User Guide
3
Performance
Suitable fluids: water, glycol solution
Max. percentage of glycol: 50%
Max. working pressure: 150 psi (10 bar)
Temperature range: 32–250°F (0–120°C)
Air separation efficiency: 100% removal to microbubble level
Particle separation capacity: to 5 µm (0.2 mil)
Ferrous impurities separation efficiency (5461 series): up to 100% removal
Connections - main: 1", 1-¼" sweat; 1" NPT male
- drain shut-off valve: ¾" garden hose connection
Steel body air and dirt separators and magnetic air and dirt separators
Materials - body: epoxy resin painted steel
- air vent body: brass
- internal element: (546, 5461, NA546) stainless steel
(NA546_M) stainless steel and HDPE
- air vent float: PP
- air vent float guide pin: stainless steel
- air vent float linkages: stainless steel
- spring: stainless steel
- seals: peroxide-cured EPDM
- bottom drain shut-off valve: brass
- side drain shut-off valve: brass
- magnet (5461 and M series): neodymium rare-earth
- magnet probe drywell (M series): brass
Performance
Suitable fluids: water, glycol solution
Max. percentage of glycol: 50%
Max. working pressure: 150 psi (10 bar)
Temperature range (vessel): -546, NA546, NA546_M series 32–270°F (0–132°C)
-5461 series 32–230°F (0–110°C)
Air separation efficiency: 100% removal to microbubble level
Particle separation capacity: to 5 µm (0.2 mil)
Ferrous impurities separation efficiency (5461 and M series): up to 100% removal
Connections - flanged (546 series): 2"–6" ANSI B16.5 150 CLASS RF
- flanged (NA546, NA546_M series): 2 ½"–14" ANSI B16.5 150 CLASS RF
- threaded (5461 series): 1 ½" and 2" NPT female union
- threaded (NA546, NA546_M series): 2" NPT male
- sweat union (5461 series): 1½" and 2"
- press union (5461 series): 1½" and 2"
- lay length (press connections): size 1 ½ inch: 11-1/8"
size 2 inch: 12 ½"
- bottom drain valve: 2"–6": 1" NPT female
8"–14": 2" NPT female
5461 series: 3/4" garden hose connection
Agency approval
-NA546, NA546_M series designed and built in accordance with Section VIII, Div. 1 of the ASME Boiler and
Pressure Vessel Code and tagged, registered with the National Board of Boiler and Pressure Vessel Inspectors,
stamped for 150 psi (10 bar) working pressure, with ASME U stamp.
-NA546 and NA546_M series 2"-10" series is also CRN registered, sizes 12" - 14" CRN pending, consult Caleffi.








