GENUINE SEALCO:
The Sealco 140280 Pressure Protection Valve is an essential component in the air brake system of heavy-duty trucks and trailers. This valve is designed to protect the air system by maintaining pressure and preventing loss of air in the event of a failure. Built for durability and reliability, the Sealco 140280 ensures optimal performance and safety, making it a trusted choice for maintaining the integrity of your truck's air brake system.
Used to protect the air brake system in case of failure of an attached device. The built in check valve allows direct filling of system reservoirs from the supply line.
Can be used to direct fill system reservoirs because of the built in check valve.
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Used to protect the air brake system in case of failure of an attached device. The built in check valve allows direct filling of system reservoirs from the supply line.
Always install with vent port downward. |
| Part Number |
Inlet Port (NPT) |
Outlet Port (NPT) |
Nominal Closing |
Repair Kit |
Notes |
| 140200 |
3/8" |
3/8" |
50 PSI |
140201 |
|
| 140270 |
3/8" |
3/8" |
60 PSI |
140271 |
|
| 140280 |
3/8" |
3/8" |
70 PSI |
140281 |
|
| 140290 |
3/8" |
3/8" |
80 PSI |
140291 |
|
| 140300 |
1/4" |
1/4" |
50 PSI |
140201 |
|
| 140370 |
1/4" |
1/4" |
60 PSI |
140271 |
|
| 140380 |
1/4" |
1/4" |
70 PSI |
140281 |
|
| 140390 |
1/4" |
1/4" |
80 PSI |
140291 |
|
| 140680 |
3/8" |
1/4" |
70 PSI |
140281 |
Replaces 140580 |
