Some by the valve in the closed position, closed by heating expansion, lead to open hard; As it is important to open at this time, but will cover turnbuckle unscrew to half a circle a circle, eliminate stress, the Industrial Valves stem and then normally open the valve plate to round, tightly closed surface is likely to stick with dirt, also want to use the above method is closed to be washed clean, and then formally locked. J61H, J61Y Marine valve type PN200 ~ PN320 power station by the valve closed after cooling, shrink valve parts, operating positions should be in appropriate early shut down again, make a crack, tightly sealed surface without otherwise, medium thin seam high-speed flow, it is easy to erosion tightly closed surface. When the media from the disc below to the valve, the operation needs to overcome the resistance force, is the stem and packing friction and 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. When the Industrial Valves after the whole paper, it should be reverse a small hand wheel, between the turnbuckle, lest relaxation is damaged. 。 For by the valve, American standard will pay to install and protection, and can also operate. If the packing is too tight, can be appropriate to relax, such as stem skew, repair should be served notice. Open/close the valve, with the strength should be safe and secure, may not be impact. Some impact on opening and closing high pressure by the valve of the device has been thinking about problems that impact and common by the valve can not be equal. Operation, if found too laborious operation, should be comprised by a parser. Q: electric globle valve operating elements of a. J941H electric force tightly closed valve by valve belonging, so the valve is closed, it is important to increase on the disc pressure force, to force the tightly closed surface is not leaking. The handwheel, handle damaged or lost, should be promptly to match neat, can not be replaced with adjustable wrench, lest destroy stem sifang, opening and closing is ineffective, causes an accident in the produce. At the beginning of the line, inside the dirt is more, the valve can be tiny qi, using the medium of high-speed flow, it washed away, and then gently closed ( Can not be quickly closed, slammed shut to prevent impurities left task of tightly closed surface) , once again open, so repeated many times, clean dirt, put in normal office. 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 Industrial Valves 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 valve, hydraulic control valve and other kinds of valves.
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