Description
QUICK RELEASE VALVE – 1/2" NPT SUPPLY, 3/8" DELIVERY, LOW CRACK PRESSURE
PART NUMBER(S):
Fleet Products: 229860, 229860-G | OE: 229860, KN32011, OR229860 | Automann: 170.229860
DESCRIPTION:
Model: QR-1 Quick Release Valve
Vehicles: Universal fit for heavy-duty truck and trailer air brake systems
• Valve Type: QR-1 style quick release valve
• Function: Accelerates exhaust of air from brake chambers to reduce lag and improve braking response
• Supply Port Size: 1/2" NPT
• Delivery Port Size: (2) 3/8" NPT
• Crack Pressure: 0–1 PSI (nominal)
• Mounting: (2) holes, 0.34" diameter, spaced 1.5" center-to-center
• Material: Cast aluminum construction
• Actuation: Pneumatic, pressure-driven
• Weight: ~0.72 lbs
• Temperature Range: -40°F to 200°F (typical for aluminum pneumatic valves)
• Compatibility: Direct OEM replacement for Bendix QR-1™ series valves and equivalent aftermarket alternatives
• Unique Features:
– Zero to low crack pressure for near-instantaneous exhaust
– 1/2" NPT supply and dual 3/8" NPT delivery ports
– Compact footprint, high flow efficiency
– Ideal for larger brake chambers and service brake circuits
– Compatible with air brake systems across multiple OEMs
Applications:
Used in air brake systems to speed up brake release time by exhausting air directly through the valve body. Ideal for use with large service chambers in tractors and trailers, where minimizing lag improves brake timing and performance. Mounts directly inline and functions automatically without external actuation.
CROSS-REFERENCE(S):
229860, 229860-G, 229860N, 229860RX, 229860X, 229860BXW, 229860NP, 0R229860BXR, 801523, 32018, 32106, KN32011, H229860, BEN-229860, BEN-229860N, BW229860, BW229860N, BW801523, BW OR229860, OR229860X, OTR229860, BX229860, BX229860N, BOR229860X, R955229860, R955229860N, R955229860X, TDAR955229860N, FLT FS229860N, OR229860, OTR229860, E-BN229860X, BNS229860N, 6300229860, 228691DB, 179.1008, 579.1006, PHI12-801, 745801523, AM1791008, AM5791006, WAKN32011, E-BN229860N, 229860P, 3600, 36000, 3658, 36580, LQV-3658, EM36580, 745-229860, 745-229860N, 745-229860RX, 3915329, 3918396, 4M-3384, 5D-5941, 8V-5017, 9234285, 51102, AV229860, ACA-08238700, 0587-229860P, 1006, 1008, 14013, 3507178, B8328GRP, LV1015, 032018, 032106, BER-229860, S-8328, S8328, FC229860, FLTBV860, MBW229860, NS229860, ZAC229860, DP30041, M-229860, TV229860, TV229860R, 14430, TR229860
A cross-reference listing means this part may be a compatible replacement for these part numbers based on OEM or distributor data.
IMPORTANT INSTALLATION NOTES:
✔ Supply port: 1/2" NPT; Delivery ports: dual 3/8" NPT
✔ Mount using two 0.34" diameter holes spaced 1.5" apart
✔ Ensure valve orientation matches system flow direction
✔ Confirm OEM part number before replacement
✔ Use standard NPT thread practices for sealing
✔ After installation, test with soap solution to verify no air leaks
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