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// CODE SNIPPET

606.10.1 Automatic Crossover Valves

2010 Fire Code of NY > 6 Building Services and Systems > 606 Mechanical Refrigeration > 606.10 Emergency Pressure Control System > 606.10.1 Automatic Crossover Valves
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Each high- and intermediate-pressure zone in a refrigeration system shall be provided with a single automatic valve providing a crossover connection to a lower pressure zone. Automatic crossover valves shall comply with Sections 606.10.1.1 through 606.10.1.3.

606.10.1.1 Overpressure Limit Setpoint

Automatic crossover valves shall be arranged to automatically relieve excess system pressure to a lower pressure zone if the pressure in a high- or intermediate-pressure zone rises to within 15 psi (103.4 kPa) of the set point for emergency pressure-relief devices.

606.10.1.2 Manual Operation

When required by the code enforcement official, automatic crossover valves shall be capable of manual operation.

606.10.1.3 System Design Pressure

Refrigeration system zones that are connected to a higher pressure zone by an automatic crossover valve shall be designed to safely contain the maximum pressure that can be achieved by interconnection of the two zones.

Related Code Sections


605.10.1 Building Services and Systems, Automatic Crossover Valves
Each high- and intermediate-pressure zone in a refrigeration system shall be provided with a single automatic valve providing a crossover connection ...
2020 Fire Code of NYS > 6 Building Services and Systems > 605 Mechanical Refrigeration > 605.10 Emergency Pressure Control System > 605.10.1 Automatic Crossover Valves
606.10.1 Building Services and Systems, Automatic Crossover Valves
Each high- and intermediate-pressure zone in a refrigeration system shall be provided with a single automatic valve providing a crossover connection ...
2010 Fire Code of NY > 6 Building Services and Systems > 606 Mechanical Refrigeration > 606.10 Emergency Pressure Control System > 606.10.1 Automatic Crossover Valves
606.10.1 Building Services and Systems, Automatic Crossover Valves
Each high- and intermediate-pressure zone in a refrigeration system shall be provided with a single automatic valve providing a crossover connection ...
Fire Code 2015 of New York State > 6 Building Services and Systems > 606 Mechanical Refrigeration > 606.10 Emergency Pressure Control System > 606.10.1 Automatic Crossover Valves
606.10 Building Services and Systems, Emergency Pressure Control System
providing a crossover connection to a lower pressure zone. Automatic crossover valves shall comply with Sections 606.10.1.1 through 606.10.1.3 ...
2010 Fire Code of NY > 6 Building Services and Systems > 606 Mechanical Refrigeration > 606.10 Emergency Pressure Control System
605.10.1.2 Building Services and Systems, Manual Operation
Where required by the fire code official , automatic crossover valves shall be capable of manual operation ...
2020 Fire Code of NYS > 6 Building Services and Systems > 605 Mechanical Refrigeration > 605.10 Emergency Pressure Control System > 605.10.1 Automatic Crossover Valves > 605.10.1.2 Manual Operation
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