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Investors Relations & Haldex information

Relay Valve

Part no. KN28500X
item status Active
Product line Reman
Reman. 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 inch centers.
  • Cover may be rotated without affecting warranty or performance.
  • Control position is in relationship to delivery ports.
  • Approximate Weight: 1.5 lbs.
  1. Available CoreFree™, order KN28500RX.
  2. Repair Kit use part number RN10HM.
Availability - If no Inventory shown, call regional CS
USA 17 standard packs in stock
Canada 5 standard packs in stock
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Cancer and
Reproductive Harm

Technical specs

Supply A 3/8"
Supply B 3/8"
Delivery C 3/8"
Delivery D 3/8"
Control Position 90°
Plugs Included 1 @ 3/8"
OEM Part Number N30108BC
Core Group 225
Width 3-1/2"
Length 3-1/2"
Height 3-5/8"
Contol Port 1/4"
Cracking Pressure 5.6 ± 1.0 PSI
Mounting Holes (2) .34" diameter on 1.50" centers
Approximate Weight 1.5 lbs.


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