The Midland Haldex KN28085 is a four-port, single-control-line relay valve with an integral mounting bracket, designed to apply and release service brakes on tractors and trailers. The supply port (port 2) is 1/2", delivery port (port 4) is 3/8", and control port (port 1) is 3/8". Crack pressure is 4.6 PSI. The valve mounts via 5/16" fasteners on 1-1/2" centers. The cover can be rotated to suit installation without affecting performance. Repair kit RN10HK is available for service. A genuine Midland Haldex part, sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Interchanges:
- N30096P
A factory handling fee of $25.00 per unit is added at checkout.
Features
Four-port relay valve with single control line and integral mounting bracket
Supply port (2): 1/2"; Delivery port (4): 3/8"; Control port (1): 3/8"
Crack pressure: 4.6 PSI
Mounts via 5/16" fasteners on 1-1/2" centers
Cover is rotatable without affecting performance
Repair kit RN10HK available
Tech Specs
- Supply Port (2): 1/2"
- Delivery Port (4): 3/8"
- Control Port (1): 3/8"
- Crack Pressure: 4.6 PSI
- Mounting: 5/16" on 1-1/2" centers
- Repair Kit: RN10HK
