Another common use of needle valve is in water heating equipments that are used for home purpose. In residential water heaters, the valve is used as a bleed valve to control the pressure generated by

The high degree of control over the flow that a needle valve provides makes its ideal to be used as a valve in cases where flow needs to be regulated to a higher precision. Brass and stainless steel n

Needle-valves to be inserted in a hot runner panel of an injection moulding machine for the distribution of the molten material to a plurality of dies fastened to the front of a hot runner panel and w

The virtue of the needle valve is from the vernier effect of the ratio between the needle's length and its diameter, or the difference in diameter between needle and seat. A long travel axially (the c

This inside threaded needle valve is of simple design for wide pressure range. Long life is ensured by the non-rotating, self-centering valve tip and also by the weld on valve seat. The needle valve c

The pressure-flow characteristics of needle valves used on anaesthetic equipment were investigated. It was found that, under normal conditions of use, the valves behaved in a manner similar to converg

The needle valve can be made with flanged, threaded, butt welded and socket welded ends as well. The needle valve can be built in the streamline of the pipeline in the direction of the arrow located o