Emerson MR105 Manuel d'instructions

Type MR105D103246X012December 2014Instruction ManualForm 5874www.fisherregulators.comType MR105 Direct-Operated Pressure Reducing Regulators!WARNINGFa

Type MR10510and damage, make certain the drain valve (if used) is properly closed after 1. Isolate the regulator from the syst

Type MR10511Table 6. Type MR105 Product Assembly TorquePART NAME AND KEY NUMBERTORQUENPS  Body SizeNPS  Body SizeNPS  Body

Type MR105121. Remove the lower indicator tting (key 5) and attached parts. Proceed to step 5 if only maintenance on the indicator tting or attache

Type MR10513Actuator MaintenancePerform this procedure if it is desired to inspect or replace the diaphragm or other internal parts or if it is desire

Type MR10514alignment. Do not loosen the bonnet thread to align the pipe holes. Always tighten the bonnet to make alignment for the control line.NoteP

Type MR10515!WARNINGPersonal injury, equipment damage or 

Type MR1051616. Place the lower spring seat (key 54) and Belleville spring washer (key 49) over the actuator stem (key 40) and on top of the diaphrag

Type MR10517!WARNINGUse only genuine Fisher® replacement parts. Components that are not supplied by Emerson™ should not, under any circumstances, be u

Type MR10518Key Description Part Number 9 Valve Spring, Inconel® X750 (NACE) NPS 1 / DN 25 10B1882X012 NPS 2 / DN 50 16A5499X012 NPS 3

Type MR10519Key Description Part Number 22 Flange Nut, Steel 14A5693X012 23 E-ring, Stainless Steel 14A8181X012 24 Drive Screw, Stainless St

Type MR1052The Specications section on this page provides the ratings and other specications for the Type MR105. The following informat

Type MR10520Key Description Part Number 52 Lower Spring Guide, Zinc-Plated Steel (NACE)(1) (Low-Pressure Actuator only) GE39171X012 53 Lowe

Type MR10521TYPE MR105 WITH LOW-PRESSURE ACTUATOR ASSEMBLYFigure 6. Type MR105 Direct-Operated Pressure Reducing Regulator Assemblies (continued)L1L16

Type MR1052254716463585657L1L1L1S515362L154716463585657L1L1L1S515362L1TYPE MR105 WITH HIGH-PRESSURE ACTUATOR ASSEMBLYFigure 6. Type MR105 Direct-Opera

Type MR10523Figure 6. Type MR105 Direct-Operated Pressure Reducing Regulator Assemblies (continued)DETAIL W36L1L172127L1L1NO TRAVEL INDICATOR1520216L1

Type MR105©Emerson Process Management Regulator Technologies, Inc., 2010, 2014; All Rights ReservedThe Emerson logo is a trademark and service mark of

Type MR1053Table 2. Outlet Pressure RangeActuator TypeSpring RangeSpring Part NumberSpring Color CodeSpring Wire D

Type MR1054Figure 2. Type MR105 with Low-Pressure Actuator Operational SchematicM1178CONTROL SPRINGACTUATORACTUATOR STEMCAGEVALVE SPRINGVALVE PLUGDIAP

Type MR1055Figure 3. Type MR105 with High-Pressure Actuator Operational SchematicM1181SPRING

Type MR1056NoteTo avoid premature wear of internal parts, it is recommended that the actuator be oriented up or down in liquid 

Type MR1057Table 5. Wide-Open Flow and IEC Sizing CoefcientLINEAR CAGEBody Size Line Size Equals Body S

Type MR1058!WARNINGPersonal injury, equipment damage or if the bonnet (key 61, Low-Pressure Actuator) or lower

Type MR10591. Check that proper installation is completed and downstream equipment has been properly adjusted.2. Make sure all block and vent valves