2. 2 factors verified raw materials, outsourcing markings tube are accord with a standard certificate, at the same time, the operating positions of the people surveyed markings tube size, satisfied with the material requirements. Speckle tube to repay the apparatus can widely used in many industries, besides have satisfactory repayment experienced, high reliable sex is mainly comprised. Markings tube atmospheric pressure when trying to hit the pressing pressure is too high, the understanding and operating positions of people try to know clearly about Industrial Valves, valve into office has more than 5 years experience. Also by the liquid nitrogen freezing to try, and then helium mass spectrometer leak detection, ensure the speckle tube without destruction, crack before use. 2 stripes pipe valve comprised damage analysis on my unit produce low temperature by the end of valve factory of investigation and study, aiming at the problem of speckle tube high destruction rate of right and the use of brainstorming, to lead to this problem may be comprised of careful analysis. About tooling, using the form accurately. Markings tube, however, belong to thin wall material, and elastic takong degrees of small unique place, in cryogenic valves in the process of manufacture, assembly and try, striped with valve pipe damage rate is higher, for the valve part or group structure lost its potency, difficult to repair. Transportation, storage place the valve in the form of inappropriate: after investigation, the speckle pipe transportation, storage put process requirement is not clear, cause streaking tube in the process of transportation, storage was destroyed. Additional, striped tube for non-standard products, demand on the basis of diameter, pressure, the survival of the fixed number of year, to repay the amount till numerical special presupposition and acquisition purchase, production cycle is long. 2. 4 background factors after investigation, store put the background dry cleaning of striped tube, no superfluous things, will not cause streaking tube corrosion damage. Q: reduce the low temperature by the valve marking pipe damage rate of the discussion a: low temperature by the end of the valve is shipped a bit hydrogen and liquid oxygen, liquid nitrogen key facilities such as the medium of low temperature, it is widely used in our country spaceflight test and launch of the job. Wire types accord with drawings requirements, welding wire products conform to the standard card. Transportation way valve, for example, improper, cause the valve markings tube buckling destruction, valve markings outside tube not doing enough to take care of the solution, so that the speckle tube easily happened to destroy, etc. 。 For example, use coaxial fixture fixed markings tube before welding, the body markings tube and different axis, such as nonstandard burning welding groove, welding was not deem appropriate and use the wet cloth to speckle tube shall try our best to take care of. 2. 3 incomplete process factors markings pipe welding process: after investigation, speckle pipe welding process is not clear, resulting in welding process is not standard. 2. 5 facilities factors after verification, striped with welding pipe welding facilities are in use within the time line. Speckle pipe damage problem not only extended the valve production cycle, and greatly increased the production of valves. Therefore, the factors for high damage rate is mainly comprised of speckle pipe. 1 cryogenic valves markings pipe damage situation based on the way and the requirements of the valve, a valve needs one or more stripes tube at low temperature. 2. 1 positions factors of welding positions of welding level is not enough: the count, my unit factory valve welding related operating positions of the actual things, they all have jobs technical grade certificate ( Welder grade card, etc. ) And more than 5 years experience in welding, welding operation positions of people conform to the standard rate of 100 one hundred percent. Its good sex is after a preset, production, installation, operation and management, and other links to guarantee, no matter what a link is out of control leads to pay fixed number of year of survival to reduce and even less effective. Speckle tube is shut components in cryogenic valves, a variant of pay for low temperature medium actuating tube wall slip effect. Outsourcing pattern tube conform to the standard rate was 100 one hundred percent. Because of this, reduce the cryogenic valves markings pipe damage rate for stem valves valve production capital, fruit growth rate and growth of dependable sex have hard to meaning. Therefore, the factors of Marine valve for high damage rate is mainly comprised of speckle pipe. 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 Industrial Valves, 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 Industrial Valves, globe valve, check valve, relief valve, safety valve, Marine valve, oil valve, hydraulic control valve and other kinds of valves.
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