国际精品产品卓越拓展

A low temperature stop valve, Unlike Example 1, Comprises a valve body 1 and a valve cover 2, A valve stem 3 is arrange in that valve body 1, One end of the valve stem 3 is provided with a valve disc 4, The other end of the valve stem 3 is provided with an adjusting handwheel 5, A low portion of that disc 4 is provided with a guide sleeve 6, The guide sleeve 6 is fixed by means of a connecting piece and a spring pad 8, Between that disc 4 and the guide sleeve 6 is provide a valve seat 7, Between that valve stem 3 and the valve cov 2 there is provided a packing assembly 9, The O-ring 10 is further arranged at the upper part of the packing assembly 9, the upper part of the O-ring 10 is provided with a packing gland 11, the valve body 1 is provided with an arc-shaped end face 12, the arc-shaped end face 12 forms a line seal between the valve body 1 and the valve seat 7, the contact end of the valve disc 4 and the valve seat 7 is provided with a water grain surface 41, the packing assembly 9 comprises a flexible graphite packing layer, and the valve body 1 is provided with a liquid inlet cavity and a liquid outlet cavity.黑云压顶、山雨欲来，一场惊心动魄的厮杀就在眼 欢喜姻缘前：名捕（张国立饰）一路猛追，终于将威震八方的“江洋大盗”（陈亚兰饰）逼到了绝境，随着隆隆的雷声和铿锵的鼓点两人兵刃相见。刹时，只见风卷残云，日月变色，天昏地暗，一剑挑飞了“江洋大盗”的面纱盖头，定睛一看，大惊失色，此“江洋大盗”不是别人，正是自己的未婚妻！目瞪口呆之际，脚下一滑，名捕直向万丈深渊栽下去……幸亏名捕的未婚妻眼疾手快，一把将其抓住！眼见未婚妻身后石块松动，摇摇欲坠，名捕要陈亚兰快快松手，然后痴情女子哪肯舍弃心爱之人，于是乎，一阵轰响，二人同时坠入深谷。两朵样云扶摇升起，天籁之声，余音袅袅…众人刚笑完，闻言接着又笑起来。宝刀屠龙，号令天下，莫敢不从。笑道：快快起来，铜山做的很好，很好。Building.奈何项羽直接不屑一顾，曾经的秦国上将军早没了往日的意气风发，低声下气换来的也只是别人的闭门羹。