• Model NO.：Integral Stop Collar
• Certificate：API
• Number of Screws：as Request.
• Samples：Available
• Usage：Well Cementing Tools
• Transport Package：Wooden Case
• Specification：3 1,2"-20", customizable
• Trademark：ZS
• Origin：China Mainland
• HS Code：0
• Production Capacity：100000PCS,Year

Basic Info.

Model NO. Integral Stop Collar Certificate API Number of Screws as Request. Samples Available Usage Well Cementing Tools Transport Package Wooden Case Specification 3 1/2"-20", customizable Trademark ZS Origin China Mainland HS Code 0 Production Capacity 100000PCS/Year

Product Description

I. Product Description 
∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴
1.Application and characteristic
   Position device (stop ring or stop collar), called position ring, stop circular, brake ring, etc.
   It is used to limit  the centralizer or cement basket slip on casing. It is divided into mobile
   screw type, fixed screw type and buckle type.

2. Install and use method
    a. When use mobile screw type stop collar, slip over the casing, tighten the screws using wrench.
    b. When use fixed screw stop collar, put the collar around the casing, insert the screw, and
        knock into screws by hammer.
    c. when install buckle type stop collar, buckle the stop collar onto the casing, lock with pin,
        knock into the screws.


II. Property Parameters 
∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴

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

III. About   Us 
∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴
Restructured from SINOPEC in 1997, we has 19 years manufacturing experience of petroleum machinery

products with competitive prices.

Main products of Cementing Equipment and casing accessories : spring centralizer, solid rigid centralizer,float

equipment, cementing plug etc.

We have 9 factories, more than 500 employees, and many kinds of production equipments.

We have certificates of API 5CT,6A,10D,11AX,11E, ISO 14001 and 9001.

With 10 years exporting experience,we have exported to more than 30 countries such as

America,Canada,Russia,Venezuela,Columbia,Thailand,Indonesia ,UAE,Saudi Arabia,Kazakhstan etc.