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Expansion Tanks & Air Separators

Expansion Tanks & Air Separators by AMTROL

Expansion Tanks by AMTROL

Extrol ASME commercial expansion tanks are designed to control pressure in closed hydronic heating & cooling systems. Available in diaphragm, partial acceptance bladder and full acceptance bladder designs, these tanks range in size from 6.4 gallons (24 liters) to 3,963 gallons (15,000 liters). Offered with maximum working pressures up to 300 PSIG (21 bar), Extrol is effective at maintaining positive pressure in a wide variety of HVAC systems.

Expansion Tanks Key Features

Diaphragm Design (AX Series)

Fixed Butyl/EPDM Diaphragm: Industry’s Thickest.
Factory Pre-Charge: 12 PSIG.
Max. Operating Temperature: 240º F.
3-Year Warranty.

Full Acceptance Bladder Design (L Series)

Replaceable Butyl Bladder: Industry’s Thickest.
Factory Pre-Charge: 12 PSIG.
Max. Operating Temperature: 240º F.
3-Year Warranty.

Partial Acceptance Bladder Design (LBC Series)

Replaceable Butyl Bladder: Industry’s Thickest.
Factory Pre-Charge: 12 PSIG.
Max. Operating Temperature: 240º F.
3-Year Warranty.

Air Separators by AMTROL

Amtrol ASME tangential air separators are designed to create a low velocity vortex that separates and removes entrained air from fluids circulating in closed, heating and chilled water systems. Available in 1” to 24” sizes with optional stainless steel strainer to collect unwanted system debris.

Air Separators Key Features

Eliminates 99% of Entrained Air During First Pass.

Removable, 304 Stainless Steel Strainer Models Available.

Ring Base Standard on 5-AS(L) through 24-AS(L) Models.

Working Pressures Offered: 125, 150, 175, 250 and 300 PSIG.

Max. Operating Temperature: 350º F.

3-Year Limited Warranty.

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