SEALCO part description

Features & Benefits

  • Guards against leaks, preventing complete loss of air pressure and maintaining some level of braking functionality
  • Provides an extra layer of security, preventing vital components from overworking to compensate for pressure deficiencies
  • Features a built-in check valve that allows for direct refilling of the air brake system reservoirs from the supply line
  • Eliminates the need for complex workarounds and streamlines the process of restoring proper air pressure in your system
  • Simplifies troubleshooting within the air brake system, helping technicians pinpoint the source of the problem more efficiently

Sealco Air Brake Pressure Protection Valve

Ensure the safety and reliability of your air brake system with the Sealco Air Brake Pressure Protection Valve. This valve ensures optimal functionality and protects your vehicle from potential damage caused by air pressure loss. It acts as a fail-safe mechanism within your air brake system that automatically isolates the issue in the event of a leak or pressure loss in a connected device. This prevents a complete loss of air pressure and maintains some level of braking functionality, allowing you to maneuver safely to a stop. This function enables the Sealco 140270 to protect vital components from overworking.

Product Attributes

Inlet Port 3/8 in. NPT
Nominal Closing Pressure 60 psi
Notes with Internal Check Valve
Outlet Port 3/8 in. NPT

SEALCO 140270 Cross Reference

We have 6 alternatives for the 140270 by SEALCO:

Based in Phoenix, AZ, Sealco® designs and manufactures aftermarket brake and electrical components for commercial vehicles. It specializes in air and anti-lock brake parts and is consistently the leading low-cost producer of trailer air brake valves in North America. Sealco valves are well-recognized in the industry for their remarkable quality, with a patented zinc alloy construction that's pneumatically and submersion-tested to ensure zero leakage. This dedication to quality has made Sealco Commercial Vehicle Products the primary service provider authorized by Meritor WABCO to service and sell their ABS systems to trailer OEMs. Sealco products are also designed, engineered, and assembled in the U.S.A with warehouses in Indiana and Arizona to ensure products are shipped within 48 hours upon receipt of order.

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