Colonial TelTek
Colonial TelTek
201 W. Church Road
King of Prussia, PA 19406
Phone: (855) 686-7713
Email: Info@colonialteltek.com
Website: www.knobsource.com
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Stop coupling is sometimes referred to as a double bell coupling.
Stop Couplings
Unit of Measure
1 

Part #

Item Name

Nominal Size

Wall Thickness

D

L

10C-SW-40 N/A 1 Inch (in) Nominal Size Standard Wall Iron Pipe Size (IPS) Aboveground Stop Coupling N/A 1 in N/A Standard Wall N/A 1.32 in34 mm N/A 6 in152 mm
40B-SW-40 N/A 4 Inch (in) Nominal Size Standard Wall ID Belowground Stop Coupling N/A 4 in N/A Standard Wall N/A 4.16 in106 mm N/A 6 in152 mm
40C-SW-40 N/A 4 Inch (in) Nominal Size Standard Wall Iron Pipe Size (IPS) Aboveground Stop Coupling N/A 4 in N/A Standard Wall N/A 4.47 in114 mm N/A 6 in152 mm
50B-MW-40 N/A 5 Inch (in) Nominal Size Medium Wall ID Belowground Stop Coupling N/A 5 in N/A Medium Wall N/A 5.20 in132 mm N/A 6 in152 mm
50C-MW-40 N/A 5 Inch (in) Nominal Size Medium Wall Iron Pipe Size (IPS) Aboveground Stop Coupling N/A 5 in N/A Medium Wall N/A 5.59 in142 mm N/A 6 in152 mm
30D-XW-40 N/A 3 1/2 Inch (in) Nominal Size Extra Heavy Wall, Bullet Resistant ID Aboveground Stop Coupling N/A 3 1/2 in N/A Extra Heavy Wall, Bullet Resistant N/A 3.52 in89 mm N/A 6 in152 mm
50C-SW-40 N/A 5 Inch (in) Nominal Size Standard Wall Iron Pipe Size (IPS) Aboveground Stop Coupling N/A 5 in N/A Standard Wall N/A 5.54 in141 mm N/A 6 in152 mm
20D-SW-40 N/A 2 Inch (in) Nominal Size Standard Wall ID Aboveground Stop Coupling N/A 2 in N/A Standard Wall N/A 2.16 in55 mm N/A 6 in152 mm
20D-XW-40 N/A 2 Inch (in) Nominal Size Extra Heavy Wall, Bullet Resistant ID Aboveground Stop Coupling N/A 2 in N/A Extra Heavy Wall, Bullet Resistant N/A 2.52 in64 mm N/A 6 in152 mm
15A-SW-40 N/A 1 1/2 Inch (in) Nominal Size Standard Wall Iron Pipe Size (IPS) Belowground Stop Coupling N/A 1 1/2 in N/A Standard Wall N/A 1.91 in49 mm N/A 6 in152 mm
30C-SW-40 N/A 3 1/2 Inch (in) Nominal Size Standard Wall Iron Pipe Size (IPS) Aboveground Stop Coupling N/A 3 1/2 in N/A Standard Wall N/A 3.52 in89 mm N/A 6 in152 mm
15C-SW-40 N/A 1 1/2 Inch (in) Nominal Size Standard Wall Iron Pipe Size (IPS) Aboveground Stop Coupling N/A 1 1/2 in N/A Standard Wall N/A 1.91 in49 mm N/A 6 in152 mm
60B-SW-40 N/A 6 Inch (in) Nominal Size Standard Wall ID Belowground Stop Coupling N/A 6 in N/A Standard Wall N/A 6.16 in156 mm N/A 6 in152 mm
50A-SW-40 N/A 5 Inch (in) Nominal Size Standard Wall Iron Pipe Size (IPS) Belowground Stop Coupling N/A 5 in N/A Standard Wall N/A 5.54 in141 mm N/A 6 in152 mm
15C-XW-40 N/A 1 1/2 Inch (in) Nominal Size Extra Heavy Wall, Bullet Resistant Iron Pipe Size (IPS) Aboveground Stop Coupling N/A 1 1/2 in N/A Extra Heavy Wall, Bullet Resistant N/A N/A
50A-MW-40 N/A 5 Inch (in) Nominal Size Medium Wall Iron Pipe Size (IPS) Belowground Stop Coupling N/A 5 in N/A Medium Wall N/A 5.59 in142 mm N/A 6 in152 mm
60C-SW-40 N/A 6 Inch (in) Nominal Size Standard Wall Iron Pipe Size (IPS) Aboveground Stop Coupling N/A 6 in N/A Standard Wall N/A 6.61 in168 mm N/A 6 in152 mm
12C-SW-40 N/A 1 1/4 Inch (in) Nominal Size Standard Wall Iron Pipe Size (IPS) Aboveground Stop Coupling N/A 1 1/4 in N/A Standard Wall N/A 1.67 in42 mm N/A 6 in152 mm
Unit of Measure
1