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SCHROEDAHL发明了泵保护阀，是该领域的全球市场领导者。
SCHROEDAHL invented the pump protection valve and is the world market leader in this sector.
Pump protection valves are required to ensure the minimum flow rate of a pump at all times. This protects the pump against overheating, cavitation and finally, destruction. If the flow through the pump falls below a certain level the bypass system opens and the fluid will be recirculated providing the required minimum flow for the pump.
The SCHROEDAHL- pump protection valves work in a modulating way. Should the discaharge increase through the following processes, then the amount of fluid recirculated by the bypass is automatically reduced- and vice versa. This increases the efficiency of the entire system and optimises the economy in the low-load operation.
The pump protection works entirely over the inside valve technology. The volume by which the process decreases is measured independent of the pressure – the amount returned over the bypass is adapted automatically.
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