原文：
            现有的闸阀在阀体、阀盖及各部件均完好的情况下， 呼吸阀仅仅是密封面稍有变形或腐蚀，阀门就不能使用。修复这些阀门非专业厂不行，所以造成极大的浪费。因此使用单位希望的闸阀是：阀座、阀板密封面不易变形，耐腐蚀，调节阀易损的密封材料可换。阀板在启闭时与密封面不要有磨擦或尽量减少磨擦。

       一、发明目的： 解决阀座和阀板的密封面腐蚀或变形后，锻钢阀门阀板能自动补偿的并压紧密封面以及阀门与阀板间压力自动平衡的问题，解决软密封材料受磨擦而损坏密封面的问题，由于该闸阀的密封套可换，大大的增长阀门的使用。

        二、实用范围： 通径φ50-φ400mm，压力2.5-4.0MPa，小于200℃的各种常温液体

       三、技术方案： 该阀为双平行闸板阀，入口密封方式，针型阀入口阀板由密封套和卸力阀板组成为主密封闸板。密封套与卸力阀板同步移动但又不相连，管道压力通过卸力阀板、调平力臂传递给出口面的阀座，这样将大幅度的提高软密封面的结合力。阀板外面套有耐腐蚀橡胶密封套。软密封材料在启闭过程中，减压阀与阀座保持有一定的距离，使软密封材料在无磨擦无折压的环境中工作。密封套将管道中输送的液体与阀芯内的部件隔离，免受液体的腐蚀和杂质的阻塞。此阀的密封材料更换非常方便，所以使用寿命是一般闸阀的5倍以上。

“ Combination valve adjustable range of practical and technical design ”是由中国截止阀网提供的阀门新闻，译文仅供参考。另外，中国截止阀网还提供相关产品搜索： 直通(流)式截止阀 波纹管截止阀、 更多截止阀产品、 气动管路截止阀(仪表截止阀)、 更多截止阀产品、 截止阀价格。

译文：
           Existing gate in the valve body, valve cover and the parts are good cases, only a slight deformation or corrosion of the sealing surface, the valve can not be used. Non-professional factory repair Magnetic pumpsthese valves not work, so causing a huge waste. Therefore, the valve is to use units of hope: the valve seat, valve plate sealing surface is not easy deformation, corrosion, wearing of the sealing material can change. Valve plate with the sealing surface in the opening and closing do not have conflictsSuber-water pumps or minimize friction. First, the invention aims: Solution and the valve seat plate sealing surface corrosion or deformation, the valve plate and pressure compensation can be automatically close the valve and valve plate cover and automatic balance between the pressure to address the soft sealing material sealing surface damaged by the friction problem As the gate of the gland can be changed greatly Screw pumpsincrease the use of valves. Second, practical range: Path φ50-φ400mm, pressure 2.5-4.0MPa, 200 ℃ lower than normal temperature range of liquid Third, technical programs: The valve for the double parallel gate valve, sealing the entrance way, entrance valve plate and the unloading force by the seal cover main seal gate valve plates. Seal valve cover and unloadingSelf-priming pumps force plate simultaneously moving but not connected by pipeline pressure unloading valve plate force, leveling arm is passed to the export side of the seat, which would greatly enhance the cohesion of the soft sealing surface. Outside the set of valve plates are corrosion-resistant rubber seal set. Soft sealing materials in opening and closing process, with the valve seat to Chemical pumpsmaintain a certain distance, the soft sealing material without folding in the absence of friction pressure environment. Gland to pipeline transport of liquids and components within the isolation valve, corrosion and impurities from the liquid blocking. This valve is very convenient to replace the sealing material, so life is more than 5 times normal gate.

原文来源：http://www.1jiezhifa.com/

2010-08-18 07:16

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