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- Valve running thrust which represents 90% of the travel of the valve stem can be determined by adding stem load and stem packing friction. 阀门运行推力只是阀门阀杆行程力的90%25,因此测算阀门推力时,要加上阀杆负载和阀杆填料摩擦力。
- Valve rod with valve lids between bring fall airproof structure, Convenients for valve bring press replacing valve stem packing. 阀杆与阀盖之间带倒密封结构,便于阀门带压更换阀杆填料。
- Fire Test for Evaluation of Valve Stem Packing 阀门包装材料的防火试验
- metallic valve stem packing 阀杆金属填密
- Fully-guided stemStem bearings in body and gland follower prevent wobbling and packing leakage due to side thrust on stem. 全引导阀杆阀体内的阀杆轴承和密封压盖随动件避免由于阀杆侧推力导致的摇摆颤动和填料泄漏。
- Pack a valve stem. 扎好活门塞
- The connecting rod may drive a valve stem directly. 连杆可以直接带动阀门的把柄。
- Replaceable hose filter and valve stem seals for field reliability. 可更换软管过滤器和阀门阀杆密封,使得现场应用可靠行更高。
- For removal of valve stem seal and lower valve spring guide. 可用于拆卸汽门油封或降低汽门弹簧。
- Clean exposed portion of valve stem (Do not scratch). 清洗阀杆的外露部分(不要划伤)。
- Operating Principle: The diaphragm valve is a handwheel-operated valve, utilizing a two-piece stem separated by non perforated diaphragms. These diaphragms prevent leakage along the valve stem. 运转原理:膜板阀是一种手轮型阀门,它采用两个由非穿孔横膈膜隔开的阀杆。这些横膈膜防止了沿着阀杆的泄漏。
- EXTENSION BONNET with a sufficient gas column to keep the stem packing away from the cold fluid. 扩展阀帽具有足够的气体柱,避免阀杆填料受到低温流体的影响。
- A valve stem has broken off and effectively seized up the engine. 阀杆折断了,有效地阻止了发动机的运转。
- Stem bearing to assure concentric stem rotation, allowing stem packing to provide maximum sealing effectiveness. 阀杆轴承保证同轴阀杆的旋转,使得阀杆填料具有最大的密封效果。
- Stem is non-rotating, resulting in lower friction of all moving parts and longer stem packing life. 阀杆是不旋转的,这样就减少了所有运动部件的磨损,延长了阀杆填料的使用寿命。
- Operating Principle: The diaphragm valve is a handwheel-operated valve, utilizing a two-piece stem separated by non perforated diaphragms. These diaphragms prevent leakage along the valve stem . 运转原理:膜板阀是一种手轮型阀门,它采用两个由非穿孔横膈膜隔开的阀杆。这些横膈膜防止了沿着阀杆的泄漏。
- Inspect for scuffed or bent valve stems. 检视气门杆是否擦伤或弯曲。
- Treatment of valve gland packing leakage in power plant 电站阀门填料密封泄漏的处理方法
- Valve stem 412 is dimensioned to attach to diaphragm 414, best seen in FIG. 2. 从图二可见,阀杆412设计成能与隔膜414接合。
- A tire tool or flat stock can be used to pry one part of the bead up over the rim flange( start near the valve stem). 可用轮胎工具或扁平的撬棒把轮缘的一端从轮辋辋圈上撬起。