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Emerson ACK 12 ACK Check Valve

SKU kpi002-064989
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Product details

SKU: kpi002-064989
Manufacturer: White Rodgers
Manufacturer Part Number: 64989
Model Number: ACK 12
GTIN: 681344649898

Product description

The ACK check valve is a normally closed magnetic check valve that prevents reverse refrigerant flow in liquid lines and compressor discharge lines.


  • Copper Connection Size 3/4” ODF Solder
  • Hermetic Spun Copper Design
  • Magnetic Checking Action
  • Built-In 30 Mesh Stainless Steel Strainer
  • Can Be Installed In Any Position

Additional Information

Inlet Connection Size3/4” ODF Solder
Outlet Connection Size3/4” ODF Solder
Maximum Working Pressure (psig)680
Nominal Tons R-22 Suction 40°F @ 1 psiSuction 3.3, Liquid 27
Nominal Tons R-404A 40°F @ 2 psiDischarge 5.82, Suction 2.77, Liquid 18.36
Nominal Tons R-410A 40°F @ 2 psiDischarge 7.87, Suction 3.96, Liquid 26.92

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