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757, 757N Approvals
Double Check Valve Assemblies, Stainless Steel
Size | Model | ASSE | CSA | FM | UL | ULC | USC |
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2-1/2" |
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3" |
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4" |
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6" |
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8" |
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2-1/2" |
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3" |
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4" |
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6" |
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8" |
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10" |
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2-1/2" |
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3" |
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4" |
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6" |
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8" |
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10" |
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2-1/2" |
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3" |
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4" |
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2-1/2" |
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3" |
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4" |
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6" |
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8" |
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2-1/2" |
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3" |
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4" |
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6" |
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8" |
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10" |
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2-1/2" |
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3" |
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4" |
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6" |
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8" |
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10" |
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2-1/2" |
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3" |
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4" |
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OS&Y - Outside Stem & Yoke
NRS - Non-Rising Stem
BFG - UL/FM Gear Operated Groved Butterfly Valve
LF - Specifies Replacement Parts Only
For the latest product certification information and documentation, please visit our certification partner websites: