| Product Line | Brakes |
| Category Name | Brakes |
| Part Type | Quick Release Valve |
| Alternate Part Name | Air Brake Quick Release Valve, Quick Release Valve |
| Model | QR-1 |
| Application Type | Semi-Trucks, Heavy Duty Trucks |
| Delivery Port 1 Size | 3/8-18 NPT (Female) |
| Delivery Port 2 Size | 3/8-18 NPT (Female) |
| Exhaust Port | Open |
| Mounting Hole Qty | 2 |
| Mounting Holes Size | 0.34 in. |
| Supply Port Size | 3/8-18 NPT (Female) |
| TMC Washer | QR000 |
| Material | Die-cast Aluminum |
| Differential Pressure | 0 psi |
| Maximum Operating Temperature | 200 Deg. F (93 Deg. C) |
| Minimum Operating Temperature | -50 deg. F (-45 deg. C) |
| Sustained Hold | No |
| Zero Hysteresis | Yes |
| Net Weight | 0.76 lb. |
| Cross References | 229859N, 10229859, 170229859, 229859, 229859N, 229859RX, 229859X, A9859, AV065067, AV229859, BH229859, EBN229859N, EM36570, LOV3657, OR229859, OR229859X, R955229859N |
| Intended Application | - Compatible with heavy-duty air brake systems requiring a Bendix QR-1® quick release valve with a 3/8 NPT supply port and dual 3/8 NPT delivery ports. Ideal for commercial trucks, tractors, buses and vocational vehicles using pneumatic service brake systems. Installs in service brake circuits to rapidly exhaust brake chamber air, reducing release time, minimizing brake drag and restoring OEM braking performance.
- Always compare with your OEM part number prior to purchase to confirm full compatibility.
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| Foam Insert Included | No |