。 2, tightly closed surface movement friction small, portable, for opening and closing and tightly closed surface abrasion semi-automatic repay function. 3, simple structure, compact and easy to check repair, use fixed number of year long survival. Q: vacuum by the structure of the unique place and use a: vacuum as the main structure of the unique local and use: 1, vacuum by the valve main body right and use the casting structure, has the parallel double vice half force two-way tightly closed, tightly closed tightly closed surface in the movement and wedge block chocking sport utility it step by step to achieve zero leakage. 6, the valve is suitable for use in office temperature 425 ℃ and 550 ℃ or less, or less office medium on the pipeline for water, steam, or air, as the opening and closing device; Especially suitable for use in power plant steam turbine condenser and vacuum negative pressure system, the vacuum isolating tightly closed. 5, petition way points this series valve flange, welding two Marine valve, drive form has two kinds of manual and electric. 4, cover packing room is equipped with vacuum tightly closed structure, with the expansion pressure utility, and tightly closed sees fit and materials used high inflation tightly closed, absolute isolation system and the atmosphere, have good system of air tightness. 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 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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