API Hinged Non Welded Bow Spring Centralizer for Drilling

• Certification: API
• Surface Treatment: Spray-Paint
• Centralizer Type: Elastic
• Structure: Non Welded
• Material: Alloy
• Type: Centralizer
• Model NO.: ZS71
• Centralizers Type: Hinged Non Welded Bow Spring Centralizer
• APP: Well Drilling
• Sample: Avaliable
• OEM: Avaliable
• Transport Package: Wooden Case
• Specification: 4-1/2" to 20"
• Trademark: ZS
• Origin: Henan
• HS Code: 8431
• Production Capacity: 50000 Piece/Pieces Per Month

Product Description

Hinged Non Welded Bow Spring Centralizer

Interlocking design between the end collar
Made of alloy steel with uniform hardness
Application:For vertical and deviated applications.
Size:4-1 / 2" to 20'', custom size is avaliable.

Features of hinged centralizer
>> bow springs are slightly larger than the wellbore.
>> the highest restoring force and the lowest starting force.
>>the heat treated bows enables these centralizer to provide best centralization as well as help in faster running of casing.
>>the bows are available in a range to accommodate any well profile.
>>the end collars have hinges which makes it in two halves.This enables them to be assembled at site.

Centrlizers parameter:

Specification	Hoop ring internal diameter (d)	Hoop ring wall thickness (t)			Hoop ring height (h)	Total length (l)			Max.O.D.Size	Bow spring (n)
5-1/2"*8-1/2"	142-148	3-5			90-120	650±50			225±5	5
7"*9-5/8"	181-186	3-5			90-120	650±50			255±5	6
7"*8-1/2"	181-186	3-5			90-120	650±50			235±5	6
8-5/8"*12-1/4"	223-228	3-5			90-120	650±50			330±5	8
9-5/8"*12-1/4"	250-255	3-5			90-120	650±50			330±5	8
10-3/4"*12-1/4"	274-276	3-5			90-120	650±50			330±5	9
13-3/8"*17-1/2"	342-347	3-5			90-120	650±50			450±5	11
18-5/8"*24"	476±1	3-5			90-120	600±50			610±5	12
20"*26"	510±1	3-5			90-120	600±50			660±5	12