53321Q120 Air Standard Leveling Height Control Valve Kit VS227 For Truck Trailer

Replace Part Number: 

Haldex VS-227, 53321-Q120

Fit for: 
All Hendrickson Suspension Applications, All 1980’s Through Current Neway Trailer Air Suspensions,
Most Other Trailer Air Suspensions.

Practical application;
1. Truck cab suspension, more common in the semi-floating rear suspension frame of high-end models, or full-floating front and rear suspensions
2. Truck chassis, used to improve the transmission performance of the chassis, or to achieve a special function,such as some trucks lowering the height to load and unload goods.
3. Bus chassis suspension, more common in high-end or luxury buses, can significantly improve ride comfort.
4. Other occasions, such as railway vehicles, airport shuttles, cranes, etc

Package Includes:
1× Height Control Valve as Pictures
 

Installation Recommendations: 
When Not Exceeding The Maximum Movement Angle of 45 °,
The Length Ratio L / A Should Be <= 1.2. The Length L Should Be Between 175 and 295 mm.
If A Shorter Yaw is Used, The Height Valve Will Generate A Large Air Consumption.

Height valve for use in vehicle suspension systems with air springs.
By dynamically sensing the height change of the vehicle, the air intake or exhaust action is completed in time to adjust the height of the air spring (airbag), Therefore, under the action of the height valve, the height of the air spring can be kept fluctuating near the equilibrium position, So as to ensure that the body does not change with the change of load. Improve occupant comfort while preventing road damage from wheel impact.