最适用于阀门密封面的镜面滚压加工。
Ideal for valve sealing surface of the ultra-precision machining.
就阀门密封面等离子弧堆焊的技术关键问题：毛坯加工、工艺选择及质量控制等。
The key problems of technique for plasma hardfacing for sealing face of valve such as blank making. Process selecting and quality controlling.
设计的阀门采用了金属-金属的平面硬密封结构，在流道附近采用耐磨损的材料，提高阀门密封面的磨损寿命。
The new designed valve has metal-metal plane hard airproof structure, using durably grinding material near the flowing road to improve the airproof surface usage life-span.
低压密封试验4.4.1进行低压密封试验时，低温阀门密封面应保持干净，无油、无油脂和密封脂，如需防止擦伤。
Low pressure seal test 4.4.1 for low pressure seal test, the sealing surface should be kept clean, no oil, no grease and seal fat, for to prevent scratches.
试验结果表明：用新工艺研制的阀门密封面，各项性能指标完全符合设计要术，并可节省大量的铜合金，具有明显的经济效益。
The experimental results show that all the properties of the sealing surface of the valve made by this new technique meet the design requirements and a large amount of the copper alloy can be saved.
针对阀门密封面使用寿命低的的问题，采用等离子喷涂表面处理技术处理阀门密封面，研制了一种新型的陶瓷涂层密封旋塞阀。
A new ceramic coatings sealing faucet valve was developed by treating valve sealing surface with plasma spray surface treatment technology.
在阀门闸板运动的全过程中，密封面都对闸板提供恒定的引导，保持与闸板连续稳定的接触。
The face seals provide constant guiding throughout the valve stroke, maintaining continuous contact with the gate.
不管是在阀门开启位置，还是关闭位置，阀杆和密封面有阀杆盖帽的保护，能防止污物入内，防止腐蚀。
The valve stem and sealing surfaces are completely protected from dirt and corrosion by the stem cap, whether the valve is in an open or closed position.
注：系列阀门主要零部件及密封面的材质可根据实际工况条件或用户特殊要求设计选用。
Notes: Major parts of the valve series and materials of sealing surface differ according to actual working condition and custmer's special requirement.
大部分闸阀是采用强制密封的，即阀门关闭时，要依靠外力强行将闸板压向阀座，以保证密封面的密封性。
Most of the valve is sealed using force, that the valve is closed, forced to rely on external ram pressure to the valve seat to ensure the sealing surface of the seal.
管接头、阀门、石油机械、管接头密封面等。
在高参数阀门零件密封面上进行厚覆层激光熔覆时，发现覆层裂纹是主要的质量缺陷。
It is found that cracks of cladding layer is one of the main defects in the laser cladding of thick layer on the sealing surface of high parameter valve.
闸板有两个密封面，最常用的楔式闸板阀的两个密封面形成楔形，楔形角随阀门参数而异。
Gate has two sealing surfaces, the most commonly used wedge gate valve sealing surface to form two wedge-shaped, wedge Angle parameters vary with the valve.
一旦安装完毕，手动旋紧的管接螺母就紧压着Chemtrol阀门的密封面。
Upon installation, a hand-tightened union nut serves to compress the face-seal of a Chemtrol valve.
煤气阀门的密封面，石油机械、管接头密封面、装配法兰等。
Sealed surface of gas valve, patrol machines, and installation flange.
煤气阀门的密封面，石油机械、管接头密封面、装配法兰等。
Sealed surface of gas valve, patrol machines, and installation flange.
应用推荐