Product Description
Armstrong 50-L Hydronic Expansion Tank – 13 gal (49 L)
The Armstrong 50-L is a compact pre-charged ASME bladder expansion tank for closed hydronic heating and cooling systems, with a heavy-duty replaceable butyl bladder, ring base and lifting rings. Tank volume is 13 gal (49 L), rated for a maximum working pressure of 125 psi (862 kPa).
| Model | 50-L |
| SKU | 50-L |
| Tank volume | 13 gal (49 L) |
| System connection, top (D) | 0.75" (19 mm) NPT |
| Maximum working pressure | 125 psi (862 kPa) |
| Working temperature | -20°F to 240°F (-29°C to 115.5°C) |
| Factory pre-charge | 40 psi (276 kPa) standard, field adjustable |
| Shipping weight | 50 lb (22.7 kg) |
Design & Submittals
Materials of construction
- Shell: Carbon steel
- Bladder: Heavy duty butyl, replaceable
Dimensions – inches (mm)
| A | B | F | G |
|---|---|---|---|
| 14.00 (356) |
24.00 (610) |
10.00 (254) |
— |
A = diameter. B = height. F = base diameter. G = height of the bottom system connection. Dimensions are for reference only; certified dimensions available on request.
Notes
- Not for domestic potable water systems.
- Designed and constructed per ASME Section VIII, Division 1.
- California code sight-glass and seismic clips available as an option.
- Mounting kit available on request.
- Allow a minimum of 18" (457 mm) clearance for system piping.
Documents
Warranty
Covered by the Armstrong Fluid Technology manufacturer's warranty.
- Armstrong Terms of Sale & Warranty – Canada (PDF)
- Conditions de vente et garantie Armstrong – Canada, français (PDF)
Installation, Maintenance, Parts Kits & Manuals
- L Bladder Expansion Tank – Installation & Operating Instructions (PDF)
- Bladder Tanks – Replacement Instructions (PDF)
- Bladder Expansion Tanks – Parts List (PDF)
Replacement parts and expansion tank sizing help – call (416) 236-2338 or email sales@bramhambros.com.
