11.54 Shaded area indicates change Rev. 3-16 MUELLER ® LINE STOPPER FITTING WELDING TYPE FOR THIN WALL STEEL PIPE - 720 PSIG o Catalog number – H-17276 Completion Cap o Sizes – 6"x4", 6", 8" o For use on thin wall steel pipe Completion Cap Bolts and Nuts Completion Plug o Fittings for Thin Wall Steel Pipe can be recognized by added 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 300 flange complies with dimensional requirements of ANSI B16.5 o 720 psig** (4964 kPa) maximum working pressure at 100F (38C) Test Plug Gasket Equalizing Valve Completion Plug Assembly Ears on Flange (distinguishes fitting for “thin wall”) H-17276 Pipe Dimension Size* of Line Stopper Fitting 6"x4" 6" 8" Outside Diameter of Shell Cutter Required 6-1/2" 6-1/2" 8-1/2" Outside Diameter of Pipe 4.50" 6.625" 8.625" Maximum Wall Thickness No limit .280" (sch. 40) .322" (sch. 40) Pipe Dimensions Minimum Wall Thickness No limit .125" .125" Maximum Inside Diameter No limit 6.375" 8.375" Drilling/Line Stopping Machine combinations that can be used to install and stop-off H-17276 Fittings Line Stopper Units Drilling Machine Unit No. 3SW Unit No. 3SW-500 C1-36 6", 6"x4" & 8" H-17276 6", 6"x4" & 8" Replacement Parts Fitting Size* 6"x4" 6" 8" Completion Cap 64205 64205 64206 Test Plug 64134 64134 64134 Completion Cap Bolts and Nuts (No. Required) 500894 (12) 500894 (12) 43908 (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.
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