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MUELLER ® LINE STOPPER FITTINGS 11.59 Rev. 9-20 Shaded area indicates changes Equipment required to install and stop-off H-17277 welding Line Stopper Fitting Tool Name Drilling Machine Stopping Machine Gate Valve Valve Adapter Drilling Machine Adapter Cutter Hub Shell Cutter (ALT) Tipped Cutter Pilot Drill Steel Wedge Stopper* Completion Machine Plug Alignment Tool Plug Inserting Tool Plug Extracting Tool Completion Plug Wrench Thread Cleaning Tool Inspection Flange Qty. Req'd. 1 2 2 2 1 1 1 1 1 2 1 1 1 1 1 1 1 Line Stopper Unit No. 3SW 6" & 6"x4" H-17277 8" H-17277 C1-36 H-17340 83953 501224 C1-36 H-17340 83953 502289 36545 36545 83760 63146 682876 83639 89700 H-17346 83250 83237 83238 83762 63115 682878 83675 89702 H-17346 83250 83237 83238 36424 36424 89319 H-17619 89319 H-17619 Line Stopper Unit No. 3SW-500 6" & 6"x4" H-17277 8" H-17277 C1-36 H-17342 83721 63261 C1-36 H-17342 83721 - 83730 83730 83760 63146 682876 83639 89700 H-17347 83250 83237 83238 83762 63115 682878 83675 89702 H-17347 83250 83237 83238 36424 36424 89319 H-17619 89319 H-17619 *Steel Wedge Stopper with polyurethane cover suitable for use with gas and petroleum. † Furnished with Completion Machine.
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11.60 Shaded area indicates change Rev. 2-16 MUELLER ® LINE STOPPER FITTING WELDING TYPE FOR THIN WALL STEEL PIPE - 1440 PSIG o Catalog number – H-17278 Completion Cap o Sizes – 6", 6"x4", 8" o For use on thin wall steel pipe Completion Cap Bolts and Nuts o Fittings for Thin Wall Steel Pipe can be recognized by added Completion Plug O-ring ears on flange, red paint and “THIN WALL” cast in plug. o O-ring sealed steel (ASTM A216 WCB) Completion Plug with equalizing valve (part # 580912) o Flange, Completion Cap, fitting top and bottom halves are forged steel (ASTM A105) o Class 600 flange complies with dimensional requirements of ANSI B16.5 o 1440 psig** (9928 kPa) maximum working pressure at 100F (38C) Test Plug Gasket Equalizing Valve Completion Plug Assembly Ears on Flange (distinguishes fitting for “thin wall”) H-17278 Pipe Dimension Size* of Line Stopper Fitting 6" 6"x4" 8" Outside Diameter of Shell Cutter Required 6-1/2" 6-1/2" 8-1/2" Outside Diameter of Pipe 6.625" 4.50" 8.625" Maximum Wall Thickness .280" (sch. 40) No limit .322" (sch. 40) Pipe Dimensions Minimum Wall Thickness .125" No limit .125" Maximum Inside Diameter 6.375" No limit 8.375" Drilling/Line Stopping Machine combinations that can be used to install and stop-off H-17278 Fittings Drilling Machine C1-36 Unit No. 3SW 6", 6"x4" & 8" Line Stopper Units Unit No. 3SW-500 H-17278 6", 6"x4" & 8" Replacement Parts Fitting Size* 6" 6"x4" 8" Completion Cap 79891 79891 79906 Test Plug 64134 64134 64134 Completion Cap Bolts and Nuts (No. Required) 501192 (12) 501192 (12) 42416 (12) Completion Cap Gasket 62945 62945 63057 Completion Plug Assembly 83705 83705 83711 O-ring Seal 79477 79477 63359 *Nominal **This is the maximum pressure of the fitting installed in the line at 100F for Class Locations 1, 2, 3 and 4 as defined in D.O.T./CFR TITLE 49 PART 192. It may be necessary to reduce the line pressure during the drilling, stopping or plugging operations to the maximum working pressure of the machine or its attachments.
