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As a technology leader, KNF offers OEM gas and liquid pumps that enable design engineers to create high-quality systems and devices across multiple industries. We understand and anticipate the needs of each customer and every environment in which our pumps will perform. Additionally, our modular system allows us to custom-design pumps to meet your specific application requirements using a variety of specialized parts and materials.

Pressure control valve

The KNF diaphragm pressure valve can be used to keep the system pressure constant, as a pressure relief valve to reduce pressure peaks or to prevent the media from being sucked directly through the pump. This accessory can be used in combination with a KNF diaphragm pump or as a standalone product.

 

Functions and Operation of a Pressure Control Valve

Model Pressure
(bar g)
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FDV 1.300/1.301 from 2 to 6.5
FDV 300/301 from 0.8 to 2.5
FDV 1.30/1.31 from 2 to 6.5
FDV 30/31 from 0.5 to 2.5