• Model NO.：4 1,2"-20"
• Sample：Available
• Drawing：Available
• Color：Red,Orange,Black
• Spec：4 1 ,2"-20"
• ODM：Avaialble
• OEM：Available
• Transport Package：Wood Cases
• Specification：4 1,2"-20"
• Trademark：zhongshi
• Origin：Henan, China
• HS Code：843143100
• Production Capacity：10000PCS,Month

Specification
In-Dia(mm)
Wall
Thickness
(mm)
Height(mm)
Total height(mm)
Largest Dia(mm)
Spring Number
5-1/2"*8-1/2"
142-148
3-5
55
650
225
5
7"*9-5/8"
181-186
3-5
55
650
255
6
7"*8-1/2"
181-186
3-5
55
650
235
6
8-5/8"*12-1/4"
223-228
3-5
55
650
330
8
9-5/8"*12-1/4"
250-255
3-5
55
650
330
8
10-3/4"*12-1/4"
274-276
3-5
55
650
330
9
13-3/8"*17-1/2"
342-347
3-5
55
650
450
11
18-5/8"*24
476
3-5
55
600
610
12
20"*26
510
3-5
55
600
660
12
 Main features
Pressed by the mold, without welding and rivets, so the centralizer has a solid structure;
The centralizer has a trivalvular structure, which makes it easy for shipping;
The starting force and the reset force are both in accordance with the API standards;
Convenient Installation;
The displacement efficiency is improved more effectively with a spinning disk.

Bow spring centralizer
 
 1. These Centralizers are designed for High Restoring Force and Low Starting Force for centralizing the casing pipe in a Vertical, Horizontal and Deviated well
 2. Premium quality Bows are made of special alloy steel and hot formed in totally controlled heat treatment plant to achieve the uniform hardness all over

3. Spec and performance index of bow spring casing centralizer meet API Spec 10D. The woven centralizer is connected by pin when in use, the unfolded centralizer can be stacked flatly for convenient storage and transportation.