适用于液压缸活塞杆往复运动用密封装置，也可用于法兰端盖的静密封装置。
Apply to reciprocating motion of hydraulic cylinder piston rod sealed device can also be used to cover the static flange seal.
主要生产和销售六角头螺栓、六角法兰面螺栓、双头螺栓、马车螺栓、组合螺钉、钻尾螺丝、全牙丝杆。
Produce and sell six head bolt, bolt, pairs of head bolt, carriage bolt the six flange, make screw up, get into tail screw, the whole tooth silk pole mainly.
该杆480有一个安装同步法兰。
本设备主体部分为四柱液压机，主要用于大型电力杆的底法兰在焊接前的预弯变形，以确保底法兰与杆体焊接后端面保持水平。
The main part is 4 column pressure. Used for pre-deforming before welding large electric pole's bottom flange to ensure flatness after welding.
本实用新型公开了一种顶板锚杆拆卸机，包括有气腿部件、气动扳手和套筒，所 述气动扳手下端设有法兰盘；
The utility model discloses a roof bolt disassembling machine, including an air leg part, a pneumatic wrench and a sleeve, the lower end of the pneumatic wrench is provided with a flange;
在阀门完全关闭状态下，阀杆在连接法兰顶端上方需高出至少相当于阀杆直径两倍的长度。
With the valve in the fully closed position the stem length shall protrude a distance of at least twice that of the stem diameter above the top of the mounting flange.
在阀门完全关闭状态下，阀杆在连接法兰顶端上方需高出至少相当于阀杆直径两倍的长度。
With the valve in the fully closed position the stem length shall protrude a distance of at least twice that of the stem diameter above the top of the mounting flange.
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