Good User Reputation for Smc Solenoid Valve - HDR DIRECT OPERATED PRESSURE RELIEF VALVES – Hanshang Hydraulic

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Good User Reputation for Smc Solenoid Valve - HDR DIRECT OPERATED PRESSURE RELIEF VALVES – Hanshang Hydraulic Detail:

HDR Series relief valves, with remote control port, are direct operated poppet type used to limit pressure in a hydraulic system. It has characteristics of compact structure, high performance, reliable work, low noise, and long service life. These series are widely applied to many lower flow systems.

Technical data

Model	HDR-1/4-25	HDR-3/8-50	HDR-1/2-80	HDR-3/4-120	HDR-1-220
Max Flow rate（L/min）	25	50	80	120	220
Max operating pressure（MPa）	31.5
Valve body（Material）Surface treatment	（Steel body）Surface clear zinc plating
Oil cleanliness	NAS1638 class 9 and ISO4406 class 20/18/15

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