• Model NO.：Single Piece Centralizer
• Item：Single Piece Casing Centralizer
• Sample：Available
• OEM：Accepted
• Transport Package：Wooden Case
• Specification：4 1,2"~20"
• Trademark：ZS
• Origin：China
• Production Capacity：15000PCS,Month

Basic Info.

Model NO. Single Piece Centralizer Item Single Piece Casing Centralizer Sample Available OEM Accepted Transport Package Wooden Case Specification 4 1/2"~20" Trademark ZS Origin China Production Capacity 15000PCS/Month

Product Description

Single Piece Bow Spring Centralizer

1. Our single piece casing centralizer has restoring force almost two times of API standard. 
2. The shuttle-shape bow (narrower bar at two ends) is the unique design for our casing centralizer. This design has higher restoring force, anti-drag feature and more beautiful appearance than normal single piece centralizer.
3. The baking varnish mat coating on the surface of centralizer looks more beautiful.
4. The extending straight bows near two end collar achieve higher restoring force.
5. The bulgy bars in middle of each bow have better restoring function.
6. Made from high strength steel (65Mn steel) for whole piece.
7. Designed with slip-on structure.
8.  Have better centralizing function because of its higher restoring force.
9. Undergo special coating process to prevent from rust.
10. Made of pipe, with laser cutting processing.

Parameter

Specification	Casing Size (mm)	Hole Size (mm)	Inner Diameter (mm)	Outer Diameter (mm)
4-1/2″×6″	114	152	118	152
5″×6-1/2″	127	165	132	165
5-1/2″×6-1/2″	140	165	142	165
5-1/2″×8-1/2″	140	216	142	218
6-5/8″×8-1/2″	168	216	172	218
7″×8-1/2″	178	216	182	218
7″×9-1/2″	178	241	182	243
7-5/8"×9-1/2"	194	241	198	243
7-5/8″x9-7/8″"	194	251	198	253
9-5/8″×12-1/4″	244	311	249	311
10-3/4"× 12-1/4"	273	311	278	311
12 3/4"×17-1/2"	324	445	328	445
13-3/8″×17-1/2″	340	445	344	445
14-3/8"×18-3/4"	365	476	369	476
16"×20"	406	508	410	508
18-5/8"×24"	473	610	474	610
20"×26"	508	660	512	660