45-degree Threaded Outlets

The 45-degree Threaded outlet is manufactured in LM6 Aluminium Silicon casting alloy to BS1490:1970 for most roof finishes as standard or in leaded gunmetal to BS1400:1985 for use with lead or copper-clad roofs or for connection to copper pipework. They are female parallel threaded to BS21:1985.

Available in 50mm, 75mm and 100mm spigot sizes.

The codes and dimensions for the 45-degree Threaded outlets are as follows;

50mm 45-degree Threaded Outlet
– 50/45T (with Domical Grate)
– 50/45T/F (with Flat Grate)

A = 180, B = 300, C = 250, D = 100, E = 28, F = 75

75mm 45-degree Threaded Outlet
– 75/45T (with Domical Grate)
– 75/45T/F (with Flat Grate)

A = 200, B = 300, C = 250, D = 80, E = 48, F = 105

100mm 45-degree Threaded Outlet
– 100/45T (with Domical Grate)
– 100/45T/F (with Flat Grate)

A = 215, B = 380, C = 305, D = 78, E = 54, F = 125

Caroflow 45-degree Threaded outlets are suitable for connection to, Screw Threaded Steel, Copper (Gunmetal only), PVC, Aluminium and Cast Iron. The PVC, Aluminium and Cast Iron connections are all suitable with the Caroflow Threaded Adaptor. The standard length of our Threaded Adaptor is 300mm, although other lengths can be produced to order.


Extension Ring
Kombi Terrace Grate
Threaded adaptor

Example Specification

100mm nominal bore CAROFLOW 45-degree Threaded aluminium rainwater outlet with domical grating (Code 100/45T) as manufactured by Caroflow Limited Tel: (01763) 244446.

For prices & availability on 45-degree Threaded Outlets, please call our Sales Department on (01763) 244446 or you can enquire using our online form.

Useful Links

45 Degree Threaded Outlets Flow rates
Roof Drainage Products Literature
FASTRACK CAD drawings for 45-degree Threaded Outlets
45-degree Threaded Outlets