亚洲国产日朝欧美综合久久_一级免费毛片播放_精彩视频免费在线观看_亚洲欧美中文丝袜_国产综合视频久久三级影视_国内偷牌自牌二区_奇米影视首页_中文字幕乱码免费不卡高清_欧美成人免费公开播放_2022无码专区人妻系列日韩

STRENGTHENER TYPE：

a).Spiral type（weld with flanges，round bar or square bar）

b).Vertical tupe（weld with plate）

c).Perforated base pipe（weld perforated pipe）

CONNECTED TYPE：

a)、Flanged

b)、Female thread

c)、Male thread

FLOW DIRECTION:

1、FOTI (Flow from outside to inside). Circumferential profile wire

2、FOTI (Flow from outside to inside). Circumferential support bar.

3、FITO (Flow from inside to outside). Circumferential profile wire

4、FITO (Flow from inside to outside). Circumferential support bar.

5、FITO (Flow from inside to outside). Circumferential profile wire