• Model NO.：5 1,2" x 8 1,2"
• Size：4 1,2"*6",5 1,2""*8 1,2"
• Color：Black,Yellow
• Sample：Available
• Drawing：Available
• ODM：Available
• OEM：Available
• Length：245mm
• Vanes：4PCS
• Transport Package：Wood Cases
• Specification：5 1,2" x 8 1,2"
• Trademark：ZS
• Origin：Henan, China
• HS Code：84314310
• Production Capacity：10000PCS,Month

No. 
Type
Inside diameter (mm)
Height (mm)
Total height (mm)
Largest diameter (mm)
1
5"*12-1/4"
128-131
105
690
330
2
5"*20"
128-131
105
720
535
3
5-1/2"*7"
142-148
55
650
215
4
5-1/2"*8-1/2"
142-148
55
650
225
5
6"*8-1/2"
156-158
55
650
235
6
7"*8-1/2"
181-186
55
650
235
7
7"*9-5/8"
181-186
55
650
255
8
7-5/8"*9-5/8"
197-201
55
650
275
9
9-5/8"*12-1/4"
250-255
55
650
330
10
13-3/8"*17-1/2"
342-347
55
650
450
CHARACTERS: 

It makes the casing centralized in wellbore and improves cementing quality. 

1. Spiral Vane increase annular turbulence. 

2. With the shape of stream-lined, it enables casing run easily in wellbore. 

3. Both straight blade and spiral blade are available. 

4. The material can be cast steel or cast aluminum or nylon P66. 

Description: 
- Moulded during high pressure high temperature process 
- Spiral Blades 22-25° and melon shaped 
- Passive Straight Blades 5° and melon shaped 
- Patented Anti-Swage Rings incorporated in each end 
- Generous By-Pass Area provided 
- Numerous Pipe x Hole size configurations available 
- Low Weight 
- Premium Self-Aligning Stop Collars also available