Description
| Name | Part Number |
|---|---|
| WABCO | 4341000010 |
| Bendix | 800514 |
| Haldex | KN31000 |
| Meritor | R955200 |
| Sealco | 110800 |
| HD Plus | 170.173692 |
| Attribute | Value |
|---|---|
| Product Type | Pressure Protection Valve |
| Application | Air Brake Systems (Truck / Trailer / Bus) |
| Function | Pressure isolation and regulation valve |
| Opening (Cut-in) Pressure | 70–85 PSI (±5 PSI tolerance) |
| Maximum Operating Pressure | Up to 150 PSI |
| Burst Pressure Rating | ≥ 300 PSI |
| Port Size | 1/4″ or 3/8″ NPT (configurable) |
| Number of Ports | 2 to 4 ports (depending on configuration) |
| Mounting Type | Inline / Chassis-mounted |
| Installation Orientation | Flexible (upright preferred for optimal performance) |
| Material | High-grade aluminum / brass alloy |
| Internal Mechanism | Spring-loaded piston with precision valve seat |
| Seal Material | Nitrile Rubber (NBR) / Synthetic Elastomer |
| Leakage Rate | Near-zero leakage under normal conditions |
| Flow Direction | Marked on valve body |
| Temperature Range | -40°F to +176°F |
| Corrosion Resistance | High (salt spray tested components) |
| Vibration Resistance | Designed for heavy-duty road conditions |
| Durability | High cycle life (>1 million cycles) |
| Response Time | Instant pressure response activation |
| Compatibility | OEM & aftermarket air systems |
| Maintenance Requirement | Low (periodic inspection recommended) |
| Safety Compliance | Meets commercial vehicle air brake standards |
| Weight | 0.75 LB |
