CLA-VAL 81-07 & 681-07 : Non-Slam Dual Speed Control Check Valve
The Cla-Val Model 81-07 Non-Slam Dual Speed Control Check Valve is a hydraulically operated No-Slame Check Valve with dual speed controls. This valve opens when the pressure at the inlet exceeds the discharge pressure. A gradual rate of opening prevents sudden opening surges. When a pressure reversal occurs, the higher downstream pressure is applied to the cover chamber through the control tube line, and the valve closes drip tight.
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