136微拍宅男导航在线-国产精品伦一区-中文字幕+乱码+中文字幕无忧-老司机亚洲精品影院无码-久久天堂综合亚洲伊人hd-中文字幕网站在线观看-国产精品国产三级国产普通话对白-免费看的av网站-亚洲美女性生活-亚色视频-高清亚洲-四虎无码永久在线影库网址一个人-国产一区日韩-国产精品露脸视频-少妇人妻丰满做爰xxx

Application:

Stop collar can be installed on any position of casing to limit the axial movement of centralizers and cement baskets, which ensures the positions of centralizers or cement basket to meet the design.

The stop collars are available in three types: Set Screw Type, Spiral Nail Type and Snap-fit Type. There are hinged and slip-on styles and they can fit 4-1/2” to 20”+ any size pipe.

Usage Method

1). Slip-on stop collar with set screw, first set into the casing, and then using a wrench to tighten the set screws.

2). Hinged stop collar with spiral nail, first set into the casing, and then insert spiral nails, hammer to latch.

3). Snap fit stop collar, first set into the casing, stab the pin into the ring, latch by hammering the pin.

Technical Paramete