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Metso GW Series, Installation Maintenance And Operating Instructions

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Metso GW Series Installation Maintenance And Operating Instructions Download Page 13

4 GV 74 en

13

 

 

(UNIT: mm) 

Size

A2

Bd

C2

D

Ed

A3 Gh Bh 

Weight 

(kg) 

Br

Er 

#48

486

1053

361

NPT 1/4

205

335

420

847

112

1053

141

#55

566

1106

361

NPT 1/4

242

335

420

915

145

1106

141

1. "Br" & "Er" refers to reverse acting actuator, VDR 

2. "Bd" & "Ed" refers to direct acting actuator, VDD

Summary of Contents for GW Series

Page 1: ...Control Valves Globe 3 way Diverting Mixing type Series GW Installation Maintenance and Operating Instructions 4 GV 74 en 11 2013 ...

Page 2: ...pe of the manual 3 1 2 Valve construction 3 1 3 Valve markings 3 1 4 Technical specifications 4 1 5 Valve seat leakage class 4 1 6 Recycling and disposal 4 1 7 Safety precautions 4 2 TRANSPORTATION RECEPTION AND STORAGE 4 3 VALVE INSTALLATION 5 3 1 General 5 3 2 Installation into the pipeline 5 3 3 Control valve assembly 5 3 4 Valve insulation 5 4 MAINTENANCE 5 4 1 General 5 4 2 Gland packing adju...

Page 3: ...e to provide a series of reduced trim and the standard seat tightness is class II optional trims can meet to class III and IV ANSI FCI 70 2 The detailed structure is revealed by the type code shown on the valve identification plate The type code is explained in Section 11 1 3 Valve markings The body markings are manufacturer s trademark nominal size pressure rating and material of the body The val...

Page 4: ...arked on the valve may cause damage and lead to uncontrolled pressure release Dam age or personal injury may result CAUTION Do not dismantle the valve or remove it from the pipe line while the valve is pressurised Dismantling or removing a pressurised valve will result in uncontrolled pressure release Always isolate the relevant part of the pipeline release the pressure from the valve and remove t...

Page 5: ...fetime of the positioner Where necessary you can support the valve by the body using regular pipe clamps and supports Do not fasten sup ports to the valve or flange bolting or to the actuator see Fig 4 3 3 Control valve assembly Check all joints piping and cables Check that the actuator stop screws positioner and limit switches are calibrated Refer to their installation mainte nance and operating ...

Page 6: ... rings 7 7a from body 1 and bottom flange 26 using by fabricated wrenches to be engaged the seat ring lugs and adapted to shock wrench This is threaded type if the seat ring is extremely resistance to removal the application of heat or pen etrating oil will be helpful Remove the hexagon nuts 18 gland flange 9b and packing gland 9a from the bonnet 8 Remove the old packing rings 69 CAUTION Do not di...

Page 7: ... proper bolt torque 5 TESTING THE VALVE We recommend that the valve body is pressure tested after the valve has been assembled The pressure test should be carried out in accordance with an applicable standard for the pressure rating The valve must be in the open position during the test CAUTION Do not strongly tighten hexagon nuts 17 at this time CAUTION Do not reuse the spiral wound gaskets 65 th...

Page 8: ...al for Direct air to bottom seat close stem extend actuator Fig 10 Shut off and disconnect the air supply lines and accessories Loosen stem locknut and socket head screws 27 and hexagon nuts 28 Remove the clamp 26 Support actuator with the suitable lifting device Remove the yoke nut Remove the actuator from the valve body assembly D Actuator replacement mounting for Direct air to bottom seat close...

Page 9: ...hen ordering spare parts always include the following information type code sales order number serial number number of the parts list part number name of the part and quantity required This information can be found from the identification plate or documents NOTE Always use original spare parts to make sure that the valve functions as intended ...

