• Model NO.：ZS73
• Application：to Centralising The Centralizer
• Height：Standard or Custom
• Transport Package：Wooden Case
• Specification：4 1,2′′~20′′
• Trademark：ZS
• Origin：Henan
• HS Code：8431
• Production Capacity：5000 Piece,Pieces Per Month

Basic Info.

Model NO. ZS73 Application to Centralising The Centralizer Height Standard or Custom Transport Package Wooden Case Specification 4 1/2′′~20′′ Trademark ZS Origin Henan HS Code 8431 Production Capacity 5000 Piece/Pieces Per Month

Product Description

Allen screw fastening slip type stop collar, stop ring

Description
1.Stop collar type:Hinged type and slip on type
2.Size:4 1/2''~20'', according to the casing od.
3.Usage:For well drilling area, combine with the centralizers, such as bow spring centralzers, rigid centralizers.

Parameters of stop collar

Specifications, mm	13 3/8″	10 3/4″	9 5/8″	8 1/8″	7 5/8″	7″	5 1/2″	5″	4 1/2″
ID, mm	338	272	245	206	193	177	139	126	114
Od, mm	350	284	257	218	285	189	151	138	126
Holding force, kn	40	40	40	30	30	30	30	24	24

Our main products supply:
1.Casing centralizers
2.Float equipments
3.Cementing plugs
4.Cementing heads
5.Cementing baskets
6.Stage cementing collars
7.Stop collars

Company information
Puyang zhongshi group co.Ltd, is a professional manufacturer of various oilfield equipments and cementing accessories since 1997, restructured enterprise of sinopec.
We have the certificates of API 5CT, API 10d, API 11e, API 6A, API 11ax, ISO 9001 and ISO 14001, etc.
Our group have more than 10 years export experience and 9 subsidiary factories, more than 500 employees.We are the first-class supplier of resources market of sinopec and cnpc.Our foreign customers are mainly from America, central Asia, Russia, southeast Asia, Middle East, etc.