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3-way Self-regulating Recirculation Check Valve System
The “RC/RM/RX-series” provides reliable, economical protection for centrifugal pumps against the serious damage from overheating and instability that can result from even a few minutes of low flow, By providing recirculation flow to the inlet of the pump, the RC-series helps ensure a minimum flow for stable pump operation.
The modulating RC/RM-series creates operating economies in several ways. The RC/RM-series recirculates only the flow required to help ensure a minimum flow through the pump at all times. Under full process main flow demand, recirculation flow is not required. But as the process main flow demand decreases, recirculation becomes necessary. Unlike continuous recirculation, the RC/RM-series responds directly to this need. The use of on RC/RM-series valve eliminates the need to oversize the pump and prime mover. Such over-sizing adds significantly to the capital cost of the pump and prime mover as well as to the cost of energy needed for operation.
Benefits
- Eliminates high cost of installation and maintenance of complex conventional flow control
loops.
- Eliminates cavitation in the valve and piping.
- Only three pipe connections.
- Eliminates any power source or instrument signal.
