One Piece Bow Spring Centralizer. One piece design, centralize casing in the wellbore during running and cementing operations. ASLO. ASLO ® is our patented product with advantage of single spring steel design and unique stress relief blade. It’s widely used in under reamed and close tolerance applications. ASLO -SUB.Mackeral Oil Private Tool - Offering Casing Centralizer, Bow Spring Centralizer, Bow Centralizer, Bow Spring Centraliser, केसिंग Casing Centralizer. All products conform to 10D production specifications. Positive Type, Welded Spiral Type, Non-Welded Type, Double Bow type. Casing Size O.D.: 4-1/2 ~ 20 in (114 ~ 508 mm) Hole Size O.D.: 6 ~ 26 in (165 ~ 680 mm) We can give you really high quality products withpetitive price. We have a better understanding in Dec 07, 2020 · Flow Activated Bow Spring Centralizer The Flow Activated Bow Spring Centralizer is designed to allow the toolstring or parts of the toolstring to be centralized in the tubing/casing for various e Flow Activated Bow Spring Centralizer is designed so that its bow springs are normally retracted.