Description
| Name | Part Number |
|---|---|
| WABCO | 4640070010 |
| Hendrickson | VS-227 |
| Haldex | 9055535 |
| Meritor | R955550 |
| Knorr-Bremse | SV1290 |
| HD Plus | 171.9055535 |
| Attribute | Value |
|---|---|
| Product Type | Height Control Valve (HCV) |
| Application | Air Suspension Systems (Truck / Trailer / Bus) |
| Function | Maintains constant suspension height |
| Operating Pressure | 0 – 150 PSI |
| Maximum Pressure | Up to 165 PSI |
| Control Type | Mechanical linkage-controlled valve |
| Port Size | 1/4″ or 3/8″ NPT |
| Number of Ports | 2 to 3 ports configuration |
| Mounting Type | Chassis-mounted |
| Linkage Type | Adjustable lever arm linkage |
| Response Sensitivity | High precision response to height variation |
| Material | Die-cast aluminum body |
| Surface Finish | Corrosion-resistant coating |
| Internal Components | Precision spool and valve seat |
| Seal Material | Nitrile Rubber (NBR) / Synthetic Elastomer |
| Temperature Range | -40°F to +176°F |
| Air Flow Direction | Marked on valve body |
| Leakage Rate | Minimal under normal operating conditions |
| Vibration Resistance | Suitable for heavy-duty road environments |
| Durability | High cycle life for continuous operation |
| Adjustment Range | Wide height adjustment capability |
| Installation Orientation | Flexible (recommended per OEM guidelines) |
| Maintenance Requirement | Low (periodic inspection recommended) |
| Compatibility | OEM & aftermarket air suspension systems |
| Compliance | Meets commercial vehicle standards |
| Weight | 1.20 LB |









