RG2 relay valve.

• A fast relay used to apply and release service brakes on tractor or trailer
• Cracking pressure: 5.6 +/- 1.0 PSI
• Compact size
• Control Port 1/4"
• Two port delivery
• Two mounting holes, .34 diameter on 1.50" centers
• Cover may be rotated without affecting warranty or performance.

(1) 3/8" and (1) 1/2" supply ports, (2) 3/8" delivery ports, 90° control position, includes (1) 1/2" and (1) 3/8" plugs.