The Midland Haldex KN20611 is a manifold dash valve designed for dual-circuit air brake systems on tractor-trailer combinations. It features a one-piece Engineering Grade Composite (EGC) housing with horizontal mounting using four 1/4"-20 well nuts in the body. The valve operates two spools controlling independent tractor and trailer brake circuits: tractor valve pressure range 20-35 PSI, trailer valve 20-45 PSI, and non-override at 25 +/- 5 PSI. All ports are 1/4" and molded with identification markings. The unit is completely serviceable. Call us to confirm proper fit for your application.
Trailer Valve 20 - 45 PSI
Non-Override 25 ± 5 PSI
Interchanges:
- 34570
- EM34570
- N4400B
- N4400EH
- Mack 5396-KN20611
- Mack 5396-N4400B
Features
One-piece Engineering Grade Composite (EGC) housing for durability
Horizontal mount using four 1/4"-20 well nuts in body
2-spool design controlling separate tractor and trailer brake circuits
Tractor valve pressure range: 20-35 PSI; trailer valve: 20-45 PSI
Non-override setting: 25 +/- 5 PSI
All ports are 1/4"; molded port identification markings included
Fully serviceable construction
Tech Specs
- Mounting (4): Horizontal - 1/4"-20 well nuts in body
- Trailer Delivery: 1/4"
- Reservoirs (2): 1/4"
- Exhaust: 1/4"
- Tractor Delivery: 1/4"
- Auxiliary Supply: 1/4"
- OEM Part Number: N4400EH or N4400B
- Tractor Valve: 20-35 PSI
- Trailer Valve: 20-45 PSI
- Non-Override: 25 +/- 5 PSI
- Spools: 2
Additional Information
Tractor Valve 20 - 35 PSITrailer Valve 20 - 45 PSI
Non-Override 25 ± 5 PSI
