
Groove centerline soft seal signal butterfly valve
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Wafer centerline soft seal butterfly valve
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Delayed water flow indicator
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Water flow indicator
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Flange type rain alarm valve
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Flange type wet alarm valve
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Groove type wet alarm valve
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Underground fire hydrant
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Wet fire hydrant
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Mechanical dry fire hydrant
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Dry fire hydrant
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Double-door wafer butterfly check valve
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