Product Overview
The World American WA110197 is a 2-port service relay valve for non-ABS air brake systems. It replaces Sealco 110197 and is used primarily for single-axle trailer service brakes or tandem axle-by-axle trailer brake configurations.
During a service brake application, control pressure operates the valve, allowing reservoir air to be delivered to the service brake chambers. The 2-port designation refers to its two delivery ports, not the total number of connections on the valve.
WA110197 has two 3/8" NPT control ports, two 3/8" NPT delivery ports, and one 1/2" NPT reservoir/supply port. It has a 4 PSI nominal crack pressure and uses a 6002 or 6003 mounting nipple for nipple-mounted installation.
Common interchange numbers include Automann 170.110197, Dayton AV110197, Euclid E-SL110197 and E-SL110197X, Haldex 110197RX and 110197X, Meritor RSL110197, S&S S-17737, and Tectran TV110197.
