Low Gas Pressure Switch
Flynn Part Number: 170612 (24Vdc, 120Vac available, please call sales (704) 660-1500)
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Description
Dungs Low Gas Pressure Safety Switch, 2…20inWC. Designed to de energize the main gas safety valves in the event of unusual low pressure. Normally set to 20% below incoming gas pressure but can be set higher or lower depending on how the system was designed.
Setpoint
Typical 20% below incoming gas pressure
Function
8.9* Fuel Press Switches (Gas or Oil)
8.9.1 A low fuel pressure switch or sensor shall be provided and shall be interlocked into the burner management system
8.9.2 A high fuel pressure switch or sensor shall be provided and shall me the following criteria:
(1) It shall be interlocked into the burner management system
(2) It shall be located downstream of the final pressure-reducing regulator
8.9.3 Pressure switch or sensor settings shall be made in accordance with the operating limits of the burner system
Information and data sheets
Location
Situated on main gas train.
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