Showing posts with label control signal. Show all posts
Showing posts with label control signal. Show all posts

Tuesday, October 31, 2023

Siemens GCA Series Spring Return Actuators; Quality Matched With Reliability.

Siemens, with 150 years of experience in the HVAC industry, continues to produce the devices you’ve come to depend on for reliability, performance and quality.

For projects that require spring return actuators, consideration should be given to the Siemens GCA Series.  Built for damper areas of approximately 36 sq. ft, these actuators are rugged, offering 142 in-lbs of torque, built-in conduit connections and lightweight metal housing for unsurpassed durability.  These are designed to handle over 60,000 full strokes and 1.5 million repositions at rated torque and temperature.

The Siemens GCA161.1U

There is a GCA series configuration designed to serve your needs.  For control signal, there are options for On/Off (2-position), Floating (3-position) or Modulating (0-10 VDC, or 4-20 mA).  Other options include power supply, adjustable start/span (with 2 auxiliary switches), feedback and electronic tandem control.

The GCA models boast several features including:

  • Brushless DC motors to gain reliable control of speed, braking and torque.
  • Fail-Safe spring return that is bi-directional
  • Manual override
  • Self-centering shaft coupling (patented)
  • Span adjustment and offset models are available
  • cUL and UL listed

A number of accessories are also available that include different mounting kits, crank arms, tandem mount brackets, shaft adapters, NEMA rated weather shields and heater kits.

Siemens produces their actuators with versatility in mind, covering a wide variety of HVAC applications including rooftop units (RTUs), vortex dampers, mixing boxes, zone isolation dampers, inlet vane dampers, return air dampers, and outside air dampers including the supply, exhaust and discharge variety. 

Find a Siemens solution to fulfill your project needs today by shopping at E-Controls.net.

E-Controls.net Your Online Source for Building Automation Supplies.

Friday, February 28, 2020

Characterized Control Valves Are Back!






E-Controls re-introduces Belimo Air Controls CCVs (Characterized Control Valves) to it's offering, with the backing of Belimo's 5-year manufacturer’s warranty.  Combining the high close-off distinctions of a ball valve with a specialized disc ensuring an equal percentage flow, these CCVs serve as a marked advancement in control valves.  While offering comprehensive Cv ranges, these units are suitable for any type of application including fan coil units, VAV re-heat coils, air handlers and both heating and cooling coils.

Check out our complete selection of Characterized Control Valves from Belimo.  Filter your search by valve size, control signal or simply type in the SKU or part number if already known.  Find what you need today for these and all of your temperature control and building automation needs at E-Controls.net