Hinged Collar Welded Type Bow Drill Pipe Centralizer
Character:
>>Welded Slip on Spring Bow Centralizer, Its Operational, General design, Features and Characteristics are the same as Hinged Welded Centralizers.
>>Collars are specially designed with roll formed peripheral ridges which provide extra rigidity.
>>Slip On Centralizers are provided for direct installation on pipe by slipping on and can be provided with Set Screws for elimination of Stop collar.
>>They are shipped in assembled condition only.
>>These Centralizers are available with combination of Bows configure from choice of seven standard Bow height for optimum Starting and Restoring Force.
>>These centralizers undergo a special Iron Phosphate coating process to prevent from Rust then coated with special Polyester Powder.
>>These are available in all sizes ranging from 4 1/2" to 20".
>>Any special sizes or combination can available on request.
Parameters:
| 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 |
| 11 |
5-1/2 "*8-1/2" |
142-148 |
110 |
650 |
225 |
| 12 |
7 "*9-5/8" |
181-186 |
110 |
650 |
255 |
| 13 |
7 "*8-1/2" |
181-186 |
110 |
650 |
235 |
| 14 |
5 "*6-1/2" |
128-131 |
110 |
650 |
175 |
| 15 |
7-5/8 "*9-1/2" |
196-200 |
110 |
650 |
250 |
| 16 |
10-3/4 "*12-1/4" |
274-276 |
110 |
650 |
330 |
| 17 |
5 "*6-1/4" |
130-132 |
110 |
650 |
170 |
| 18 |
9-5/8 "*12-1/4" |
250-255 |
110 |
650 |
330 |
| 19 |
13-3/8 "*17-1/2" |
342-347 |
110 |
650 |
450 |
| 20 |
5-1/2 "*8-1/2" |
142-148 |
55 |
650 |
225 |
Established in 1997, Puyang Zhongshi Group Co., ltd is a restructured enterprise of SINOPEC. We have 10 years export experiences and 9 factories with annual output value of $80 million. Our customers are from America, Central Asia, Southeast Asia, Africa, Middle East, etc. We have the certificates of API 5CT, API 10D, API 11E, API 6A, API 11AX, ISO 9001 and ISO 14001.
Specialized in Petrolem equipment, our products mainly include:
1. Pumping Unit 2. Tubing Pump/Sucker Rod Pump and Accessories
3. Float Collar & Float Shoe 4. Casing Centralizer
5. Cementing Plug 6. Cementing Head
7. Stage Collar 8. Casing/Tubing and Coupling
9. Drill Pipe 10. Sucker Rod
11. Air Blaster 12. Sucker Rod Guide
Audited Supplier 
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