THE 3DV TRIPLE DUTY VALVE includes a calibrated balance valve, a spring loaded check valve and a shut-off valve — all the valves needed to balance systems for smaller pump applications. It is ...
THE 3DEV TRIPLE DUTY VALVE comes in 1", 1¼", 1½" and 2" sizes. It is three valves in one: balance, shut-off, and check. It provides precise flow with a maximum range of control. Users have a choice of ...
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