把腿张开老子臊烂你在线观看_男男纯肉gv无码免费播放_污污网站在线分享的内容是很丰富的_欧美日韩福利片在线观看_黑人巨鞭大战中国人妻_粗大的内捧猛烈进出爽_无弹窗播放欧美日韩亚洲视频一区_日本高清网站

德州市
hisiosd@163.com
0534-2118977 客服熱線:4000388969

玻璃鋼纏繞管道施工解決方案

FRP winding pipeline construction solution

玻璃鋼纏繞管道長度一般長度12/根,根據客戶需要生產特殊長度管道,單根管道長度從而加快安裝速度,采用承插式雙“O”型密封圈密封,安裝邊對接口進行單口試驗水壓,確保接口的密封性,確保管道整體試壓一次性通過。

The length of fiberglass winding pipe is 12 meters per root, according to the customer's need to produce special length pipe, single pipe length to speed up the installation speed, using socket-type double“O” Seal Ring, the installation side tests the water pressure on the interface, ensures the sealing of the interface, and ensures the pressure test of the whole pipeline to pass once.