Product Description
Armstrong 500-L High Pressure Hydronic Expansion Tank – 175 PSI – 132 gal (500 L)
The Armstrong 500-L (175 PSI) is a high-pressure ASME removable-bladder pre-charged expansion tank for heating and cooling systems. The full-acceptance heavy-duty butyl bladder is fully compatible with water/glycol mixtures and prevents tank corrosion and waterlogging. It can be installed vertically or horizontally. Tank volume is 132 gal (500 L), rated for a maximum working pressure of 175 psi (1206 kPa).
| Model | 500-L – 175 PSI |
| SKU | 500-L-175 |
| Tank volume | 132 gal (500 L) |
| System connection, top (D) | 0.75" (19 mm) NPT |
| System connection, bottom (C) | 2.00" (51 mm) NPT |
| Maximum working pressure | 175 psi (1206 kPa) |
| Working temperature | 40°F to 240°F (4.4°C to 115.5°C) |
| Factory pre-charge | 40 psi (276 kPa), field adjustable |
| Shipping weight | 400 lb (181.4 kg) |
Design & Submittals
Materials of construction
- Shell: Carbon steel
- Bladder: Heavy duty butyl, removable
- System connection: Carbon steel
Dimensions – inches (mm)
| A | B | F | G |
|---|---|---|---|
| 30.00 (762) |
57.00 (1448) |
24.00 (610) |
5.25 (133) |
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
- Designed and constructed per ASME Section VIII, Division 1.
- Both top and bottom connections (C and D) access the bladder.
- California code sight-glass and mounting kit available on request.
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.
