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 Information6 attributes
| Product Line | Brakes |
|---|---|
| Category Name | Air Brake Valves |
| Part Type | Pressure Proportioning Valve |
| Alternate Part Name | Relay Valve |
| Model | BP-R1 |
| OEM Part Number | 65146 |
Application/Fitment Attributes13 attributes
| Application Type | Heavy Duty Trucks, Semi-Trucks |
|---|---|
| Compatible Repair Kit Part Number | F224639, 106932 |
| Control Port Size | 1/8-27 NPT |
| Delivery Port 1 Size | 1/2-14 NPT |
| Delivery Port 2 Size | 1/2-14 NPT |
| Delivery Port 3 Size | 3/8-18 NPT |
| Delivery Port 4 Size | 3/8-18 NPT |
| Exhaust Port Size | Dust Shield |
| Mounting Bracket Dimension | 0.40 in. x 0.96 in. Slot (x4) |
| Service Port Size | 1/4-18 NPT |
| Supply Port 1 Size | 1/2-14 NPT |
| Supply Port 2 Size | 1/2-14 NPT |
| Universal Mounting Bracket Included | Yes |
Dimensional/Physical Attributes2 attributes
| Material | Metal Alloy |
|---|---|
| Valve Body Configuration | 2 SUP / 4 DEL (2H + 2V) |
Technical/Performance Attributes3 attributes
| Crack Pressure | 5.5 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 | 3.28 lb. |
|---|
Intended Application
- Tractor trucks with air brake systems to optimize braking when the truck operates without an attached trailer (bobtail mode).
- Automann: 170065146
- Bendix: 65146
- Euclid: EBN065146N
- Haldex: 65146X
- Internationa-Navistar: BX65146N
- Mack: 745-065146
- Meritor: R955065146N
- PAI: EM56880
