1 kind is to increase the tightly closed oil method; This way is for not using tightly closed oil valve body, can consider problems increasing stem tightly closed tightly closed oil to growth performance. Due to have numerous comprised of, but directly comprised is tightly closed out of the question, tightly closed does not reach the designated position, I this a summary of several solutions, hope can have a friend needs help. But its packing is also a lack of, that is, return difference is big, in the beginning sometimes initiation creep phenomenon, to produce suppliers and to use the default installation body facilities and thinking to problems. Q: electric control valve leakage phenomenon of five kinds of solution a: electric regulator tend to emerge in the process of time leak problem, this situation is sometimes also have no way to prevent random. Daily protection time at ordinary times, increase supply tight sealing grease is also one of indispensable protection procedures. The fifth kind is a change its packing method; Quantity by using ptfe packing, suit to use the office temperature in - 20 ~ 200 ℃ range, when the temperature of the office for the larger changes in the maximum limit and lower limit, the tightly closed performance was apparent decline, and aging fast, shorter survival of life. 。 And the third is right and use the lens gasket tightly closed method; For the upper and lower lid tightly closed, seat and the upper and lower body tightly closed. For the most simple surface tightly closed, under high temperature and high pressure, tight sealing ability is poor, actuating leaked out, and can use lens gasket tightly closed, can get satisfied effect Marine valve. That introduce a flexible packing can overcome its four fluorine can't bear the hard packing, and the survival of the fixed number of year long, so growth is tightly closed good sex. There are many factories have all four fluorine filling to its packing, even newly purchased the regulator will also be there four fluorine filling with its packing after use. The fourth is to increase packing method; Is usually sees fit and use double layer or multilayer mixed packing way naive as to increase the number of tight sealing gasket, such as between 3 to 5 pieces, to increase the valve stem tight sealing performance, but the effect is not very superficial. The second is change flow direction, buy P2 on the stem end method; When the delta P is bigger, P1 and large, tightly closed P1 obviously than tightly closed P2. Because of this, can take to change, change the P1 on the stem end to P2 on the stem end, the high pressure and differential pressure valve is more effective. Such as speckle pipe valve is generally should be tightly closed P2 thinking problem. 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 valve, safety valve, Marine valve, oil Industrial Valves, hydraulic control valve and other kinds of valves.
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