This document is the HDPE Dual Wall Couplers Fittings Manual. Various Coupler illustrations with reference tables are shown.

The Double Wide ST Coupler 10”-36” diameter illustrations shows the holes provided for plastic locking cable ties. A top view is shown with end view directing to wrap end cap around pipe ends, install 2 plastic locking cables through holes provided in end cap and tighten securely around pipe. A table with part number, pipe size and A dimensions is provided.

The “A” Profile ST Split Coupler 6”-60” diameter illustrations shows the holes provided for plastic locking cable ties. A top view is shown with end view directing to wrap end cap around pipe ends, install 2 plastic locking cables through holes provided in end cap and tighten securely around pipe. A table with part number, pipe size and A dimensions is provided.

A split coupler reference chart for 36”-60” diameter lists the values for part number, pipe size and profile connection. A note recommending wrap with geotextile for proper connection.

The “H” Profile ST Split Coupler 10”-60” diameter illustrations shows the holes provided for plastic locking cable ties. A top view is shown with end view directing to wrap end cap around pipe ends, install 2 plastic locking cables through holes provided in end cap and tighten securely around pipe. A table with part number, pipe size and A dimensions is provided.

Notes state that top # has coupler only, bottom # has a coupler with a gasket.

The External Snap Coupling 4”-24” diameter side view illustration is shown. A table with part number and pipe size is provided.

The Bell-Bell Couplers 12”-60” diameter side view illustration is shown. A table with part number, pipe size and A/B/C/Joint is provided. This requires a gasket to provide specified joint performance.

The WT Mitered Bell-Bell Couplers 12”-60” diameter side view illustration with angle is shown. A table with part number, pipe size and angle is provided.

The ADS Bell-Bell Couplers 36”-60” diameter side view illustration with ST & WT including corresponding gaskets is shown. A table with part number, pipe size and A/B/C/D/Joint is provided.

The ADS Hybrid Split Coupler 48” diameter side view illustration shows the holes provided for plastic locking cable ties. A table with part number and pipe size is provided.

All fittings are for reference only.