168, 168H, and 68 SeriesD100275X012Instruction ManualForm 2256December 2008www.emersonprocess.com/regulators168, 168H, and 68 Series Three-Way Switch
168, 168H, and 68 Series2SpecicationsMaximum Allowable Pressures Diaphragm168 Series: 100 psi (6,90 bar)168H Series: 150 psi (10,3 bar)Body: See Tabl
168, 168H, and 68 Series3168 and 168H Series AdjustmentDetermine the desired upper and lower switching pressures (the high and low values of diaphragm
168, 168H, and 68 Series4Maintenance!WARNINGTo avoid personal injury or property damage from sudden pressure release or uncontrolled process uid, iso
168, 168H, and 68 Series5Parts OrderingWhen corresponding with the local Sales Ofce about this equipment, state the type number and all other pertine
168, 168H, and 68 Series6RESET LEVERTRIP LEVERSECTION D-D43A8117-BB1199-1DETAIL OF MANUAL RESET SWITCH FOR USE WITH EITHER 168 OR 168H SERIESDU8774-D1
168, 168H, and 68 Series7TRIP LEVER DETAIL OF TYPE 68-2 BODYFOR MANUAL OPERATIONABCCU8794-FCOMPLETE TYPE 68-1 OR 68-3 BODYFigure 4. 68 Series Switchi
168, 168H, and 68 SeriesThe Emerson logo is a trademark and service mark of Emerson Electric Co. All other marks are the property of their prospective
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