HCK2 Bulletin Archive
C409c - April 1999.pdf
C409e - Aug 2006.pdf
C409e - Feb 2019.pdf
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These heavy-duty, flanged, gas-powered suction stop valves are designed to control the flow of refrigerant in large industrial and commercial applications.
They remain normally open via a spring and require no pressure drop to operate. Valves are normally installed on their side for better conveyance of liquid overfeed or oil and to avoid trapping.
A single pilot solenoid valve is required to control a higher pressure refrigerant gas which closes these valves during defrosting.
