API Q1 Slip on Weld Bow Spring Centralizer for Well Cementing

• Certification: ISO 9001:2000, API
• Surface Treatment: Spray-Paint
• Centralizer Type: Elastic
• Model NO.: single piece centralizer
• Material: Spring Steel
• Type: Centralizer
• Sample: Avaliable
• Features: High Restoring Force
• Transport Package: Wooden Case
• Specification: 4 1/2"~20"
• Trademark: ZS
• Origin: Henan
• HS Code: 8431
• Production Capacity: 10000 Piece/Pieces Per Month

Product Description

Slip On Weld Bow Spring Centralizer

Avaliable Centralizer Size 

Model(in)	Hooping In-Dia.(mm)	Hooping  thickness  (mm)	Hooping height(mm)	Total Length(mm)	Max. Out-Dia.(mm)	Spring  Pieces
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

Feaures
1) Material: 65Mn seamless pipe
2) Type: One Piece Construction
3) Certificate: API 10D and ISO certified
4) Size: 4 1/2''---20''. More special sizes or combination are available as requested.
5) High Restoring Force: has restoring force about 198% higher than API standard. 
With highest restoring force, zero start force, zero running force.
6) No any weld point. No weakness point.