Pilot Unloader Valve - 131BFor constant speed use with gas or electric air compressors.
1/4” Compression Unloader Port. Pre-Set @110 PSI Cut-In/135 PSI Cut-Out.
For Use with Rol-Air Models:
- 3095K18CS
- 4090HK17
- 5520K17CS
- 5715K17CS
- 5GR30HK17
- 6590HK18
- 6820K17CS
- 7722HK28
- 8422HK30
- GD4000PV5H
- GD4500PV5R
- 5GR Series
