stainless steel globe valve ( stopvalve GlobeValve) The opening and closing is plug valve, sealing surfaces appear flat or cone, disc make linear movement along the centerline of fluid. Stem form of exercise, ( Common name: non-rising stem) , also have lift rotating bar type, ( Common name: Ming) Globe valve used throughout close tu, don't allow to adjust and throttling.

stainless steel globe valve belongs to compulsory sealed valve, the Industrial Valves is closed, must be pressure on the disc, to force a sealing surface does not leak. When the medium from the disc below to the valve, the operating force to overcome resistance, is stem and packing friction with the thrust produced by medium pressure, close the valve force stronger than open the valve, so it's bigger, the diameter of the stem or stem top bending failure happens. In recent years, from the seal valve, cut-off valve is replaced by the disc above the medium flow direction into the Industrial Valves cavity, in the medium pressure at this moment, close the valve of the force is small, and the strength of the valve, the valve stem diameter can be reduced accordingly. in China 'three for' regulation, the flow of cut-off valve, shall be applied. This Industrial Valves should be installed to level at the same time, in the role of media, this kind of valve is tight.

stainless steel globe valve opens, the opening of the disc height, is 25% ~ 30% of nominal diameter, flow has reached maximum, said valve to full open position. So stop valve fully open position, should be determined by disc's schedule.

keywords: stainless steel globe valve, cut-off valve structure
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