Flap valves shall be of the circular port design with offset single pivoted hinge. They shall be of the iron body bronze mounted type and furnished with a flanged end.
Overview
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Variations
Imperial Sizes:
- 4 in,
- 6 in,
- 8 in,
- 10 in,
- 12 in,
- 14 in,
- 16 in,
- 18 in,
- 20 in,
- 24 in,
- 30 in,
