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 | Front Axle Valve |
| Alternate Part Name | Pressure Proportioning Valve, Limiting & Quick Release Valve |
| Model | LQ-2 |
| OEM Part Number | 229505 |
Application/Fitment Attributes10 attributes
| Application Type | Heavy Duty Trucks, Semi-Trucks |
|---|---|
| Compatible Repair Kit Part Number | F224624 |
| Control Port Size | 1/4-18 NPT |
| Delivery Port Orientation (CW from Mounting) | 90 deg. / 270 deg. |
| Delivery Port Qty | 2 |
| Delivery Port Size | 3/8-18 NPT |
| Exhaust Port | Open |
| Mounting Hole Qty | 2 |
| Mounting Hole Size | Ø .34 in. |
| Supply Port Size | 3/8-18 NPT |
Dimensional/Physical Attributes1 attribute
| Material | Die-cast Zinc |
|---|
Technical/Performance Attributes3 attributes
| Limiting Ratio | 50% Limited Delivery |
|---|---|
| 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 | 1.16 lb. |
|---|
Intended Application
- Standard
- Dual-function valve used on the front axle of heavy commercial vehicles such as trucks and buses with air brake systems. Its main application is to modulate front brake pressure and improve system response under various road conditions.
- Automann: 170229505
- Bendix: 229505
- Euclid: EBN229505N
- Haldex: 229505X, 229505RX
- Mack: 745-22950, 20QE236A
- Meritor: R955229505N
- Navistar-International: BXOR229505, 124449R, 471209C
- PAI: EM56970, EM56970
