The Midland Haldex KN28041 is a four-port relay valve with built-in anti-compounding designed for air brake spring brake control systems. It features a 1/2-inch supply port, 1/2-inch delivery port, and 1/4-inch control port, with a crack pressure of 4.6 PSI. The integrated two-way check valve prevents compounding of service and spring brake application forces. The valve cover can be rotated to suit installation orientation without affecting performance. Repair kit part number RN10HK is available separately. Bracket is not included. Cross-references include N30100MA, N30100MB, N30100MC, N30100MD, and R955KN28041X, among other Haldex OEM numbers. Call us to confirm proper fit for your application.
Features
Four-port relay valve with built-in anti-compounding two-way check for spring brake control
4.6 PSI crack pressure
1/2-inch supply port and 1/2-inch delivery port
1/4-inch control port
Cover may be rotated to suit installation without affecting performance
Replaces multiple Haldex OEM numbers including N30100MA, N30100MB, N30100MC, and N30100MD
Tech Specs
- Supply Port 1/2"
- Delivery Port 1/2"
- Control Port 1/4"
- Crack Pressure 4.6 PSI
- Notes Bracket not included. Repair kit: RN10HK.
- OEM Part Number Various
