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INTRODUCTION

The SGF series filter is composed of two single bowl filters,check valve,directional valve and indicator.It should be installed at outlet of the high-pressure line.The feature of this filter allows continuous operation even during replacing element,which is clogged by contaminant.When the pressure of the contaminant clogged element should be changed.At this time,turn the directional vlvle,let the other filter work,and changed the clogged element.If the element can't be changed in time until the pressure reaches to 0.6MPa,the by-pass vlvle will open automatically to keep the system safety.