Honeywell - C437G

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Contents

Honeywell C437D E F G H J K and C637B Gas Pressure Switches PRODUCT DATA GENERAL The C437 and C637 Gas Pressure Switches are pressure actuated switching devices used in industrial gas system appiications for safety shutoff pressure control and differential pressure control FEATURES C437 models have direct and reverse acting spst switching C637B has single poie double throw spdt switching Pressure ranges 1 2 to 5 1 2 in of water 10 to 140 mm of water or 0 1 to 1 4 kPa 1 to 26 in of water 50 to 700 mm of water or 0 5 to 7 kPa 1 2 to 5 psi 300 to 3500 mm of water or 3 to 35 kPa 1 to 10 psi 500 to 7000 mm of water or 5 to 70 kPa Modeis intended for iockout appiications must be manualiy reset before resuming operat ...