Caleffi 551 Discal Air Separators


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  • Air separator with automatic ½" check valve (optional) to mount expansion tank on bottom thread
  • Coalescing mesh media, wide body slows down the velocity for better air removal
  • Brass body. Stainless steel float guide pin and linkage.
  • Service check valve and insulation jacket available
  • Float rides on a guide pin and can be serviced or replaced
  • Glass reinforced nylon internal element.
  • Max. working pressure: 150 psi. Working temperature range: 32—250°F

Technical information can be found here