• Model NO.：4 1,2"-20"
• Sample：Available
• Size：4 1,2"-20"
• Color：Red,Black
• ODM：Acceptable
• OEM：Acceptable
• Coatings：Available
• Drawing：Available
• Transport Package：Wood Cases
• Specification：4 1,2"-20"
• Trademark：ZS
• Origin：China
• HS Code：84314310
• Production Capacity：5000PCS,Month

Basic Info.

Model NO. 4 1/2"-20" Sample Available Size 4 1/2"-20" Color Red/Black ODM Acceptable OEM Acceptable Coatings Available Drawing Available Transport Package Wood Cases Specification 4 1/2"-20" Trademark ZS Origin China HS Code 84314310 Production Capacity 5000PCS/Month

Product Description

API 10D Composite Casing Centralizer
 
Composite Casing Centraliser is the ultimate in down-hole centralisation, offering field proven lower friction coefficients leading to superior drag and rotational torque reduction. High abrasion resistant proprietary engineered polymer ensures maximum stand-off at TD. Robust enough to meet the challenges of today's most demanding wells. 
 
Composite Materials: 
- Moulded during high pressure high temperature process 
- Spiral Blades 22-25° and melon shaped 
- Passive Straight Blades 5° and melon shaped 
- Patented Anti-Swage Rings incorporated in each end 
- Generous By-Pass Area provided 
- Numerous Pipe x Hole size configurations available 
- Low Weight 
- Premium Self-Aligning Stop Collars also available  
specifications for reference:
 

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