Metso GM Series Installation Maintenance And Operating Instructions
  1. Manuals
  2. Brands
  3. Metso Manuals
  4. Control Unit
  5. GM Series
  6. Installation maintenance and operating instructions

Metso GM Series Installation Maintenance And Operating Instructions

Globe-omega, multistage trim
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Control Valves
Globe-Omega, Multistage trim
Series GM
Installation, Maintenance and
Operating Instructions

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the GM Series and is the answer not in the manual?

Questions and answers

Related Manuals for Metso GM Series

Summary of Contents for Metso GM Series

  • Page 1 Control Valves Globe-Omega, Multistage trim Series GM Installation, Maintenance and Operating Instructions...

  • Page 2: Table Of Contents

    4 GV 70 en Table of Contents GENERAL...............3 Scope of the manual ..........3 Valve construction ..........3 Valve markings ............3 Technical specifications ........3 Valve seat leakage class ........3 Recycling and disposal ........3 Safety precautions ..........4 TRANSPORTATION, RECEPTION AND STORAGE...............4 VALVE INSTALLATION .........4 General ..............4 Installation into the pipeline ......4 Hydrostatic testing and Line flushing....5...

  • 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: Safety Precautions

    It can be measured or 1) up to 10"- 300# body with VD (Diaphragm type) calculated using the Metso Nelprof software. Observe the actuators 2) up to 12"- 300# body with VC (Cylinder type) relevant working environment regulations in terms of actuators In the above two cases the lifting is limited to noise emission.

  • Page 5: Hydrostatic Testing And Line Flushing

    If you send the valve to the manufacturer for repair, do not Flushing and hydrostatic test kit can be purchased from dismantle it. Clean the valve carefully, including the inside. Metso. For safety reasons, inform the manufacturer of the nature CAUTION: of the medium when you send the valve.

  • Page 6: Replacing The Gland Packing

    4 GV 70 en Replacing the gland packing Table 1 Required torques for bonnet nuts Required Torques CAUTION: Valve Size Bonnet Stud Bolts (± 5 % allowable) Rating Do not dismantle the valve or remove it from the Carbon Steel St.

  • Page 7: Pilot Plug

    4 GV 70 en Fig. 7 Conventional Omega-Balanced Trim Fig. 8 Pilot Omega-Balanced Trim □ Insert the hexagon nuts (17) into stud (13) and CAUTION: slightly fasten the nuts. When opening the pilot plug bolts (75), first loosen them CAUTION: all before completely removing the first bolt.

  • Page 8: Testing The Valve

    . according to rated travel (stroke) as ‘open’ and ‘close’ Several types of Metso actuators can be used with suitable position as per pressurizing and depressurizing the clamps. Refer to the model VD spring-diaphragm and VC lower diaphragm chamber.

  • Page 9: Tools

    4 GV 70 en Reverse Action actuator Direct Action actuator (Air to Close, stem extend) (Air to Open, stem retract) VD Actuator Part 1. YOKE 10. LOWER CASE 18 TOP STEM 20. UPPER CASE 21. LIFTING EYE NUT 22. WASHER 23.

  • Page 10: Exploded View And Parts List

    4 GV 70 en EXPLODED VIEW AND PARTS LIST Live Load Application Pilot Plug Application Item Description Recommended spare part BODY PLUG SET 3* PLUG 5* STEM 6* PLUG PIN YOKE NUT SEAT RING BONNET GLAND GLAND FLANGE DISK SPRING ASS'Y STUD STUD CAGE GUIDE...

  • Page 11: Dimensions And Weights

    4 GV 70 en DIMENSIONS AND WEIGHTS 10.1 Valve GM 150 # / 300 # / 600 # (UNIT: mm) Dimension Weight (kg) Size 150# 300# 600# 150# 300# 600# STD EXT COMMON 150# 300# 600# 150# 300# 600# 150# 300# 600# 150# 300# 600# 150# 300# 600# 1"...

  • Page 12: Actuators Vd, Vc

    4 GV 70 en 10.2 Actuators VD, VC VDD Direct Action VDR Reverse Action (UNIT: mm) Without handwheel Size Weight (kg) NPT 1/4 NPT 1/4 NPT 1/4 NPT 1/4 NPT 1/4 NOTE 1. "Br" refers to reverse acting actuator, VDR 2.
  • Page 13 4 GV 70 en Size # 30 (UNIT: mm) Size # 40 Size # 50 (UNIT: mm) (UNIT: mm) Weight (kg) Weight (kg) Weight (kg) Stroke ØC Stroke ØC Stroke ØC Ø370 410 PT 1/2 92 Ø460 560 PT 1/2 120 Ø560 560 PT 1/2 186 Ø370...
  • Page 14 4 GV 70 en Size # 30 Size # 40 Size # 50 (UNIT: mm) (UNIT: mm) (UNIT: mm) Weight Weight Weight ( kg) (kg) (kg) Stroke A ØC Stroke A ØC Stroke A ØC 1095 1095 Ø370 705 470 PT 1/2 134 157 Ø460 845 616 PT 1/2 180 208 Ø560...

  • Page 15: Type Code

    4 GV 70 en TYPE CODE Globe single seated, OMEGA trim type, Series GM 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. GM 02 VALVE SERIES SEAT TYPE Globe Omega trim, Multi-stage type Single metal seat Special BODY SIZE "...
  • Page 16 NOTE 1. Rated Cvs are applied differently depending on the trim type & trim characreistics. 2. The larger Cvs and sizes are available, please contact Metso. 3. (Srk) means the valve stroke in mm. 4. The other Cvs and trim types : please contact Metso.

Table of Contents