基本解释：盖阀
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Research on connection forms of body and bonnet of high pressure valves used for petrachemical industry;石化用高压阀门阀体和阀盖连接形式的研究
Discussions on joint studs(thread)intensity calculation for body and bonnet阀体与阀盖连接螺柱(螺纹)强度计算方法的探讨
Intelligent Detecting System for Flatness of Valve Cap of Diaphragm Gas Meters;膜式燃气表滑阀盖平面度智能检测系统
MATERIAL AND SERVICE– Cast steel bolted bonnet valves are available in a variety of body/ bonnet materials and trims.材料和应用–铸钢螺栓阀盖阀门可配置多种阀体/盖材料和阀内件。
Pacific cast steel bolted bonnet valves are supplied in a wide range of body/ bonnet materials and trims.美国太平洋铸钢螺栓阀盖阀门可以配置多种阀体/盖材料和阀内件。
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。
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。
Remove the relief valve cover bolts while holding the cover down.边压住阀盖，边拆卸安全阀阀盖螺栓。
Install valve cover (refer to valve cover installation in this section).安装阀盖（请参阅本节中的阀盖安装）。
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。
Tag location for gate and globe valves is typically on the valve yoke or body/bonnet flange.闸阀和截止阀的标签位置通常在阀门轭架或阀体/阀盖法兰上。
bellows seal bonnet波纹管密封型上阀盖
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。
Make sure you apply pressure to the cover as you lift it straight off.确保在将阀盖笔直提起的同时有压住阀盖。
Install relief valve cover nut and tighten.安装安全阀阀盖螺母，并加以紧固。
Test ports shall have internal check valve and be equipped with caps.测试端口应该内置止回阀并配置阀盖。
The stem and diaphragm assembly will normally remain with the cover as it is removed.阀杆和隔膜总成通常附在阀盖上与阀盖一起拆离。
Tag location for gate and globe valves is typically on the valve yoke or body/ bonnet flange.闸阀和截止阀的标签位置通常在阀门轭架或阀体/盖法兰上。
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。
Using an appropriate sized wrench, loosen the check valve cover. Unscrew the check valve cover and lift it off.采用尺寸大小适中的扳手松开止回阀阀盖。宁松止回阀阀盖并将其取出来。
