Stop Collars

Keep centralizers and other casing attachments in place on the casing

Stop collars are available in hinged and slip-on styles and can fit 23/8- to 30-in.-size pipe.

The slip-on stop collar with set screws is slipped onto the end of casing and up to the top of the joint to the desired location. 

The set screws are tightened to approximately 35 ft-lbf. This style of stop collar can hold forces up to 20,000 lb. 

They are designed for closetolerance liner jobs as well as in the installation of cement baskets and cetralizers of different designs. 

This style stop collar is available in 3 1/2-in.to 30-in. 

casing sizes.

puyang zhongshi factory casing stop ring

 our company

Puyang Zhongshi Group Co., Ltd. is a restructuring enterprise of China Petrochemical Group. The Group is an integrated enterprise and we mainly manufacture Petroleum machinery products. The main products are Oil Extraction Equipment, Drilling Equipment, Electrical Equipment, Pressure Vessel and Steel Structural Processing, 10 main categories and more than 100 items. Besides sold to the major domestic oil fields, our products also have been exported to more than 10 countries, such as America, Middle East, Central Asia, Africa and so on. 

welcome to contact us for casing stop collar stop ring