HVAC Expansion Tanks
Closed Loop • Non-Potable • Hydronic Heating & Cooling • Heat Transfer
Used to absorb the additional volume of potable water created by a domestic water heater. These tank designs incorporate a diaphragm or bladder to isolate the expanded water from the pressure controlling air cushion.
FEATURES:
- Pre-charged (12PSIG)
- Carbon steel shell and heavy duty butyl (FDA approved) bladder or diaphragm
- N, NL, NTA, NLA, NLAP, NVA 240°F Max Temp; NA, NAG 450°F Max Temp
- NTA, NLA, and NLAP series can be installed vertically or horizontally
HVAC Expansion Tanks
Model | Description | ASME | Gallons | Max Pressure |
---|---|---|---|---|
N-Series | Fixed Diaphragm | non-ASME | 2.1-79.4 | 150 PSIG |
NL-Series | Removable Bladder | non-ASME | 2.1-132.1 | 150 PSIG |
NTA-Series | Fixed Diaphragm | ASME | 7.8-211 | 150 PSIG |
NLA-Series | Removable Bladder | ASME | 10-3963 | 125 PSIG |
NLAP-Series | Top System Connection Replaceable Bladder | ASME | 11-290 | 125 PSIG |
NVA-Series | Bottom System Connection Removable Bladder | ASME | 15-525 | 125 PSIG |
NLA-HP-Series | High Pressure Removable Bladder | ASME | 10-3963 | 200/250 PSIG |
NA-Series | Plain Carbon Steel Compression | ASME | 15-525 | varies 125/150 PSIG |
NAG-Series | Galvanized Carbon Steel Compression | ASME | 15-525 | varies 125/150 PSIG |
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