Tramec Sloan 51321 Stev - Sensing Trailer Emergency Valve, 1/4" Supply And Control Ports

The Tramec Sloan 51321 STEV (Sensing Trailer Emergency Valve) provides critical safety protection for trailer air brake systems by automatically engaging the trailer brakes when a supply line failure is detected. Engineered with ¼” NPT supply and control ports, this valve ensures reliable connection and consistent performance in heavy-duty applications. Built to meet rigorous industry standards, the STEV valve is a vital component for maintaining trailer brake system integrity. Ideal for commercial trailers, semi-trailers, and heavy-duty hauling equipment requiring dependable emergency brake activation.

Tramec Sloan 51321 STEV - Sensing Trailer Emergency Valve, ¼” Supply And Control Ports

PRODUCT OVERVIEW
The Tramec Sloan 51321 STEV is a sensing trailer emergency valve engineered to provide automatic trailer brake application in the event of a supply line failure or disconnect. This critical safety component monitors air pressure in the supply line and activates the trailer brakes when pressure drops below a safe threshold, preventing runaway trailer situations. Designed with ¼” NPT supply and control ports, the valve integrates seamlessly into standard air brake systems on commercial trailers, semi-trailers, and heavy-duty hauling equipment. Built for durability and reliability, the STEV valve meets industry standards for emergency brake system protection.

KEY FEATURES
- Automatic emergency brake activation upon supply line failure or pressure loss
- ¼” NPT supply and control ports for standard air brake system compatibility
- Durable construction designed for heavy-duty trailer applications
- Ensures trailer brake engagement to prevent runaway situations
- Meets industry safety standards for trailer emergency brake systems