Hold centralizers or cement baskets on any position of casing, which ensures the positions of centralizers or cement basket to meet the design. The stop collars are available in three types: KnockOn Type, Spiral Nail Type and Set Screw Type.The stop collars can be installed on any position on casing to limit the axial movement of centralizers and cement baskets.
Stop collar characters:
1. The stop collars are available in three types: Knock-On Type, Spiral Nail Type and Set Screw Type.
2. The stop collars can be installed on any position on casing to limit the axial movement of centralizers and cement baskets.
Stop collar Usage
1. Fastening screw stop ring when use, first set into the casing, and then using a wrench to tighten the screws.
2. Fixed screw type when use, first set into the casing, and then insert screws, type in with a hammer.
3. Snap fit stop ring, direct stop ring button on the casing, use pin lock, then knocked into the screws.
stop collar Specification
Specification(inch)
I.D.(mm)
O.D.(mm)
Holding Force (KN)
13-3/8
338
350
40
10-3/4
272
284
40
9-5/8
245
257
40
8-1/8
206
218
30
7-5/8
193
285
30
7
177
189
30
5-1/2
139
151
30
5
126
138
24
4-1/2
114
126
24
Packaging & Shipping
Packing details: plywood case or according to customer demand
delivery time: 7 -30 days after payment
Company Information
Restructured from SINOPEC in 1997, Puyang Zhongshi Group Co., Ltd has 20 years manufacturing experience of petroleum machinery products till now, we have competitive prices of our main products of casing accessories like bow spring centralizer, solid rigid centralizer,float equipment, cementing plug ,sucker rod pump ,pumping unit 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.
Our Services
qualified goods, prompt delivery, and good aftersale service
