
Casing Equipment Hinged Welded Well Casing Centralizer Bow Spring Centralizers
Puyang Zhongshi Group Co., Ltd.- Certification:API
- Surface Treatment:Spray-Paint
- Centralizer Type:Elastic
- Structure:Automatic Reversing
- Material:Alloy
- Type:Centralizer
Base Info
- Model NO.:hinged centralizer
- Centralizers Type:Hinged Welded Centralizer
- APP:Well Drilling
- Sample:Avaliable
- OEM:Avaliable
- Restoring Force:High
- Running Force:Low
- Starting Force:Low
- Transport Package:Wooden Case
- Specification:4-1,2" to 20"
- Trademark:ZS
- Origin:Henan
- Production Capacity:20000 Piece,Pieces Per Month
Description
Basic Info.
Model NO. hinged centralizer Centralizers Type Hinged Welded Centralizer APP Well Drilling Sample Avaliable OEM Avaliable Restoring Force High Running Force Low Starting Force Low Transport Package Wooden Case Specification 4-1/2" to 20" Trademark ZS Origin Henan Production Capacity 20000 Piece/Pieces Per MonthProduct Description
Hinged Welded Well Casing CentralizersFeatures of hinged welded centralizer
- Welded centralizer has more restoring force than non welded centralizer.
- The end collars are designed with a reinforcing rib, and been stamped into the end collar to give maximum structural toughness.
- Hinged centralizers could be shipped in half assembled condition.
- Sizes range from 4-1/2" to 20", custom size is avaliable.
Model | Hooping In-Dia. | Hooping thickness | Total length | Max.Out-Di | Amount of spring |
(in) | (mm) | (mm) | (mm) | (mm) | (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 |



