Product Name: Slip-on Hollow Blade Rigid Centralizer with API 10d Model NO.: ZS-RC02 Product Name: Hollow Blade Rigid Centralizer Sizes: 4 1/2"- 13 3/8" Material: Carbon Steel Application: Oilfield Drilling Certification: API 10d Technical Support: Yes Factory Visit: Yes Third-Party Inspection: Yes Package: Wooden Case Delivery: 30 Days for 10000 Pieces Trademark: Zhongshi Transport Package: Wood Case Packaging Specification: 4 1/2"- 13 3/8" Origin: Henan, China HS Code: 8431 Product Description Slip-on Hollow Blade Rigid Centralizer with API 10DProductDescriptions:Rigidcentralizersareanintegralpartofthecementingprocess.Theyprovidethemechanismthatcentersthecasingintheholeandallowsuniformcementflowaroundthecasingtohelpprotectitatallpoints.Severalstylesofcentralizersareavailableformatchingdifferentwellspecificationsandholesizes,includingturbulencegeneratingdesignsthathelpcleantheannulusanddistributethecementmoreevenlyanduniformly.Allmodelsofferampleclearanceforfluidpassageandareextraeffectiveincenteringthecasing,eveninhighlydeviatedholesandimprovecementflowbyreducingtheeffectsofchanneling.TechnicalParameters:ModelStyleMaxOD,mmID,mmLength,mmZSGF-41/2"*6"I,II,III145116.5200ZSGF-5"*6" I,II,III145129200ZSGF-51/2"*81/2"I,II,III205-210142200/300ZSGF-65/8"*81/2"I,II,III205-210171200/300ZSGF-7"*81/2"I,II,III205-210181200/300ZSGF-7"*91/2"I,II,III225-235181200/300ZSGF-7"*95/8"I, II,III225-235181200/300ZSGF-95/8"*121/4"I,II,III300-305248200ZSGF-133/8"*171/2"I,II,III430-435346200Note:ZSGFseriesrigidcasingcentralizerisdividedintostraightstriptype(TypeI),spiraltype(TypeII)androllertype(TypeIII).