Stress analysis based on action of preload and valve stem force for electric cut-off valve;
考虑预紧力与阀杆力的电动截止阀体应力分析
An analysis is made of the material of valve stem and valve core,which are often seen in the operation of chemical industry machinery and coal machinery and of the solder ability and other mechanical properties of the material systematically.
对化工机械及煤炭机械中常见的阀杆、阀头的材料和焊接材料的可焊性及其力学性能进行了分析,根据阀杆、阀头及焊接材料选择了合适的焊接范围及流程,使焊接后的阀杆、阀头达到了工艺要求、降低了设备成本,利于设备的正常运行。
Analysis of discharge valve rod failure and its improvement;
放料阀阀杆的失效分析与改进
Stem – machined stem has a backseat design.
阀杆-经过机加工的阀杆具有后座结构。
Stem– precision machined stem has a backseat design.
(11) 阀杆-精加工阀杆配置后座结构。
Remove the relief valve cover, stem/diaphragm assembly, and relief valve spring.
拆卸安全阀阀盖，阀杆/隔膜总成，和安全阀弹簧。
The lower stem is encased in a spring which forces the stem away from the seat when the valve is opened.
下阀杆包裹在一个弹簧内部，当阀门开启时，弹簧迫使阀杆离开阀座。
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。
In all designs, the valve stem normally serves as a piston rod with disc fastened directly to them.
在所有结构中，阀杆通常作为活塞杆，阀瓣直接固定在阀杆上。
"Primary uses for wrot brass are for ball valve stems and balls, and iron valve stems. a forging grade of brass is used in ball valve bodies and pieces."
黄铜的主要用途是球阀阀杆和球体,和铸铁阀门的阀杆。可锻黄铜可用于球阀阀体和断口部件。
The disc is stem guided on all sizes.
所有通径阀门的这种阀瓣是通过阀杆引导的。
Clean all carbon deposits from the combustion chambers, valve ports, valve stems, valve stem guides and hea
从燃烧室、阀口、阀杆、阀导管和盖清洁所有的积碳。
VALVES MUST NEVER BE LIFTED BY HANDWHEELS OR STEMS.
绝对不能用手抡或阀杆来提起阀门。
The stem rises and lowers as the valve is opened and closed.
当阀门开启或关闭时，阀杆上升或下降。
The stem has a slightly smaller diameter than the valve bore.
阀杆的直径略小于阀体孔的直径。
Backseat– machined bonnet stem bushing provides back-up stem seal.
(10) 后座-经过精密加工的阀盖阀杆衬套实现后座阀杆密封。
Backseat– machined bonnet backseat provides back-up stem seal.
(9) 后座-经过精密加工的阀盖阀杆衬套实现后座阀杆密封。
Nickel plated overlay in stem hole for carbon steel valves to combat severe alkylation conditions.
碳钢阀门采用阀杆孔内镀镍层的阀杆，适用于严酷的烃化应用环境。
Backseat ? machined bonnet stem bushing provides back-up stem seal.
后座-经过精密加工的阀盖阀杆衬套实现后座阀杆密封。
Insert stem/ball into stem boss from inside body with ball rotated to align port with waterway.
将球体旋转对准水路端口，从阀体内将阀杆/球体插入阀杆轮箍内。
Caution: If cover will not press flat against body, stem assembly is crooked and damage can result. Re-align stem and cover before bolts are inserted.
警告：如果阀盖不压平在阀体上，阀杆就可能扭曲和损坏。在插入螺栓之前，重新对齐阀杆和阀盖。