VALVE CONTROL LINE SEA110570

Provides a balanced control line signal for multi-axle trailers or combination vehicles. Improves service brake release and helps eliminate brake drag. Made of special zinc alloy that reduces porosity and strengthens threads. Control Port (NPT) 3/8”. Delivery Ports (NPT) 2 x 3/8. Nominal Crack Pressure 0 psi. Reservoir Port (NPT) 1/2 “. Supply Port (in.) 1 x 3 / 4”. Trailer Emergency Port Size 1 x 1/2 in. Trailer Service Port Size 1 x 1/2 in. Valve Stoplight Port Size 1 x 1/4" & 1 x 3/8" Plugged.