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Stop coupling is sometimes referred to as a double bell coupling.
Stop Couplings with Gasket
Unit of Measure
1 

Part #

Item Name

Nominal Size

Wall Thickness

D

L

40B-SW-40-G N/A 4 Inch (in) Nominal Size Standard Wall ID Belowground Stop Coupling with Gasket Joint N/A 4 in N/A Standard Wall N/A 4.16 in106 mm N/A 8 in203 mm
20C-SW-40-G N/A 2 Inch (in) Nominal Size Standard Wall Iron Pipe Size (IPS) Aboveground Stop Coupling with Gasket Joint N/A 2 in N/A Standard Wall N/A 2.40 in61 mm N/A 8 in203 mm
20B-SW-40-G N/A 2 Inch (in) Nominal Size Standard Wall ID Belowground Stop Coupling with Gasket Joint N/A 2 in N/A Standard Wall N/A 2.16 in55 mm N/A 8 in203 mm
10A-SW-40-G N/A 1 Inch (in) Nominal Size Standard Wall Iron Pipe Size (IPS) Belowground Stop Coupling with Gasket Joint N/A 1 in N/A Standard Wall N/A 1.32 in34 mm N/A 8 in203 mm
50B-MW-40-G N/A 5 Inch (in) Nominal Size Medium Wall ID Belowground Stop Coupling with Gasket Joint N/A 5 in N/A Medium Wall N/A 5.20 in132 mm N/A 8 in203 mm
Unit of Measure
1