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CA Series Expansion Tanks

Designed to Eliminate Direct Air-to-Water Interface

Taco CA Series Expansion Tanks are designed to solve a long time problem in the hydronics industry by utilizing a butyl rubber bladder to permanently separate the air charge from the system fluid in the expansion tank. In old style, non-bladder type tanks, the air to water interface allowed air to be absorbed back into the system fluid and carried to other parts of the system causing corrosion, inefficient balancing, pump capitation, air bound terminal units and waterlogged tanks. Proper sizing and location of air separation and air removal components can provide a stable, tight and closed hydronic system. In most properly sized “CA” systems, you can reduce the tank size by 80% compared to the old style, plain steel tanks.

Featuring a full acceptance type bladder, Taco CA Series Expansion Tanks offer the system designer and end user the comfort of long life expectancy as the bladder is large enough to expand to the wall of the tank in the event of a tank being undersized or improperly charged.

CA Series Expansion Tanks are designed, constructed and tested to ASME Section VIII, Div. 1 requirements. Computerized product selection helps you choose the Expansion Tank that is just the right fit for your application requirements. All fabrication is done in-house to assure a high level of quality.

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eLink Instructions
Introducing eLink® Connectivity

eLink® is Taco Comfort Solutions’ line of cloud services, providing users access to their devices data and performance while giving them control over their comfort. Using a Taco product featuring eLink provides users with support, monitoring, or controls straight from their mobile phone, tablet, or laptop. Now, it’s even easier to get important information, status updates and control of your Taco products. eLink provides the answer for both residential and commercial applications, just look for the logo to see if your product is connected.

Products featuring eLink are categorized into three application specific categories: Support, Monitoring, and Controls. These features of eLink identify how the cloud provides you with the support and control you require.

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LoadMatch® System

A LoadMatch® system is the marriage of two old ideas wrapped around a new technology. The old ideas are single pipe distribution and primary-secondary pumping. The new technology consists of the use of maintenance-free wet rotor circulators. The primary distribution system is a single pipe loop; the secondary distribution system is a decoupled secondary piping loop for each terminal unit in the system. The wet rotor circulator provides the specified flow to each terminal unit at all times. The simplicity of the Load-Match® concept allows you to specify one size of pipe for large portions of the system. In single loop installations, there is no limit to the number of coils you can install. Final pipe size is determined by the total load of the loop and ∆T. If your loop is heavily loaded, it’s practical to split the system into two loops with smaller pipe sizes. This change saves installation costs, energy, and money, and can reduce pump head, and lower hp. When loops are carrying equal loads and arranged symmetrically, they will nearly self-balance. The resulting configuration will keep balancing losses down and will lower ongoing energy costs.

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Performance Data

Capacity: 23-3962 Gallons (90-15000 Liters)
Diameters: 20-72″
Height: 29-282″
Working Pressure: 125,150,175, 250, 300 (PSI) Higher Pressures Optional
Max. Operating Temp.: 240°F (Optional 280°F)

Features
  • Designed, constructed and tested to ASME Section VIII, Div. 1 requirements.
  • Heavy Duty butyl rubber bladder
  • Full acceptance bladder design (field replaceable)
  • Carbon steel construction (SS system connection optional, SS construction optional)
  • All fabrication done in house
  • Computerized selections to ensure fast and easy design
  • National Board Registration
  • CRN registration (optional)
  • NSF/ANSI 61-G Certified and Listed (Optional)
Applications
  • LoadMatch® Systems
  • Commercial, Institutional, Industrial Hydronic Systems
  • Larger Systems
  • Systems where reliability and lower maintenance costs are important
  • Potable Water (optional)

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