Related Manuals for Metso Neles GB Series
Summary of Contents for Metso Neles GB Series
- Page 1 Control Valves Globe-Balanced Single Seated, Cage-Guide Series GB Installation, Maintenance and Operating Instructions...
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Page 2: Table Of Contents
These instructions provide information about safe handling and operation of the valve. If you require additional assistance, please contact the manufacturer or manufacturer's representative. Addresses and phone numbers are printed on the back cover. See also www.metso.com/valves for the latest documentation. SAVE THESE INSTRUCTIONS! Subject to change without notice. -
Page 3: General
Type designation (Valve code) used. Size, Rating If you are uncertain about use of the valve or its suitability for your intended purpose, please contact Metso for more Body material information. Plug, Stem material For valves in oxygen service, please see also the separate... -
Page 4: Recycling And Disposal
The valve may produce noise in the pipeline. The noise level depends on the application. It can be measured or CAUTION: calculated using the Metso Nelprof software. Observe the When handling the valve or the control valve assem- relevant working environment regulations in terms of bly, take its weight into account! noise emission. -
Page 5: Control Valve Assembly
4 GV 75 en 3.2.2 Installation valve MAINTENANCE The valve has an arrow indicating the flow direction. Install CAUTION: the valve in the pipeline so that the flow direction of the Observe the safety precautions listed in Section 1.7 valve corresponds to the flow direction marked on the pipe. before starting work! The mounting orientation of the valve should be vertical CAUTION:... -
Page 6: Replacing The Trim And Body Reassembly
4 GV 75 en Clean the packing ring counterbore. Table 2 Required torques for bonnet nuts Mount the new packing rings one by one into the Packing Stem Size Rating Required Torques packing gland box using the gland as a tool and Type (ANSI) Min. -
Page 7: Pilot Plug
4 GV 75 en Remove the old packing rings (69). Pilot Plug Disassembly & Assembly NOTE: If the valve have excess leakage, the plug and seating sur- Mount the plug and stem assembly on the chuck to face need lapping and cleaning. setting. - Page 8 4 GV 75 en Trim Design applications Quick change, standard cage trim Tendril Multi-hole trim Pilot balanced trim Fig. 10 Different trim designs...
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Page 9: Removal & Mounting The Actuator
Remove the actuator from the valve body assembly. for actuator with body assembly and plug stem adjustment . Several types of Metso actuators can be used with suitable clamps. Refer to the model VD spring-diaphragm and VC double acting cylinder actuator manuals for further informa- tion on their installation, maintenance and operation. -
Page 10: Tools
4 GV 75 en Calculate the gap (measured value – rated travel = D. Type ‘VC’ Springless Cylinder, Double Acting Actuator gap 1) This actuator is springless cylinder, double acting Move down the top stem so that the distance actuator, can use the 3/8”, 1/2”... -
Page 11: Exploded View And Parts List
4 GV 75 en EXPLODED VIEW AND PARTS LIST PILOT PLUG Item Description Recommended spare part BODY 2*PLUG SET 3*PLUG 5*STEM 6*PLUG PIN YOKE NUT SEAT RING BONNET GLAND GLAND FLANGE DISK SPRING ASS'Y STUD STUD CAGE CAGE GUIDE HEXAGON NUT HEXAGON NUT IDNTIFICATION PLATE RIVET... -
Page 12: Dimensions And Weights
4 GV 75 en DIMENSIONS AND WEIGHTS 10.1 Valve GB DRILLING Dia. Of Hole = F DRILLING Pitch Circle Dia. = G Dia. of Hole = F No of Hole. = H Pitch Circle Dia = G No of Hole = H neles SIZE-RATING MATERIAL... - Page 13 4 GV 75 en 900 # / 1500 # Dimension Weight (kg) (mm) (Approximate) Size 900# 1500# 900# 1500# COMMON 900# 1500# 900# 1500# 900# 1500# 900# 1500# 900# 1500# (mm) 28.6 28.6 123.8 123.8 25.4 25.4 165.1 165.1 25.4 31.8 190.5 203.2...
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Page 14: Actuators Vd, Vc
4 GV 75 en 10.2 Actuators VD, VC VDD/R E VDD/R D Side handwheel(25/29/37) Standard spring High spring Standard spring Dimension Without handwheel With handwheel (mm) Size Weight Weight Bd / Bhd Br / Bhr (kg) (kg) (mm) VD_25 E VD_25 D VD_29 E VD_29 D... - Page 15 4 GV 75 en Top side handwheel(VDD48/55) Top side handwheel(VDR48/55) Dimension Without handwheel With handwheel (mm) Weight Weight Size Bd / Bhd Br / Bhr (kg) (kg) (mm) VD_48 E 1102 1072 VD_48 D 1152 1122 VD_55 E 1145 1115 VD_55 D 1195 1165...
- Page 16 4 GV 75 en ØC ØC VC, with volume chamber VC, without volume chamber VC actuators without handwheel Stroke ØC ØC ØC Stroke ØC ØC ØC (mm) Weight (kg) Weight (kg) Weight (kg) (mm) Weight(kg) Weight(kg) Weight(kg) 1199 1203 1207 1259 1263 1267...
- Page 17 4 GV 75 en ØC ØC VC, with optional handwheel VC, with optional handwheel & volume chamber VC actuators with handwheel Stroke ØC ØC ØC Stroke ØC ØC ØC (mm) Weight (kg) Weight (kg) Weight (kg) (mm) Weight (kg) Weight (kg) Weight (kg) 1095 1095...
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Page 18: Type Code
4 GV 75 en TYPE CODE Globe Balanced, Cage Guided Type, Series GB 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. GB 03 VALVE CONSTRUCTIONS TRIM CONSTRUCTIONS VALVE SERIES PLUG MATERIAL Globe Balanced, Cage guided type Material Description CA15... - Page 19 8 (40) 16 (50) 25 (50) 52 (60) 80 (70) 110 (80) 190 (120) 270 (140) 295 (160) 3-Step reduction Special Special Special Contact Metso for Cv details - Rated Cv is different by the trim type and characteristic. - Srk means valve stroke in mm.
- Page 20 4 GV 75 en Metso Flow Control Inc. South Korea, 235 Cheomdansaneop 1-ro, Daesowon-myeon, Chungju-si, Chungbuk-do, 27466, Korea Tel. +82 43 852 7708, Fax +82 43 841 9890 Europe, Vanha Porvoontie 229, P.O. Box 304, FI-01301 Vantaa, Finland. Tel. +358 20 483 150. Fax +358 20 483 151 North America, 44 Bowditch Drive, P.O.
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