Products/Services for Thermally Actuated Louvers
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Dampers and Louvers - (300 companies)Dampers and louvers control the flow of air in a process system or enclosed area. Dampers are usually motorized or manually-adjustable for flow control. They can modulate gas or air flow, detour flow into alternative systems, or isolate a process... -
Damper Actuators - (51 companies)VDC, and 4-20 mA. Products with features such as low-power consumption, direct action, reverse action, and thermal protection are commonly available. Pneumatic damper actuators have a start point that is measured in pounds per square inch (psi... -
Tempering Valves and Thermally Actuated Valves - (102 companies)Tempering valves and thermally actuated valves contain a thermal sensing component that opens or closes in response to temperature changes. They are used to regulate the temperature of hot water and prevent scalding. Thermally actuated valves... -
Thermal Actuators - (6 companies)Thermal actuators produce a linear movement - or stroke - as a result of the expansion and contraction of a thermally sensitive material within them. Integrating temperature sensing and actuation into a single device, thermal actuators are commonly...
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Linear Actuators - (787 companies)...is in the retracted or extended position. Thermal overload protection- Thermal overload protection is used to trip a switch when a preset temperature is exceeded. Intrinsically safe- Intrinsically safe electric linear actuators can be used in hazardous... -
Doors - (1347 companies)Doors are swinging or sliding barriers that can be opened or closed to allow or deny entry.
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Thermal Switches and Thermal Protectors - (625 companies)Thermostats and thermal switches are electro-mechanical on/off switches that are activated by temperature changes. They are typically used to control heating and cooling systems. Thermal switches and thermal protectors are thermally-actuated...
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Valve Actuators - (914 companies)Valve actuators mount on valves and, in response to a signal, move a valve to a desired position using an outside power source. Selecting the correct valve actuator will increase uptime, reduce maintenance costs, and increase plant safety. Most...
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Thermal Cutoffs and Thermal Fuses - (99 companies)Thermal cutoffs and thermal protectors are nonresetting, thermally sensitive devices designed to protect domestic electrical appliances and industrial equipment from fire. They are sometimes described as thermal one-shot fuses. Thermal cutoffs...
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Piezoelectric Actuators - (61 companies)Piezoelectric actuators are devices that produce a small displacement with a high force capability when voltage is applied. Piezoelectric actuators are devices that produce a small displacement with a high force capability when voltage is applied...
Product News
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Bonomi North America, Inc.
Explosion-Proof Electric Actuators electric actuators are flame-proof and combustible dust-proof. They are approved for Class I, Division 1; Class I, Zone 1; and Class II, Division 1 locations. EAX Series actuators offer a wide range of torque outputs. Voltages are 24 AC/DC or 100-240 VAC. All models are ISO 5211 compliant and are equipped with a mechanical visual position indicator. Other features include mechanical stops, two SPDT auxiliary switches, heater, thermostat and built-in thermal protection that prevent motor burnout... (read more)Browse Electric Valve Actuators Datasheets for Bonomi North America, Inc. -
Indelac Controls, Inc.
Compact rotary electric actuator designed explicitly for valve and damper automationPolyester Powder coatings for additional protection against aggressive corrosion/UV degradation. Numbered terminal strips for easy field wiring. Thermal overload protection. Each actuator in our product line offers the highest standard of quality in terms of performance and build quality. We also offer further customization options for specialized applications. Some available options include, but are not limited to: Modulation control. Speed... (read more)Browse Electric Rotary Actuators Datasheets for Indelac Controls, Inc. -
Indelac Controls, Inc.
Quarter Turn Electric Actuators Product Data Sheet. Technical Video. Quarter Turn Series. This series of heavy-duty reversing actuators were developed in 1995 and went into production early in 1996. ICI's K series rotary electric actuator is a machine that was designed to automate quarter turn equipment requiring up to 27300 lb-in (3085 Nm) torque. The K series actuators are equipped with a combination spur gear-worm/worm gear drive train providing efficient and quiet operation, resistance to back driving and long maintenance... (read more)Browse Electric Rotary Actuators Datasheets for Indelac Controls, Inc. -
Plast-O-Matic Valves, Inc.
Superior CAFE Actuators Product Data Sheet. Dimensional Drawing. Complete Operator's Manual. Quick Start Guide: Assembly, Wiring & Installation Instructions. CAFE & CAFE NITRO Electric Actuators. Superior CAFE Actuators provides automatic voltage sensing from 24-240V AC/DC, with standard manual override, position indicator, LED status lights, over-torque protection, condensation heater and thermal protection. Standard actuation time is 5 seconds with 20 Nm torque. CAFE NITRO Model includes programmable options via... (read more)Browse Electric Valve Actuators Datasheets for Plast-O-Matic Valves, Inc. -
ThermOmegaTech®
Thermal Bypass Valves ThermOmegaTech (R) specializes in temperature based control solutions. Our thermostatic thermal bypass valves automatically and precisely divert inlet flow to a heat exchanger or bypass it directly to a reservoir based solely on fluid temperature. These valves ensure accurate control of fluid temperature, shorten warm-up times, and reduce back pressure in the return. Designed with advanced thermal actuator technology in a compact package, our TBVs can easily be integrated into hydraulic... (read more)Browse Industrial Valves Datasheets for ThermOmegaTech® -
ThermOmegaTech®
Thermal Relief For Booster Pumps Pump Thermal Relief. Pump thermal relief valves are essential in booster pumps, fire pumps and any high-pressure water pump to regulate the flow of glycol, water or any other media in applications that require heat removal from equipment or a process. Thermal relief protects pumps and pump seals from over-temperature damage and scalding temperatures being distributed to users. Booster pumps are used in various applications to boost water pressure and improve flow rate through pipelines. Booster... (read more)Browse Tempering Valves and Thermally Actuated Valves Datasheets for ThermOmegaTech® -
Indelac Controls, Inc.
