NL Series Non-ASME Bladder Expansion Tank
Wessels NL Tanks are non-ASME removable bladder type pre-charged expansion tanks. They are designed to absorb the expansion forces and control the pressure in heating/cooling systems. The system’s expanded water (fully compatible with water/glycol mixtures) is contained in a full acceptance heavy-duty butyl bladder that prevents tank corrosion and waterlogging problems. All NL expansion tanks can be installed vertically or horizontally.
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Suitable for Potable Water:
Standard Bladder Material:
Maximum System Pressure:
Maximum System Temperature:
See product datasheet for additional details