Valves & Pumps

Wetheads unite! New technologies and application stories.

ARTICLES

Danfoss, Heating Solutions: Pressure-Independent Control Valve Actuator

April 29, 2013

The new generation of 435 Series actuators will replace the prior AME 15QM Series of actuator for the AB-QM pressure-independent control valve (PICV). 


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DOE Considering Pump Efficiency Standards

The Department of Energy Is Seeking Industry Input Until May 2
April 22, 2013

For the first time, the U.S. Department of Energy (DOE) is considering creating minimum efficiency standards for clean-water commercial and industrial pumps — and they’re calling on industry leaders, manufacturers, industry associations, and other organizations for input.


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NIBCO Inc.: Balancing Valves, Control Kits

March 4, 2013

The Coil-Connect™ manual and automatic balancing valves, combination ball valves, and unions and valve kits are available. Coil-Connect kits are provided with integral union connections and multiple tapped ports. Strainers and drain valves are also standard.


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Emerson Climate Technologies: Thermal Expansion Valves

January 21, 2013
The NXT Series R-410A thermal expansion valves are balanced ported valves designed for high-efficiency R-410A air conditioning and heat pump applications. The valves operate over a wide range of conditions and applications, while offering excellent performance, reliability, and unparalleled valve life, says the company. 


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NIBCO: Balancing Valves and Control Kits

January 21, 2013
The Coil-Connect™ manual and automatic balancing valves, combination ball valves, unions, and valve kits, including balancing valves, combination ball valves, and unions are provided with integral union connections and multiple tapped ports. Strainers and drain valves are also standard. 


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Honeywell: Hydronic Circulating Pump

January 21, 2013
Available in three sizes, with three speed settings per pump, the AquaPUMP™ hydronic circulating pump has a twist-to-fit flange which rotates 90 degrees to fit every application, the company said. The built-in hardened ceramic internal shaft and bearings offer high-corrosion resistance and longer performance.


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S. A. Armstrong Limited: Commercial In-Line Pump

January 14, 2013
The Design Envelope IVS Twin Vertical in-line pump for commercial HVAC systems combines two variable-speed rotating assemblies in one shared casing. The twin-pump design is a variable-speed, duty/standby solution for any application that demands constant availability, energy savings, and a small footprint.


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Xylem: On-Off Zone Valve

December 3, 2012
The Bell & Gossett® snap zone valve is a compact four-wire thermoelectrically operated on-off zone valve designed for heating and cooling systems. It features an innovative compact design and an adapter ring that allows for the actuators to be installed in any 360-degree position.


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Emerson Climate Technologies: Thermal Expansion Valve

November 26, 2012
The NXT Series R-410A thermal expansion valve (TXV) is a balanced ported valve designed for high-efficiency R-410A air conditioning and heat pump applications. NXT Series valves operate over a wide range of conditions and applications.


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Belimo Americas: Two-Way Pressure Control Valve

November 19, 2012
A two-way pressure independent control valve, the Belimo Energy Valve™ optimizes, documents, and proves water coil performance. It uses the Delta T Manager™ algorithm to directly control coil performance. It also monitors the coil performance characteristic curve and resulting energy/power output.


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Multimedia

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2013 ACCA Conference & IE3 Expo

Photos from the 2013 ACCA Conference & IE3 Expo in Orlando, Fla.

Podcasts

Cade Clark, assistant vice president of government affairs for the Air-Conditioning, Heating & Refrigeration Institute (AHRI), gives a brief overview of the new version of the Shaheen-Portman bill, what AHRI thinks of the energy-efficiency legislation, and how it might affect the HVACR industry if it becomes law.
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