Puyang Zhongshi Group Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 1000sets/month |
| Delivery Time | 15 work days |
| Packaging Details | Metal or wooden case |
| Type | Bow Type Spring Centralizer |
| Material | Carbon Steel |
| central multimedia | central machinery parts |
| central hydraulics scissor lift | toyota central locking system |
| Weight (KG) | 10 |
| Use | Well Drilling |
| Color | Customized |
| Coating | Galvanized |
| Weight | Varies |
| End Collar Type | Plain, Threaded, Flush |
| Mandrel Thickness | 3/8'' to 1/2'' |
| Size | 3-1/2'' to 20'' |
| Brand Name | ZS |
| Model Number | 5-1/2"X8-1/2"to20"X26" |
| Certification | API 11AX |
| Place of Origin | China,Henan |
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Product Specification
| Payment Terms | T/T | Supply Ability | 1000sets/month |
| Delivery Time | 15 work days | Packaging Details | Metal or wooden case |
| Type | Bow Type Spring Centralizer | Material | Carbon Steel |
| central multimedia | central machinery parts | central hydraulics scissor lift | toyota central locking system |
| Weight (KG) | 10 | Use | Well Drilling |
| Color | Customized | Coating | Galvanized |
| Weight | Varies | End Collar Type | Plain, Threaded, Flush |
| Mandrel Thickness | 3/8'' to 1/2'' | Size | 3-1/2'' to 20'' |
| Brand Name | ZS | Model Number | 5-1/2"X8-1/2"to20"X26" |
| Certification | API 11AX | Place of Origin | China,Henan |
| High Light | Casing Bow Spring Turbolizer ，Galvanized Bow Spring Casing Centralizer ，Carbon Steel Hinged Bow Spring Centralizer | ||
API Standard Single Bow Spring Centralizer for Casings:
High-quality centralizers are crafted from a special alloy steel and undergo a precise hot forming process in a controlled heat treatment plant. This meticulous manufacturing method ensures that the centralizers possess consistent and uniform hardness throughout their structure.
The specifications and performance index of bow spring casing centralizers adhere to the stringent standards set by API Spec 10D. This ensures that the centralizers meet the required quality and performance benchmarks established by the industry.
During operation, woven centralizers are connected using pins for secure attachment. When not in use, these centralizers can be effortlessly unfolded and stacked in a flat configuration. This clever design enables convenient storage and transportation, maximizing efficiency and ease-of-use.
API Standard Single Bow Spring Centralizer for Casings character:
1) The bow springs in these centralizers are manufactured using heat-treated and hardened tempered spring steel. This process ensures that the springs possess the necessary characteristics for proper and consistent spring action.
2) The end collar hinges are folded inward, reducing collar stretch that can occur when centralizers encounter tapers commonly found in certain types of pipe connections. This design feature minimizes potential issues and maintains the effectiveness of the centralizers.
3) To enhance durability and preserve its round shape during transport, the end collar is equipped with a stamped reinforcing rib. This rib provides added strength and stability, ensuring the centralizer remains intact during handling and transportation.
4) Multiple spring bow heights are available to accommodate various casing-to-hole configurations. This flexibility allows for optimal positioning and alignment to achieve efficient cementing operations.
5) Centralizers with built-in stop devices and uncommon sizes can be provided upon request. This option ensures that specific requirements and unique needs can be met, providing customized solutions for different applications.
| Model (in) | Hooping In-Dia. (mm) | Hooping thickness (mm) | Total length (mm) | Max.Out-Di (mm) | Amount of spring (mm) |
| 5-1/2" x 8-1/2" | 142-148 | 3-5 | 650±50 | 225±5 | 5 |
| 7" x 9-5/8" | 181-186 | 3-5 | 650±50 | 255±5 | 6 |
| 7" x 8-1/2" | 181-186 | 3-5 | 650±50 | 235±5 | 6 |
| 8-5/8 x 12-1/4" | 223-228 | 3-5 | 650±50 | 330±5 | 8 |
| 9-5/8 x 12-1/4" | 250-255 | 3-5 | 650±50 | 330±5 | 8 |
| 10-3/4 x 12-1/4" | 274-276 | 3-5 | 650±50 | 330±5 | 9 |
| 13-3/8"x17-1/2" | 342-347 | 3-5 | 650±50 | 450±5 | 11 |
| 18-5/8"x24" | 475-477 | 3-5 | 600±50 | 610±5 | 12 |
| 20"x26" | 509-511 | 3-5 | 600±50 | 660±5 | 12 |
Puyang Zhongshi Group Co., Ltd is a professional manufacturer of various oilfield equipments and cementing accessories since 1997, restructured enterprise of SINOPEC. Our group have 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.
We have the certificates of API 5CT, API 10D, API 11E, API 6A, API 11AX, ISO 9001 and ISO 14001. Our foreign customers are mainly from America, Central Asia, Russia, Southeast Asia, Middle East, etc.
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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