Replaces Thousands of OEM Relays

Non-Positional

Wide Range of Selectivity

Long Term Reliability and Easy Replacement

Designed primarily for use on liquid receiver applications above the liquid refrigerant level (it is recommended that the factory be consulted before the valves are used on other applications)

Satisfy ASHRAE Standard 15 code requirements for a refrigerant vessel safety device (Application information can also be found in ASHRAE Guide and Data Book)

Comply with ASME code for unfired pressure vessels

Discharge rates are certified by National Board of Boiler and Pressure Vessel Inspectors

Designed for maximum discharge capacities

Forged brass body with full size openings for maximum flow and minimum pressure drop

Diaphragms for positive isolation

Thermally stable hand wheel for operation in wide temperature ranges

Highest sensitivity moisture indicator

Hermetic, leak-free construction

Single indicator for all common refrigerants

Accurate color calibration at low ppm levels and higher temperatures

Wide angle viewing/high visibility window for ease of monitoring

All brass corrosion resistant body for fewer leaks

Solid copper connections

Hermetic, leak-free construction

Single indicator for all common refrigerants

Accurate color calibration at low ppm levels and higher temperatures

Wide angle viewing/high visibility window for ease of monitoring

All brass corrosion resistant body for fewer leaks

Solid copper connections

Hermetic, leak-free construction

Single indicator for all common refrigerants

Accurate color calibration at low ppm levels and higher temperatures

Wide angle viewing/high visibility window for ease of monitoring

All brass corrosion resistant body for fewer leaks

Solid copper connections

Hermetic, leak-free construction

Single indicator for all common refrigerants

Accurate color calibration at low ppm levels and higher temperatures

Wide angle viewing/high visibility window for ease of monitoring

All brass corrosion resistant body for fewer leaks

Solid copper connections

Hermetic, leak-free construction

Single indicator for all common refrigerants

Accurate color calibration at low ppm levels and higher temperatures

Wide angle viewing/high visibility window for ease of monitoring

All brass corrosion resistant body for fewer leaks

Solid copper connections