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PPFF - <br /> Y <br /> RECOMMENDATIONS*, • • <br /> Cutting Wheel Casing Material Speed for 20' Approximate Hole <br /> 8.Thickness Section [6.1 m] Size & Spacing <br /> Steel(Std.) Mild Steel 0.25"-0.375" [6.35-9.5mm] 15 seconds;-105 holes 1"X 0.25";Spaced 1.5"[25X6.35;38mm] <br /> PVC PVC Schedule 40&80 60 seconds;-140 holes 0.5"X 0.20";Spaced 1.6"[13X5.1;41 mm] <br /> Steel(Thin) Mild Steel 0.25"-0.375"[6.35-9.5mm] 15 seconds;-105 holes 1"X 0.18";Spaced 1.5"[25X5.0;38mm] <br /> -Speed is recorrlrnended, faster or sloe-ver-is possible. Some user's have perforated 0.5"thick casing but it is not guaranteed:very hard <br /> material;such as drill pipe(esp.N80 Rj55)generally will not perforate. Hole size, number, and spacing will vary with cutter wear. material <br /> of casing, thickness of casing,speed, and size of perforator(4", 6". 107;4"-20%thinner, 10"--50%thicker). Uniformity of holes may vary <br /> down the column due to formation and material inconsistencies. The thin steel cutting Wheel is only available for the 6"perforator.it is used <br /> for thinner holes,requires less force to punch holes,and can be used on smalter Rigs(<50,000lbs pulldown). Cutter wheels wear with use <br /> and need reniacemen: <br /> Photo previous page:Cutter Wheel assortment. <br /> Photos left to right.Top:a)Closeup orPVC Cutter;b)Cutter Wheel assortment:c)Wheel installed on 6"Pertoratorana <br /> extended with air,all Inscribing the Halle logo on the Perforator Body:e)Several baker's dozens of Culler Wheels H O L T E M A N U F A C T U R I N <br />