Series B 317-gallon ASME diaphragm vertical expansion tank designed to absorb the expansion forces of heating/cooling system water while maintaining proper system pressurization under varying operating conditions. Series B tanks feature a heavy-duty, full-acceptable, replaceable butyl diaphragm and are pre-charged to 12 psi.
Specifications
Manufacturer
Bell & Gossett
Part Number
116557
Model
B-1200
Series
Series B
Application
Hydronic Heating
Mounting Type
Vertical
Pre-Charge Pressure
12 PSI
Tank Volume
317 Gallons
Acceptance Volume
317 Gallons
Maximum Pressure
125 PSI
Maximum Temperature
240°F
About Bell & Gossett
Bell & Gossett, a Xylem brand, is a world leader in HVAC, wastewater, and plumbing system solutions for the commercial building services industry. They offer numerous energy-efficient pumps, boosters, drives, valves, heat exchangers, controllers, and water systems for multiple applications, including steam and heat t... Learn more
Bell and Gossett expansion tanks help protect hydronic, plumbing, and well water systems from pressure problems caused by thermal expansion and pump cycling. This guide explains how B&G expansi...
An expansion tank allows for the expansion and contraction of a system when it heats up and cools off and provides head pressure for the circulation pump. A buffer tank adds volume to a heating or ...
Although very similar, pressure tanks and expansion tanks perform unique functions. Expansion tanks compensate for water expansion in closed-loop systems, while pressure tanks maintain the water pr...
Bladder expansion tanks contain a balloon-like bladder that can be replaced when required. On the other hand, a diaphragm expansion tank includes a flat diaphragm directly mounted to the tank.