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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.

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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

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Caulking Collar      Neoprene Couplings       Flat Face Fiberglass Flanges

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