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These flanged, heavy duty, piston type check valves control the flow of refrigerant. Valves open wide for flow in the direction of the
arrow shown on the valve body and close when a reverse flow occurs. These are suitable for compressor or pump discharge, hot
gas lines and pulsating pressure applications including side port to screw compressors. These valves have metal to metal seat.
Suitable for R717 (Ammonia), R744 (CO2), HCFC & HFC.
Port size: 1" - 6" (25mm to 150mm)
Body: Closed grain cast iron
• High flow velocity.
• Resists chatter.
• Gravity closing.
• Manual opening stem.
• Minimal pressure drop.
• Serviceable bonnet.
• Safe working pressure: 400 psig (27 bar).
• Temperature range: -60OF to +240OF (-51OC to +116OC).