Product specifications

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AIR

In-Line Quick Release Valves Quick Release Valves (QR-1 Style)

• Speeds up release of trailer service brakes when • 3/8" NPT exhaust port

installed on service side gladhand

• (2) 11/32" mounting holes at 1-1/2" on center

• Speeds up application of trailer parking brakes when • Cracking pressure of 1 psi

installed on emergency side gladhand

• Suitable for use on double or triple trailers

• Durable zinc die cast bodies

• Flow Rate: Forward - 9.0 SCFM at 2 psi; Part No. Replaces

Exhaust - 8.0 SCFM at 2 psi 032015 3/8" NPT 3/8" NPT Bendix 229859,

• 1/2" - 14 MPT with Vibraseal thread sealer one end, 288251 & Midland

1/2" - 14 FPT other end. KN32005

• 1-1/2" diameter x 3-1/2" long 032018 3/8" NPT 1/2" NPT Bendix 229860 &

Midland KN32011

Part No. Description 034078 1/4" NPT 3/8" NPT Bendix 229813

032019 Mounts Between Tractor Protection Valve

and Air Lines

032020 Mounts at tractor Gladhand

AIR BRAKE VALVES (cont.)

Ports

Delivery

Ports

Supply

Part No. 032019

Part No. 032020

Quick Release/Double Check Limiting and Quick Release Valves (LQ-2 and LQ-4 Styles)

alve (QR-1C Style)

•

Direct replacement for Bendix

229505

• Direct replacement for Bendix

• LQ-2 Style 289144

• Limits front axle service brake • LQ-4 Style

• Direct replacement for Bendix application by 50% and serves as a • For limiting front axle pressure

289714 & Midland KN32041 quick release valve for that axle -

• 3/8" NPT supply and delivery ports

• 1/4" NPT supply and balance ports commonly found on pre-121 (pre- • (2) 19/32" diameter mounting holes

• (2) 3/8" NPT delivery ports 1985) vehicles at 1-1/2" on center

• (2) 11/32" diameter mounting holes • 3/8" NPT supply, delivery and • Nominal hold off pressure of 4 psi

at 1-1/2" on center exhaust ports

• Nominal equalizing pressure of

• Supply and delivery differential is • 1/4" NPT control port 60 psi

1 psi max

• 19/32" diameter mounting holes at

1-1/2" on center

Part No. Description

Part No. Description Part No. Description

034036 Limiting and Quick

034012 Quick Release Valve 034084 Limiting and Quick Release Valve

Release Valve