Submittal Sheet

2
Technical specications
Brass air separator
Materials - body: brass
- internal element
(compact and rotating collar versions): 304 stainless steel
- internal element: glass reinforced nylon PA66GF30
- seal: peroxide-cured EPDM
- air vent float: PP
- air vent float linkages: stainless steel
- air vent float guide pin: stainless steel
Performance
Suitable fluids:
Max. percentage of glycol:
Max. working pressure:
Temperature range:
Air separation efficiency:
water, glycol solution
50%
150 psi (10 bar)
32–250°F (0–120°C); w/ service check, max 230°F (0–110°C)
100% to micro-bubble level
Connections - main:
compact series: 3/4" sweat; 3/4" NPT female
horizontal: 3/4", 1", 1-1/4", 1-1/ 2" and 2" NPT female
1", 1-1/4", 1-1/ 2" and 2"integral sweat
1” ,1-1/4”,1-1/ 2” and 2” integral press
rotating collar version, 5517 series: ¾” and 1” sweat, press and NPT male union
- lay length (press connection): see page 4 and 5
- drain: 1/2" NPT female
5517 series: 1/2” straight female
Steel air separator
Materials - body: epoxy resin painted steel
- internal element: 304 stainless steel
- seal: peroxide-cured EPDM
- air vent float: PP
- air vent float linkages: stainless steel
- air vent float guide pin: stainless steel
Performance
Suitable fluids: water, glycol solution
Max. percentage of glycol: 50%
Max. working pressure: sizes 2-6”: 150 psi (10 bar); sizes 8-12”: 200 psi (14 bar)
Temperature range: 32–270°F (0–132°C)
Air separation efficiency: 100% to micro-bubble level
Connections - flanged: 2"– 12" ANSI B16.5 150 CLASS RF
- drain pipe: sizes 2 - 6 inch: 1" NPT male
sizes 8 - 12 inch: 2” NPT male
Agency Approval
NA551 series is designed and built in accordance with Section VIII, Division 1 of the ASME Boiler
and Pressure Vessel Code and tagged and registered with the National Board of Boiler
and Pressure Vessel Inspector, and CRN registered.