FAP female flange with 1 1/4" internal thread for 1 1/2" grey water drain valves - motorhome, caravan
- FAP female flange with 1 1/4" internal thread for 1 1/2" grey water drain valves, including the VAL150A valve with 60 cm rod. Fixing screw spacing 65 mm.
FAP female flange with 1 1/4" internal thread
Bolt the flange to a FAP 1 1/2" grey water drain valve and screw a fitting with external thread into its 1 1/4" internal thread. This lets you connect an unthreaded valve to a threaded tank outlet or pipe.

Compatible valves
The flange is designed for FAP 1 1/2" drain valves, including the FAP 1 1/2" grey water drain valve with 60 cm rod VAL150A, which has no thread and needs a flange for installation. Seal the joint with the VAL155 flange gasket.
Technical data
| Parameter | Value |
|---|---|
| Manufacturer | FAP (Italy) |
| Type | female flange with internal thread |
| Thread | internal 1 1/4" |
| For valves | FAP 1 1/2" |
| Fixing screw spacing | 65 mm |
| Outer flange dimensions | approx. 76 x 76 mm |
| Product code | VAL121 |
Questions and answers
What thread does the flange have?
Internal 1 1/4". It takes a part with 1 1/4" external thread.
Which valve is it for?
FAP 1 1/2" drain valves, e.g. VAL150A with 60 cm rod.
Is a gasket included?
No. The VAL155 flange gasket is sold separately.
What if I do not need a thread?
Choose the unthreaded VAL151 female flange or the VAL156 flat flange.
Manufacturer
FAP s.r.l.
Via A. Gentileschi 40/9
50142 Firenze, Italy




