When the media by the disc into the below 6, operating force needed to overcome resistance, is stem and packing friction with the initiation of thrust 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 tightly closed Industrial Valves after the show, the flange by valve is replaced by the disc above the medium flow direction into the valve cavity, then under medium pressure utility, close the valve of the force is small, and the strength of the valve, the valve stem diameter can detract from accordingly. Flange by the valve operating principle and structure of 1, turn the handwheel clockwise, the stem moves down, the disc drops make closed tightly closed surface, the pathway truncation. The situation worsens, Industrial Valves rod mentioned supreme point tightly encloses the utility. 2, valve added a tightly closed. In the valve opens, and packing two layers together tightly closed utility, and try our best to take care of the utility of packing have 3, valves think appropriate and use the nylon products as tightly closed surface, soft packing for forming filler, tightly closed for a soft material, tightly sealed performance is good. 。 Flange by the Marine valve ownership forced tightly closed valve, the valve is closed, it is important to increase on the disc pressure force, to force the tightly closed surface does not leak. At the same time, under the media effect, this type of valve is also relatively narrow clerestory. in China 'three for' had rules, by the end of valve flow, one sees fit and use from top to bottom. Notes to the order: The national standard) A, A: B: product name, model, nominal size medium and temperature, pressure range C: whether there is attachment, delivery time, and special requirements so that we can correct selection for you. Second, if the valve has been selected by design unit of our company model, please order according to the valves parameters directly with our sales center. Three, it is very important when you use the occasion or the environment is more complex, would you please provide design drawings and detailed parameters, our engineers experts will concentrate on review and analysis for you. We can provide you with professional solutions, including design, customization, complete, operation and service. We've been working on the valve leader in the field of industry, to provide you with the latest knowledge of the valve, the best service, best technical adviser. Thank you for visiting our website, if you have any questions, you can call us, we will be dedicated to provide you with quality services. The factory provides professional ball valve, butterfly valve, gate valve, globe valve, check valve, relief Industrial Valves, safety valve, Marine valve, oil valve, hydraulic control valve and other kinds of valves.
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