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52462 Series

Pressure Protection Valve
Protects primary air systems when utilized with auxiliary air components
Applications
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55581 Series

Linkless Cabin Air Suspension leveling Valve
Applications
- Semi tractor cabin air suspension
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55521 Series

Cab Air Suspension Valve
Applications
- Tractor
- Single Valve Cab Suspension
- Dual Valve Cab Suspension
- Front Suspension
- Trailer
- RV
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52331 Series

Second Ride Height Leveling Valve
Accurate Second Ride Height Control
Applications
- Tractor
- Raise suspension for additional under-vehicle clearance
- Lower for trailer undock / Vehicle aerodynamics
- Trailer
- Raise suspension for additional clearance
- Lower for overhead obstacles
- Bus and Coach
- Raise suspension for additional under-vehicle clearance
- Lower (kneel) for passenger load / unload
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52321 Series

Air Suspension Valve
Feature proportional response and are available in both low flow and high flow configurations
Applications
- Tractor
- Primary Suspension
- Cab Suspension
- Front Suspension
- Trailer
- Bus
- RV
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52341 Series

Air Suspension Valve with Integral Dump
Integral dump feature brings the ability to quickly exhaust the air bags into one compact package
Applications
- Tractor
- Single Valve Rear Suspension
- Dual Valve Rear Suspension
- Trailer
- Positive and Negative Dump
- Bus
- RV
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54341 Series

Air Suspension Valve with Reverse Integrated Dump
Reverse Integrated dump - relies on negative air pressure to actuate the dump feature
Applications
- Trailer Air Suspension Systems
- Replaces:
- Hadley: H00500CA w/ HPB500-7
- Haldex: 90554648 or 90054007 w/90554902
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