MUELLER ® SPHERICAL LINE STOPPER FITTINGS 11.37 Rev. 12-12 Shaded area indicates changes Equipment required to install and stop-off H-17364 welding Line Stopper Fittings Tool Name Drilling Machine Stopping Machine Gate Valve Drilling Machine Adapter Cutter Hub Shell Cutter Pilot Drill Steel Wedge Stopper Bottom Stopper Completion Machine Plug Alignment Tool Plug Inserting Tool Plug Extracting Tool Completion Plug Wrench Thread Cleaning Tool Inspection Flange Quantity Required 1 2 2 1 1 1 1 2 2 1 1 1 1 1 1 1 Line Stopper Unit No. 4SW 10" H-17464 12" H-17464 C1-36 H-17440 83318 83323 682782† 682780 682781 89704 681997*,** H-17445 83250 83237 83238 36424 89321 H-17619 C1-36 H-17440 83318 83323 682782† 682780 682781 89704 681997** H-17445 83250 83237 83238 36424 89321 H-17619 *10" fitting requires a new seat retainer (537305) to Bottom Stopper. **Requires modified clamp bar ††† Thick Wall 12" Shell Cutter option available.
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