Page 10: ...AT RING 8 BONNET 9a GLAND 9b GLAND FLANGE 11 YOKE NUT 13 STUD 14 STUD 17 HEXAGON NUT 18 HEXAGON NUT 21 LANTERN RING 22 PACKING SPRING 26 BOTTOM FLANGE 30 HEXAGON SCREW 30a WASHER 30b SPRING WASHER 65 BODY GASKET X 67 PACKING SPACER 69 V RING SET X 69 PACKING RING X 86 FLOW DIRECTION ARROW Delivered as a set Packing type of V Ring set ...

Page 11: ...3 50 2 254 267 286 197 197 197 184 295 110 150 165 165 19 1 19 1 19 1 120 7 127 127 4 8 8 57 62 73 3 298 318 337 238 238 251 235 330 115 190 210 210 19 1 22 2 22 2 152 4 168 3 168 3 4 8 8 100 104 113 4 352 368 394 270 270 282 238 380 140 230 255 275 19 1 22 2 25 4 190 5 200 215 9 8 8 8 136 141 156 6 451 473 508 330 330 356 321 430 150 280 320 355 22 2 22 2 28 6 241 3 269 9 292 1 8 12 12 238 249 32...

Page 12: ... 92 654 141 55 566 675 361 NPT 1 4 242 116 700 141 1 Br Er refers to reverse acting actuator VDR 2 Bd Ed refers to direct acting actuator VDD UNIT mm Size A2 Bd C2 D Ed Fd Weight kg Br Er Fr 25 255 473 210 NPT 1 4 134 141 13 440 113 105 29 295 576 231 NPT 1 4 144 183 25 529 113 157 37 375 660 269 NPT 1 4 161 186 46 614 114 158 1 Br Er refers to reverse acting actuator VDR 2 Bd Ed refers to direct ...

Page 13: ...Bd C2 D Ed A3 Gh Bh Weight kg Br Er 48 486 1053 361 NPT 1 4 205 335 420 847 112 1053 141 55 566 1106 361 NPT 1 4 242 335 420 915 145 1106 141 1 Br Er refers to reverse acting actuator VDR 2 Bd Ed refers to direct acting actuator VDD ...

Page 14: ...5 560 NPT 1 2 135 170 1010 440 120 145 785 Ø460 275 560 NPT 1 2 139 175 1030 480 150 145 845 Ø460 305 560 NPT 1 2 144 181 1090 540 160 145 865 Ø460 315 560 NPT 1 2 148 186 1110 560 170 145 885 Ø460 325 560 NPT 1 2 155 194 1130 580 180 145 905 Ø460 335 560 NPT 1 2 159 199 1150 600 Size 50 UNIT mm Stroke A B1 ØC D1 E F Weight kg B2 D2 A B 40 145 625 Ø560 195 560 NPT 1 2 150 188 920 320 50 145 645 Ø5...

Page 15: ...T 1 2 175 210 1330 440 120 145 1160 Ø460 275 850 620 NPT 1 2 179 215 1370 480 150 145 1190 Ø460 305 850 620 NPT 1 2 184 221 1430 540 160 145 1200 Ø460 315 850 620 NPT 1 2 188 226 1450 560 170 145 1210 Ø460 325 850 620 NPT 1 2 195 234 1470 580 180 145 1220 Ø460 335 850 620 NPT 1 2 199 239 1490 600 Size 50 UNIT mm Stroke A B1 ØC D1 E F G Weight kg B2 D2 A B 40 145 1080 Ø560 195 850 620 NPT 1 2 190 2...

Page 16: ...TERIAL J2 A216 gr WCB S6 A351 gr CF8M Optional Body Bonnet Material S4 A351 gr CF8 S9 A351 gr CF3 S1 A351 gr CF3M YY Special 7 BEARINGS TRUNNION THRUST BEARING X Not applicable Y Special 8 PLUG MATERIAL Material Description P1 410 SS Standard for carbon steel body T6 316 SS Standard for stainless steel body YY Special Special materials 9 PLUG APPLICATION X Not applicable A Cobalt based alloy Y Spe...

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