Fortpro is a trusted leader in the development and manufacturing of premium-quality truck parts designed to meet the demands of semi-trucks and heavy-duty trucks. Renowned for innovation, durability, and reliability, Fortpro products are engineered to enhance performance, safety, and efficiency across a wide range of trucking applications.
Whether you're seeking OEM replacement parts or upgrades, Fortpro provides a diverse selection of components backed by a global reputation for quality and innovation. Trust Fortpro for the parts you need to keep your vehicles on the road longer and stronger.
| Basic Part Information | |||
|---|---|---|---|
| Product Line | Brakes | Category Name | Air Brake Valves |
| Part Type | Push Pull Valve | Alternate Part Name | Control Valve |
| Model | PP-1 | OEM Part Number | 284171 |
| Application/Fitment Attributes | |||
| Application Type | Heavy Duty Trucks, Semi-Trucks | Delivery Port Qty | 2 |
| Delivery Port Size | 1/8-27 NPT | Exhaust Port Size | 1/8-27 NPT |
| Mounting Hole Size | 7/8-20 UNEF-2A | Supply Port Size | 1/8-27 NPT |
| Dimensional/Physical Attributes | |||
| Material | Die-cast Zinc | Button Color | Yellow |
| Button Shape | Diamond | Button Text | Pull to Apply | Parking Brake | Push to Release |
| Knob Included | Yes | Mounting Nut Included | Yes |
| Plunger / Button Height | 1.64 in. | Plunger Diameter | Ø .374 in. |
| Technical/Performance Attributes | |||
| Automatic Release Pressure | 40 psi | Maximum Operating Temperature | 200 deg. F (93 deg. C) |
| Minimum Operating Temperature | -40 deg. F (-40 deg. C) | ||
| Packaging / Logistics Attributes: | |||
| Net Weight | 0.74 lb. | ||
| Additional Information | |||
| Bill Of Material | "-Push Pull Valve: 1 -Parking Brake Knob: 1 -Nut: 1" | ||
| Intended Application | Air brake systems for trucks and commercial vehicles. This is a manually operated push-pull valve, allowing on-off control of air flow with an exhaust function.Used in applications where reliable air control is required, such as parking and auxiliary brake systems on trucks and trailers. | ||
- Bendix: 284171
- Haldex: KN20021, N20960
- Mack: 745-284171
- Meritor: RKN20021
