API 10d Hinged Welded Bow Spring Casing Centralizer

• Certification: ISO 9001:2000, ISO 9001:2008
• Surface Treatment: Spray-Paint
• Centralizer Type: Semi-Rigid
• Structure: Slider
• Material: Cast Steel
• Type: Centralizer
• Model NO.: 4 1/2"-20"
• Sample: Available
• Spec: 3 1 /2"-20"
• Color: Red/Orange/Black/Blue
• Certificate: API 10d
• Drawing: Available
• ODM: Available
• Transport Package: Wood Cases
• Specification: 3 1/2"-20"
• Trademark: zhongshi
• Origin: China
• HS Code: 84314310
• Production Capacity: 10000PCS/Month

Product Description

                                             Hinged Semi Rigid Welded Bow Spring Centralizer

 Welded Bow Spring Centralizer ensures high efficiency in casing. Welded Centralizer has more Restoring Force as compare to Non Weld Centralizer. The Centralizers have double crested Bow Spring strongly welded to the End Collar under required temperature and condition with extra low Hydrogen coated Electrodes, which assures ultimate strength and uniformity in every weld.

Integral hinge folded on the inside stay intact even under extreme stress. The End Collars are designed with a reinforcing Rib stamped into the End Collar to give maximum structural toughness. These generally shipped in half assembled condition for economy in shipping and storage cost.


These  Welded Bow Spring Centralizer are available with combination of Bows configure from choice of four standard Bow height for optimum starting and Restoring Force. These centralizers undergo a special Iron Phosphate coating process to prevent from Rust and then coated with special Polyester Powder.
These can be shipped in half assembled condition for economical in shipping and storage costs. These are available in 4 1/2″ to 20 " sizes.















 
Technical Parameter:

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