Casing CentralizerCasing Centralizer is an important device which is used to keep the casing at the center of the hole in the aim of improving the cementing efficiency. The purpose of a Casing Centralizer is to facilitate running casing to the desired depth and assist in centering the casing in the well bore.Feature: simple structure, easy to use, long service period. Type: Single Bow-Spring Centralizer, Double Bow-Spring Centralizer, Spring Centralizer, Hinged Non Weld Bow Spring, Hinged Weld Bow Spring, Slip on Welded Bow Spring, Drill Pipe Centralizer, Spiral Cast Al/Zn Centralizer, Straight Cast Al/Zn Centralizer, Slip on Cast Steel Centralizer, Spiral Cast Al/Zn Centralizer C/W Integral Stop, Rigid Centralizer, Roller Rigid Centralizer, etc.Technical Parameter of Casing Spring CentralizerSpecificationNo.s of SpringOD (mm)ID (mm)Height (mm)4 1/2" x 6"4160116450/5754 1/2" x 6 1/4"4167116450/5754 1/2" x 7 7/8"4210116450/5754 1/2" x 8 1/2"4230116450/5755" x 6"4160128450/5405" x 6 3/4"4180128450/5755" x 7 7/8"4210128450/5755 1/2" x 7 7/8"5210140450/5755 1/2" x 8 1/2"5216/245140450/5755 1/2" x 8 3/4"5222/250140450/5755 1/2" x 9 7/8"5251/264140450/5755 1/2" x 9 1/2"5242/264140450/5757" x 8 1/2"6216/230179450/5757" x 8 3/4"6222/233179450/5757" x 9 1/2"6242/264179450/5757" x 9 7/8"6251/264179550/6509 5/8" x 12 1/4"8346245550/6509 5/8" x 13 3/8"8346/352245550/6509 5/8" x 12 13/16"8378245550/65010 3/4" x 15 1/2"9405275550/65010 3/4" x 14 3/4"9374275550/65013 3/8" x 17 1/2"10440/466342550/65013 5/8" x 17 1/2"11440/466342550/65020 x 26"17696510550/610/650Technical Parameter of Rigid CentralizerSpecificationOD (mm)ID (mm)OAL (mm)4 1/2″×6″145116.52005″×6″1451292005 1/2″×8 1/2″205-210142200/3006 5/8″×8 1/2″205-210171200/3007″×8 1/2″205-210181200/3007″×9 1/2″225-235181200/3007″×9 5/8″225-235181200/3009 5/8″×12 1/4″300-30524820010 3/4″×11 3/4″365-37027820013 3/8″×17 1/2″430-435346200If you have any further requirements, please feel free to contact us by sales@sxgtpm.com