Oilmec’s Slip on Heavy Duty Welded Straight spiralizor is specially designed for Horizontal wells and highly deviated. The heavy steel construction is highly effective as compare to other alloy. Wide symmetrical Straight fins are welded to the one piece rolled formed Sleeve under required temperature and condition with extra low Hydrogen coated Electrodes, which assured ultimate strength and uniformity in every weld. Steel construction provides superior toughness over other materials. Vanes can be selectedto meet any hole. Straight Slip On Welded Spiralizor are provided for direct installation on the pipe by slipping on and can be provided with compatible Stop Collars beveled from one side positioned by set screw. These centralizers undergo a special Phosphate coating process to prevent from Rust then coated with special Polyester Powder they are available in all sizes ranging from 3 1/2″ to 13 3/8″.