Spring Return Actuators for any application! Spring Return Electric Actuators. Fail-Safe Spring Return Electric Actuators. Fail-safe spring return electric actuators - more simply known as spring return electric actuators - are used on linear and rotary valves in a range of applications across nearly all industrial process systems. These types of actuators are used in situations that require valves to automatically and immediately enter a safe position upon loss of power. Upon restoration of power, the actuator immediately returns... (read more)Browse Valve Actuators Datasheets for Indelac Controls, Inc. -
Indelac Controls, Inc.
SNS4-15 ACTUATOR WITH BATTERY BACKUP SNS4-15 ACTUATOR WITH BATTERY BACKUP. Enclosure options include: NEMA 4, 4X, 7 and 9. The heavy-duty sand-cast aluminum enclosure has a thermally bonded ultraviolet resistant polyester powder coating that not only enhances its appearance but also is a tough corrosion resistant coating. Anodizing and epoxy coatings are offered as well. NEMA 7 and 9 enclosures are perfect when the application requires equipment rated for Class I Groups C & D and Class II Groups E, F & G div. I and II environment... (read more)Browse Electric Valve Actuators Datasheets for Indelac Controls, Inc. -
Indelac Controls, Inc.
L series rotary electric actuator actuators can with stand stall conditions without suffering gear failure. The heavy-duty sand-cast aluminum enclosure meets NEMA 4 specifications and has a thermally bonded ultraviolet resistant polyester powder coating that not only enhances its appearance but is also a tough corrosion resistant coating. Standard equipment includes 115Vac-1ph continuous duty motor with thermal over load protection, heavy duty hardened steel spur gearing, two limit switches wired for light indication, stainless steel... (read more)Browse Electric Rotary Actuators Datasheets for Indelac Controls, Inc. -
Plast-O-Matic Valves, Inc.
CAFE Electrically Actuated Ball Valves Superior Performance CAFE & CAFE NITRO Electrically Actuated Ball Valves. CAFE Actuated Ball Valves offer automatic voltage sensing from 24-240V AC/DC, with standard manual override, position indicator, LED status lights, over-torque protection, condensation heater and thermal overload protection. Fail-Safe battery pack optional. Standard actuation time is 5 seconds; torque configurations to 20 Nm. CAFE NITRO Model includes programmable OLED screen, complete menus, fully directional keypad... (read more)Browse Ball Valves Datasheets for Plast-O-Matic Valves, Inc.
More Information
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Thermal tests of an improved louver system for spacecraft thermal control.
Optimal design for improving thermal performance of existing spacecraft thermally actuated louver system by increasing open-to-closed emittance ratio .
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A designer's look at the Mariner IV's temperature control subsystem.
Mariner IV temperature control subsystem hardware, examining thermal shields, thermally actuated louver system and flexible multilayer shields .
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The Orbiting Geophysical Observatories
THERMAL CONTROL Sun-facing surfaces of the body are insulated with aluminized Mylar; 113 louvers , thermally actuated by bimetallic springs and mounted on surfaces that do not see direct sunlight, control radiation from the body to maintain internal temperatures in orbit between…
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The Pioneer Anomaly
These louvers were actuated by bimetallic springs that were thermally (radiatively) coupled to the main elec- tronics platform behind the louvers.
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https://dspace.lib.cranfield.ac.uk/bitstream/1826/4157/1/Hobday_Thesis_1987.pdf
The louvre could be opened and closed by a direct linkage to the air deflector, or by a thermally actuated device.
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Temperature Effect on the Sensitivity of a Highly Sensitive Micro-Machined Displacement Sensor
Abstract:This paper presents a lateral thermally - actuated and laterally capacitive shunt MEMS switch utilizing parylene as the dielectric layer. .... Micro Louvers for Micro and Nano-Satellites Thermal Control .
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Journal of Spacecraft and Rockets > Thermal scale modeling of a modified prototype of the Mariner spacecraft.
The thermal control louver assemblies could not be exactly scaled because of the available sizes of bimetallic actuating springs. .... The entire bay containing the PIPS, as installed on the TCM, was thermally isolated by low-emittance…
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New Horizons
Only the HGA and the star trackers are thermally isolated from the spacecraft bus. .... Early in the mission, louvers actuated when the internal box temperatures exceeded 25◦ C to keep the internal temperature from getting too high.
