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10.44 Rev. 11-18 Shaded area indicates changes MUELLER ® H-17440 UNIT NO. 4SW STOPPING MACHINE Mueller H-17440 Unit No. 4SW Stopping Machine o Catalog number H-17440 o Hand operation or Power Operation (H624) o Used to stop-off 10" and 12" Line Stopper Fittings o Body has integral 4" CL300 flanged bypass connection o Used in conjunction with Control Valve – CL400 14" Gate Valve ( 83318 ) o Alternate Control Valve for CL150 Operations - 14" Gate Valve ( 83565 ) o Includes Operating Instruction Manual (Form 8972 ) o 500 psig (3450 kPa) maximum working pressure at 100F (38C) NOTE: The working pressure or temperature rating is reduced accordingly if any attachment, valve, or fitting subjected to pressure or temperature during the drilling,stopping or completion operations has a maximum working pressure or temperature rating less than that specified above. Order Separately o Eyebolt ( 63846 ) o 1-11/16" Open End Wrench ( 49211 ) o 2" Box Offset Pattern & 2" Open End Wrench ( 49212 ) H-17440 Mueller NO-BLO ® Operations performed by the Mueller 89430 Stopping Machine Item Mueller Line Stopper Fittings Size* of Fitting 10" 12" Stop off fitting Mueller NO-BLO Operation *Nominal size

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MUELLER ® UNIT NO. 4SW STOPPING MACHINE EQUIPMENT 10.45 Shaded area indicates change Rev. 6-17 Steel Wedge Stopper Steel Wedge Stopper Mueller polyurethane covered steel wedge stoppers are mechanically retracted and expanded for positive operation. These stoppers are made to be used with the full line of Mueller flanged line stopper fittings. (Polyurethane covered cylinder replacement kits and "positive control" cover kits are available from Mueller Co.) Size* 10" 12" Stopper Complete 89704 89704 Pipe Wall Standard Standard See next page for steel wedge stopper replacement parts and repair kits. Bottom Out Rubber Stopper Bottom Out Rubber Stopper This stopper is used in Mueller bottom out line stopper fitting when the outlet is the section to be isolated so repairs or modifications can be made while maintaining service to customers. (Form 11967) Size* 10" 12" Stopper Complete 681997 681997 Used only on 10" &12" 1999 or later enhanced fittings. *Nominal size Power Operators for Mueller 3SW, 3SW-500, & 4SW Machines H-624 Air Power Operator o Reversible air motor o 17 RPM free speed o Air supply: 33 SCFM at 90 psig (full load) o Machine only weight 17 lbs. (8 kg) o Shipped in a wooden storage chest complete with inline lubricator o IMPORTANT : Read operating instructions (form 13866) IMPORTANT: MAINTAIN PRESSURE OF 90 PSIG – THE USE OF A GAUGE AT THE THROTTLE TO DETERMINE THE ACTUAL PRESSURE OF AIR AT THE POWER OPERATOR IS RECOMMENDED. Note: Used to lower and raise stoppers. Not to be used for expansion or retraction of stoppers. H-624 Air Power Operator

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