The Mark 660 is a highly accurate, air loaded pressure regulator that provides regulation from a local station or from a remote station.
The operation of the Mark 660 requires no control spring or pilot. A static air signal is applied to the top of the diaphragm to determine the setpoint. The Mark 660 has a rangeability of approximately 40:1.
Features- Highly accurate ir loaded pressure regulator.
- No control spring or pilot required.
- Setpoint is adjusted by controlling the air pressure supplied to the top of the diaphragm.
- Remote operation / frequently changed setpoints.