Midland Haldex Tractor Protection Valve KN34127

The Midland Haldex KN34127 is a tractor protection valve designed for air brake systems on heavy-duty tractor-trailer combinations. The emergency inlet accepts 3/8" push-to-connect (PTC) tubing. The foot control features two ports: one 1/2" PTC and one 3/8" PTC. The hand control port is 3/8" PTC, and the stop light switch port is 1/4" PTC at a 90-degree angle. Both the trailer service outlet and trailer emergency outlet are 1/2" NPT. This valve carries OEM cross-reference number N30162RP. Also cataloged as MDKN34127. Call us to confirm proper fit for your specific tractor application.

Midland Haldex KN34127 Part Details

Part Number	KN34127
Brand	Midland Haldex

Features

Tractor emergency inlet: 3/8" push-to-connect (PTC)
Foot control: (1) 1/2" PTC port and (1) 3/8" PTC port
Hand control: 3/8" PTC
Stop light switch port: 1/4" PTC, 90-degree angle
Trailer service and emergency outlets: 1/2" NPT each
OEM cross-reference: N30162RP

Tech Specs

• Tractor Emergency Inlet 3/8" PTC
• Foot Control (1) 1/2" PTC, (1) 3/8" PTC
• Hand Control 3/8" PTC
• Stop Light Switch 1/4" PTC, 90-degree
• Trailer Service Outlet 1/2" NPT
• Trailer Emergency Outlet 1/2" NPT
• Exhaust Tube No
• OEM Part Number N30162RP