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TCW Control Valve Servo Kit

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12V24V
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Overview

The TCW Control Valve Servo Kit is a system for controlling valves and dampers such as those used to select cabin heat or ventilation or control air flow through oil coolers or radiators. The CVS kit includes an instrument panel mounted controller, a travel linear actuator servo and a pre-made 5-foot wiring harness. The controller provides fully proportional operation of the linear actuator servo, allowing the motion of the attached valve or damper to be selected at any position from fully opened to fully closed. Additionally, the CVS system may be coupled to an optional butterfly valve (3” or 4” available) for controlling the flow of cooling air through an oil cooler assembly.

The standard kit includes a 1.2 oz Servo with a 30 mm travel linear actuator servo and a pre-made 5-foot wiring harness. The Heavy-Duty kit includes a 1.4 oz Servo with a 50 mm travel linear actuator servo and pre-made 5-foot wiring harness.

The Standard Kit should be used with Van’s RV Heater Valves and TCW butterfly valves.

Specifications

CVS-12V-KIT CVS-12V-KIT-HD CVS-24V-KIT CVS-24V-KIT-HD
Input Voltage: 10 – 15 volts DC 10 – 15 volts DC 22 – 30 volts DC 22 – 30 volts DC
Input Current: 0.5 amp 0.5 amp 0.1 amp 0.1 amp
Servo: 30 mm max travel 50 mm max travel 30 mm max travel 50 mm max travel
Max Drive Force: 2.5 lbs. 10 lbs. 2.5 lbs. 10 lbs.
Max Holding Force: 10 lbs. 40 lbs. 10 lbs. 40 lbs.
Temperature Range: -30° C to 70° C -30° C to 70° C -30° C to 70° C -30° C to 70° C
Weight: Servo: 1.1 oz.
Controller 1.0 oz.
Servo: 1.1 oz.
Controller 1.0 oz.
Servo: 1.1 oz.
Controller 1.0 oz.
Servo: 1.1 oz.
Controller 1.0 oz.
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Reviews

Magaero L Verified Purchase

TCW CONTROL VALVE SERVO KIT

November 10, 2022

Magaero L Verified Purchase

TCW CONTROL VALVE SERVO KIT

November 8, 2022

Installed but still in the build stage so it will be a year before I fly. They work well. I’m just concerned about the long term use as they will be exposed to vibration and heat mounted on the firewall. Time will tell. A lot of money for what you get.

Keith R Verified Purchase

TCW CONTROL VALVE SERVO KIT

January 6, 2022

Documentation is lacking for oil cooler butterfly valve. Figures in instruction only show heater box. Wiring connectors will have to be removed if your routing thru firewall. Would be better if supplied harness came with connectors not installed.

Gary
January 7, 2021

Q&A

Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Could the controller operate two actuators at once? Thinking on making and installing two cowl flaps with two separate actuators, but Id like them both to work at the same time, so two controller unit would not be necessary.

No, it cannot operate two actuators at once.

Q: Is this system variable position or on/off?

Per the manufacturer: The controller provides fully proportional operation of the linear actuator servo, allowing the motion of the attached valve or damper to be selected at any position from fully opened to fully closed.

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