API Hinged Bow Non-Welded Oilwell Casing Centralizer for Cementing

• Certification: ISO 9001:2008, API 10d
• Surface Treatment: Spray-Paint
• Centralizer Type: Elastic
• Material: 65mn
• Type: Centralizer
• Centralizers Type: Hinged Non Welded Bow Spring Centralizer
• Model NO.: ZS106
• APP: Well Drilling
• Sample: Avaliable
• OEM: Avaliable
• Transport Package: Wooden Case
• Specification: 4-1/2" to 20"
• Trademark: ZS
• Origin: Henan
• Production Capacity: 50000 Piece/Pieces Per Month

Product Description

Hinged Non-Welded Casing 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 non-welded bow 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: 

Non welded centralizer specification(mm)
Specification	Bow type	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"	Double bow	142-148	3-5			90-120	650±50			225±5	5
7"*9-5/8"	Double bow	181-186	3-5			90-120	650±50			255±5	6
7"*8-1/2"	Single bow	181-186	3-5			90-120	650±50			235±5	6
8-5/8"*12-1/4"	Single bow	223-228	3-5			90-120	650±50			330±5	8
9-5/8"*12-1/4"	Single bow	250-255	3-5			90-120	650±50			330±5	8
10-3/4"*12-1/4"	Single bow	274-276	3-5			90-120	650±50			330±5	9
13-3/8"*17-1/2"	Single bow	342-347	3-5			90-120	650±50			450±5	11
18-5/8"*24"	Single bow	476±1	3-5			90-120	600±50			610±5	12
20"*26"	Single bow	510±1	3-5			90-120	600±50			660±5	12
Welded centralizer specification(mm)
5-1/2"*8-1/2"	Single bow	142-148		5-7	50-60			650±50	225±5		5
5-1/2"*8-1/2"	Double bow	142-148		5-7	50-60			650±50	225±5		5
5-1/2"*8-1/2"	Cyclone single bow	142-148		5-7	50-60			650±50	225±5		6
6"*8-1/2"	Double bow	154-118		5-7	50-60			650±50	225±5		5
13-3/8"*17-1/2"	Single bow	342-349		8	50-60			580	450±5		6
20"*26"	Single bow	510-518		8	50-60			650±50	670±5		10