Product Overview
The Sealco 110200 is a rugged relay emergency valve designed for use in trailer air brake systems. Featuring a charging-style design with four delivery ports and a dedicated reservoir connection, this valve ensures reliable brake application and release under heavy-duty conditions.
Its ratio feature briefly increases brake chamber pressure during hard stops, providing improved braking response and safer operation. Built to OEM specifications, the 110200 is widely used in trailer applications where durability, performance, and compliance with FMVSS 121 standards are critical.