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Straight Check Valve
Check Valve

The check valves, shown in this document, are classified “Pressure accessories” in the sense of the Pressure Equipment Directive 97/23/EC, Article 1, Section 2.1.4 and are subject of Article 3, Section 1.3 of the same Directive. They are designed for installation on commercial refrigerating systems and on civil and industrial conditioning plants, which use the following refrigerant fluids: R134a , R404A , R407C , R410A ; R507. For specific applications with refrigerant fluids not listed above, always proper to the Group II, please contact Castel Technical Department.