Free Flow Trapezoidal Flume End Connections
Trapezoidal flumes can be provided with coupling or flanged end
connections.
Very low flow applications can use a short 2" long adapter, larger flows and pipe
sizes require the 12" long end connections with couplings or flanges.

Flume
Size |
H |
A |
B |
D |
F |
G |
| Inches |
Inches |
Inches |
Inches |
Inches |
Inches |
| Small |
4 |
12 |
10 |
5 |
20-3/32 |
38-3/32 |
| Large |
6-3/4 |
12 |
14 |
8 |
30-7/8 |
48-7/8 |
| Extra Large |
12 |
12 |
14 |
13 |
41-7/8 |
59-7/8 |
Inlet & outlet adapters are available with several different end
connection styles:
- Grouting or caulking collars which allow the pipe ends to be
inserted in the collar
and grouted in place.
- Flat face fiberglass pipe flanges that match standard PVC and iron bolt circles &
patterns.
- Pipe stubs with flexible neoprene couplings which allow quick installation. Watertight
seal is made by using stainless steel band clamps furnished with the couplings.
- Internal expansion couplings that match the I.D. of the coupling.
Typical End Connections

Caulking Collar Neoprene
Couplings Flat Face Fiberglass Flanges
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