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Enabling heating and cooling with a single-coil while reducing wiring and simplifying control with a single actuator.



Enabling heating and cooling with a single-coil while reducing wiring and simplifying control with a single actuator.

Fewer Components
The mod-6 solution replaces the need for a change over valve for a single coil in a 4 pipe system.

Reduced Installation Cost and Time
With the mod-6 a single coil can be used for heating and cooling. Also only one actuator is needed for both sequences. This reduces piping, wiring and material costs.


Heating and Cooling Control with One Valve

The Siral modular 6-way valve is a solution with two equal percentage characterized flow sequences (heating and cooling) with different Cv values that enable modulating control of each sequence individually with a single valve.



  • 2 sequences with different Cv values for heating and cooling
  • Bubble tight zero leakage
  • Equal percentage




Media Temp. Range: 0°F to 212°F
(-18°C to 100°C)
Close off: 200 psi
Body Pressure: 600 psi
Media Temp. Range: 0°F to 212°F
(-18°C to 100°C)
Close off: 200 psi
Body Pressure: 600 psi
Media Temp. Range: 0°F to 212°F
(-18°C to 100°C)
Close off: 200 psi
Body Pressure: 600 psi



Change over and modulating control for a single coil in a 4-pipe system with a single Modular 6-way Valve.
More Cv options than any other 6-way Valve.

Only 6-way valve with equal percentage characteristic flow option.


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Siral Leak-Free 2-way and 3-Way Ball Valve and Actuator Assemblies

Siral: Meeting Industry Needs with Zero Leakage, Maximum Efficiency Valves

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Siral - Revolutionizing Leak-Free
2-way and 3-way Ball Valves for a Better Future

In the industrial and HVAC sectors, 2-way and 3-way ball valves are commonly used for controlling flow in various applications. However, a persistent issue faced by many companies, is B-port leakage in these valves. Siral, a leading manufacturer specializing in valves and actuators, has taken up the challenge and developed an innovative solution that eliminates leakage on all ports. 

Their unique porting orientation creates forces in equilibrium on opposite ports, resulting in a primary flow in an L-pattern. This breakthrough design eliminates the need to seal all three ports, ensuring zero leakage on both primary and bypass flow. Let's delve deeper into the game-changing features offered by Siral’s leak-free 2-way and 3-way ball valves. 

ECM Motors - Efficient and Reliable

Latest ECM Motor Technology

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What are ECM Motors?

ECM motors, or electronically commutated motors, are motors that use electronic controls to vary their speed and torque output. They are a type of brushless DC motor.

They have no brushes or commutators. This makes them more efficient and reliable than traditional motors.

ECM motors are efficient and reliable. They achieve this through advanced electronic controls. They are capable of varying their speed and torque output in real time.

Do Your Customers Really Need an AprilAire® Whole-home Humidifier?

Whole-home humidification is an important part of any home, and yet 94% of homes don't have it.

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In the wintertime, it's essential to use a whole-home humidifier. Many people don’t realize the air inside their homes is often much drier than outside. The humidity can drop as we spend more time indoors with the windows closed and the heat on. This low humidity can negatively affect our skin, health, and property.

The YELLOW JACKET® P51 TITAN® Digital Manifold Series– Why You Need It

The YJACK® Series is a new platform that offers a total HVAC/R diagnostics solution. 

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For HVAC contractors and facilities managers, having the right tools is essential to getting the job done quickly and efficiently. That's why the YELLOW JACKET® P51 TITAN® Digital Manifold Series is such an invaluable addition to any toolkit. This 4-valve manifold provides fast and accurate measurements for refrigeration and air conditioning systems, all while being easy to use. Let's take a closer look at some of the benefits of this digital manifold series.

Save Time and Money with Bapi's Easy-to-use Wireless Test Instruments

BAPI's Blü-Test NIST traceable test instruments

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If you're responsible for the operation and maintenance of building automation systems, then you know how important it is to have reliable test instruments. And if you're looking for a comprehensive set of wireless test instruments that are NIST traceable, then the Blü-Test wireless test instrument suite by Building Automation Products, Inc. (Bapi) is just what you need. The Blü-Test suite includes a variety of test instruments that can help you troubleshoot HVAC and building automation systems quickly and accurately. 



«October 2023»