve has thread connection, sleeve connection, welding.304 sleeve type three-way needle valve The needle valve is usually composed of a valve body, a valve cover, a valve disc (gate), a seat, a valve stem, a hot plate, a packing device and a driving device (hand wheel, gearbox or pneumatic, electric device, etc.). The material of the valve body and valve cover in the needle valve is the shell material (also known as the main material), the gate (valve disc), the ball, the valve seat, the valve stem, the sealing seat is often called the internal part, in addition to fasteners, seals, etc.