Description
Description & Function
A ST‑1 type safety (pressure relief) valve, factory-set at 150 psi and field-adjustable, designed for air brake systems
Cross‑References
This valve corresponds to multiple OEM numbers:
Bendix: 205105, 205105N
Navistar: 1676692C1
Velvac: 030074/030075
Euclid: E‑BN205105N
Haldex: KN31400(N)
Meritor: R955205105N
Newstar: S‑C291
Other equivalents include World American WA205105, ATM170.205105
Additional Notes
The valve is field-adjustable, allowing minor tuning of relief pressure.
It is used in various air system applications (AD2, AD4, AD9, ADIP, ADIS)






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