DISCALDIRT® Air and Dirt Separators, ASME/CRN (2" threaded)


Air and dirt separator.
Epoxy resin coated steel body.

Stainless steel float guide pin and linkage.
Stainless steel mesh internal element.

1" NPT male bottom drain connection.
½" NPT male side drain connection.

Complete with:
→ Bottom drain valve (code NA39753)
→ Side drain valve (code 538402 FD)

Max working pressure: 150 psi
Vessel temp range: 32˚ - 270˚F

Particle separation capacity: to 5 μm (0.2 mil)
Air separation efficiency:  up to 100% removal

ASME and CRN registered.

NA prefix indicates ASME tagged and registered with the National Board of Boiler and Pressure Vessel Inspectors.

Codes with the denotation of CRN indicate that the item is accepted and registered by the Canadian Registration Number (as defined by CSA B51 4.3).  Vessels under 10" are CRN registered.  




  • ASME
code description weight
NA546050T 2" threaded ASME & CRN 28


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