A Challenge to Durable Solenoid Design

TLX was approached with an application that called for a solenoid valve to operate while completely submerged in the hot automatic transmission fluid of an all-terrain vehicle...Easy right? Well, our engineers were up for the challenge.

Customer Problem

TLX is proud of the durability of our components and sometimes it seems like customers just want to test this pride....challenge accepted. We were approached with an application that called for a solenoid valve to operate while completely submerged in the hot, harsh automatic transmission fluid of an all-terrain vehicle (easy, right?).

The TLX Solution

Our engineers rose to the challenge and designed a component that would not only operate in this environment, but also met low-leakage requirements and operated over a variety of pressure ranges. Furthermore, TLX adapted a test stand to preheat transmission fluid, so that the solenoid valves could be tested to the customer's specific requirements.

Three-Way Proportional Pressure Reducing-Relieving Valve

Specifications
Supply voltage
10-14 VDC
Control current signal
0-1.5 amp
Coil resistance at 20°C
5.7 ± .05 Ω
Supply pressure
175 ± 1.24 bar (175 ± 18 psi)
Flow rate @ 12.06 bar (175 psi)
>1.0 in 3 sec
Max operating temperature
93°C fluid temperature
Flow rate (inlet to control)
.75 gpm @ 12.06 bar (175 psi)
Fluid type
Automatic transmission fluid

All TLX components are customized to fit system requirements, meaning technical specifications are unique to each customer and design. Examples given on our website are for illustration purposes only.

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