Pre-fill valve F 100-45 HAWE

Possible Applications

This pilot-operated pre-fill valve is engineered for high-capacity hydraulic press systems, particularly large forging presses, deep-drawing presses, and rubber injection molding machines where rapid cylinder movement is required. During the fast approach stroke, the valve allows large volumes of fluid to be drawn directly from the overhead reservoir into the main pressing cylinder with minimal restriction. Upon contact with the workpiece, it swiftly closes to enable the high-pressure clamping and working phase driven by the primary pump system. Its robust hydraulic architecture ensures reliable decompression and fluid evacuation during the return stroke, preventing hydraulic shock and extending the service life of heavy industrial shaping machinery.

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