Puyang Zhongshi Group Co., Ltd.
| Payment Terms | T/T, L/C, D/A, D/P, Western Union |
| Supply Ability | 500 pieces/month |
| Delivery Time | 20 |
| Packaging Details | wooden case |
| Name | stop collar |
| Application | Oil field drilling |
| Weight (KG) | 0.5 |
| Stop collar size | 131 ~ 540 mm |
| Warranty | 1 Year |
| Processing Type | Forging |
| connection | As your request |
| Brand Name | ZS |
| Model Number | 4-1/2 ~ 20 in |
| Certification | API |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C, D/A, D/P, Western Union | Supply Ability | 500 pieces/month |
| Delivery Time | 20 | Packaging Details | wooden case |
| Name | stop collar | Application | Oil field drilling |
| Weight (KG) | 0.5 | Stop collar size | 131 ~ 540 mm |
| Warranty | 1 Year | Processing Type | Forging |
| connection | As your request | Brand Name | ZS |
| Model Number | 4-1/2 ~ 20 in | Certification | API |
| Place of Origin | China |
Stop collars
Keep centralizers and other casing attachments in place on the casing.
Available in hinged and slip-on styles and size from 2-3/8''- to 30''.
Stop collars use set screws for increased holding force. The hinged design is for applications on upset tubing. These stop collars are available in slip-on for tight clearances and hinged for semi-tight clearances.
Hinged stop collars that use hardened inserts (dogs) to provide a positive lock onto the casing. The specially designed dogs bite into the casing, which provides the stop collar's strong holding force. The recommended torque on the bolt is approximately 25 to 35ft-lb. When properly installed, the hinged stop collar can provide a holding force up to 40,000lb.
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 35ft-lbf. This style of stop collar can hold forces up to 20,000lb. They are designed for close-tolerance 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.
A: We are factory.
A: Generally it is 1-5days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
A: Payment<=1000USD, 100% in advance.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1997
Total Annual:
5 million-10 million
Employee Number:
570~600
Ecer Certification：
Verified Supplier
Puyang Zhongshi Group Co., Ltd., restructured from SINOPEC in 1997 has 20 years experience on manufacturing petroleum machinery products . The company registered capital is 10 million U.S. dollars, with annual export 30 million U.S. Dollars. We have competitive price of o... Puyang Zhongshi Group Co., Ltd., restructured from SINOPEC in 1997 has 20 years experience on manufacturing petroleum machinery products . The company registered capital is 10 million U.S. dollars, with annual export 30 million U.S. Dollars. We have competitive price of o...
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