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 Information5 attributes
| Product Line | Brakes |
|---|---|
| Category Name | Air Brake Valves |
| Part Type | Pressure Protection Valve |
| Model | PR-2 |
| OEM Part Number | 277147 |
Application/Fitment Attributes6 attributes
| Application Type | Heavy Duty Trucks, Semi-Trucks |
|---|---|
| Delivery Port Qty | 1 |
| Delivery Port Size | 1/4-18 NPT |
| Mounting Hole Qty | 2 |
| Mounting Hole Size | Ø .271 in. |
| Supply Port Size | 1/4-18 NPT |
Dimensional/Physical Attributes1 attribute
| Material | Die-cast Zinc |
|---|
Technical/Performance Attributes4 attributes
| Adjustment System | Adjustable |
|---|---|
| Closing Pressure | 65 ± 5 psi |
| Maximum Operating Temperature | 200 deg. F (93 deg. C) |
| Minimum Operating Temperature | -40 deg. F (-40 deg. C) |
Packaging / Logistics Attributes:1 attribute
| Net Weight | 0.55 lb. |
|---|
Intended Application
- Air brake systems for commercial and heavy vehicles. Their primary function is to protect specific circuits or reservoirs of the pneumatic system by keeping them isolated until a preset air pressure is reached, thus ensuring adequate pressure build-up in critical sections of the system before supplying auxiliary components.
- Automann: 170277147
- Bendix: 277147
- Euclid: EBN277147N
- Haldex: 277147X
- International-Navistar: 1676715C1, BAN277147, BX277147N
- Mack: 745-277147N
- Meritor: R955277147N
- PAI: EM55480
