Product Bulletins Bulletin List The following bulletins contain detailed product specifications. Please note these files use Acrobat Reader. Product Switches Description Bulletin One Series (Div 1 & Div 2) Electronic Pressure Switch and Temperature Switch 6 Series Pressure switch with metal bellows sensor 12 Series Compact Stainless Steel Pressure, Differential Pressure & Temperature Switch J21K Series DP Pressure Switch 100 Series Skelton Pressure and Vacuum 117 Series Div.2 Hermatically Sealed Press/DP/Temp. Switch 120 Series Pressure, Vacuum, Differential Pressure & Temperature Switch 400 Series Pressure, Vacuum, Differential Pressure & Temperature Switch 800 Series Indicating Temperature Control