Gold Member Since 2010
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Puyang Zhongshi Group Co., Ltd.

API Single Piece Centralizer, Single Piece Centralizer Made in China, Casing Centralizer with Teflon Coatings manufacturer / supplier in China, offering API 10d Teflon Coated Single Piece Centralizer, Slip on Single Piece Bow Spring Casing Centralizer, Spiral Blades Configurations Thermoplastic Centralizer and so on.

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API 10d Teflon Coated Single Piece Centralizer

Purchase Qty.:
1-999 1,000-2,999 3,000-4,999 5,000-9,999 10,000+
FOB Unit Price: US $45 US $44.8 US $44 US $43 US $41
Purchase Qty. (Pieces) FOB Unit Price
1-999 US $45
1,000-2,999 US $44.8
3,000-4,999 US $44
5,000-9,999 US $43
10,000+ US $41
Get Latest Price
Port: Qingdao, China
Production Capacity: 20000PCS/Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: 4 1/2"-20"
  • Sample: Available
  • Height: Based on Request
  • OEM: Available
  • Markings: Available
  • Transport Package: Wood Cases
  • Origin: Henan, China
  • Size: 4 1 /2"-20"
  • Thickness of Coatings: Based on Request
  • ODM: Acceptable
  • Drawing: Available
  • Trademark: ZS
  • Specification: 4 1/2"-20"
  • HS Code: 843143100
Product Description
                                   Slip on Bow Spring Casing Centralizer with Teflon Coatings

API 10D High Restoring Force Integral Casing Centraliser,Slip on Bow Spring Centralizer, Single One Piece Casing Centralizer
1) Material: 65Mn steel
2) Type: Single Piece Bow Spring Casing Centralizer
3) Standard: API 10D
4) API and ISO certified
5) Specifications: 4 1/2''---20''. More special sizes or combination are available as requested.
6) High Restoring Force:  This kind of single piece casing centralizer has restoring force about 198% higher than API standard. 
Bow spring centralizers are to help center the casing in the wellbore, allowing even distribution of the cement around te casing during cementing operations.
8) Function
a. Take casing to designed position by reducing sticking while casing going down.
b. Centralize casing in well.
c. Balance liquid pressure in annular space by reducing adhesion phenomenon.
d. Improving replacing ratio of mud and boosting cementing quality by reducing channeling effect.
9) Features:
a. Designed for high restoring force and low starting&running force
b. Undergo special coating process to prevent from rust
c. Averagely 198% higher restoring force than API standard.

API 10d Teflon Coated Single Piece Centralizer
API 10d Teflon Coated Single Piece Centralizer
API 10d Teflon Coated Single Piece Centralizer
API 10d Teflon Coated Single Piece Centralizer
API 10d Teflon Coated Single Piece Centralizer

10) Parameter
Hooping In-Dia. (mm)Hooping thickness(mmTotal length
Amount of spring(mm)
5-1/2" x 8-1/2"142-1483-5650±50225±55
7" x 9-5/8"181-1863-5650±50255±56
7" x 8-1/2"181-1863-5650±50235±56
8-5/8 x 12-1/4"223-2283-5650±50330±58
9-5/8 x 12-1/4"250-2553-5650±50330±58
10-3/4 x 12-1/4"274-2763-5650±50330±59

This integral one-piece bow spring centralizer is a high-end centralization product. The 
centralizers are built to gauge to offer easier, RIH, maximize standoff, and maximize the cement job. The UROS range of centralizers are built mostly for passing through close tolerance situations and then opening back up into under reamed holed sections, or washed out  sections, while still providing quality stand-off  performance. Bow spring sections are based on a straight bladed principle, but are curved in both axial and tangential directions. This cross curvature conforms to the borehole wall, while the axial curvature changes proportionally as it encounters different loads. As the loads increase, the surface contact area also increases, reducing the load per square unit of area. This helps avoid compression and shear failure of the formation surface.
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Ms. Molly Wei
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