Metso M12 Operating and maintenance manual

6 MG 71 en • 10/2018

MANUAL VALVE GEAR

M Series

Installation, Maintenance and

Operating Instructions

26 MG 71 en

READ THESE INSTRUCTIONS FIRST!

These instructions provide information about safe handling and operation of the manual valve gear.

If you require additional assistance, please contact the manufacturer or manufacturer's representative.

Addresses and phone numbers are printed on the back cover.

SAVE THESE INSTRUCTIONS!

Subject to change without notice.

All trademarks are property of their respective owners.

Table of Contents

1 GENERAL ..............................................................3

1.1 Preface ......................................................................3

1.2 Technical data ........................................................3

1.3 Handling and safety precautions ....................3

1.4 ATEX ..........................................................................3

2 INSTALLATION .....................................................3

2.1 Mounting to the valve ........................................3

2.2 Adjustment of the setscrews ............................4

3 OPERATING INSTRUCTIONS ...............................5

4 MAINTENANCE ....................................................5

5 ASSEMBLY DRAWING AND PARTS LIST .............6

6 DIMENSIONS........................................................ 7

7 TYPE CODE ...........................................................8

6 MG 71 en 3

1 GENERAL

1.1 Preface

The gearbox of the M-series is a quarter turn gearbox

intended to be used for the manual operation of valves (e.g.

butterfly valves) in pipelines.

NB. This manual is valid only for the standard M-series

gearboxes of Metso. For special versions, specifications and

model can differ.

Metso is not responsible for any damage caused by incor-

rect use of the gearbox.

1.2 Technical data

Specifications

The maximum allowable input and output torque are listed

in the Table 1.

This gearbox is applicable to valve shafts with keyway only.

For more specified information, you can contact our sales

departement.

1.3 Handling and safety precautions

Be sure to read and understand this manual before installa-

tion and use of our gearboxes.

Storage

The gearboxes need to be stored in a safe way to avoid acci-

dents. Also avoid storage in areas subjected to high tem-

perature extremes and /or areas subjected to large

amounts of humidity and dust.

Handling

Never drop the gearbox or otherwise subject it to strong

impact.

Correct use

Prior to installation, be sure the gearbox will NOT be over-

loaded during normal use. For this, convince yourself the

valve size and needed openeing torque do not exceed the

values given for the gearbox. For the maximum allowable

torque on the gearbox, see Table 1.

Installation and operating

Not observing the rules as stated in this manual, can lead to

damage and / or personal injuries. The qualified personel

must be fully aware of the instructions as descibed in this

manual.

Only when the instructions are observed, correct operation

of the gearboxes can be guaranteed.

Disposal

Never refuse a gearbox at a general disposal unit. The gear-

box has to be offered to a disposal depot for recycling. The

iron parts can be used for recycling. The seals are of nitrile

and can be used for plastic recycling.

The grease may not be discharged to sewer- or surface

water. It has to be disposed according to local regulations

for incineration.

1.4 ATEX

Your gearbox can be supplied with a label with following

markings:

This means that the gearbox meets the ATEX-directive 94/

9/EG

This product is fabricated conform the procedure related to

internal control of production with regards to the safety

aspects.

This product meets the requirements for explosion preven-

tion

In a potential explosive surrounding, other than in mines,

With a high level of safety, based on normal operation and

anticipated risks

Suitable for a possible explosive atmosphere caused by

gases, vapours, mists of air/dust mixtures

Safety obtained by constructive solutions.

2 INSTALLATION

2.1 Mounting to the valve

Following description applies to standard type gearboxes.

1. The gearbox is standard delivered in the closed position.

2. It is recommended to mount a handwheel on the input

shaft before assembling the gearbox to the valve,

Figure 1.

3. Check if the boltcircle of the flanges (of gearbox and

valve) coincide. Also check if the valve stem and the

bore of the gearbox match.

4. Make sure the valve is in the closed position. If not, close

the valve before continuing.

5. Check if the gearbox is in fully closed position by tur-

ning the handwheel clockwise.

Table 1 Connection data of the gearbox

Gearbox

type

Connection Valve Max. Torque [Nm]

ISO 5211/1 Input Output

M07 F05-F07-F10 29 330

M10 F05-F07-F10 43 500

M12 F10-F12 83 1000

M14 F10-F12-F14-F16 152 2000

M15 F10-F12-F14-F16 171 3250

M16 F16-F25 136 4500

M25 F16-F25 305 8400

46 MG 71 en

6. In case of use of studbolts for fixing the gearbox to the

valve, it is recommended to screw them into the bot-

tomflange of the gearbox before mounting the gearbox

on top of the valve.

7. Coat the valve stem and outer surface of the bushing (2)

and actuator bore with a suitable grease to aid fitting. The

plate (21) should be installed, when the bushing (2) is used,

between the valve flange mounting face. This plate locks

up the insert.

8. Mount the gearbox perpendicular to the valve (see

Figure 2).

9. Fix the gearbox to the valve with nut and ring. In case of

use of bolts, for the maximum screwdepth, see Table 2.

For tightening, refer to standard VDI 2230.

10. The assembly is now ready for adjustment (see Chapter

2.2).

2.2 Adjustment of the setscrews

The gearbox is mounted on top of valve (see installation).

1. Close the valve totally, by turning the handwheel clock-

wise.

2. The valve position is indicated by the arrow on the posi-

tion indicator.

3. Remove the plastic caps from the setscrews.

4. When the fully closed position can not be achieved, loosen

the setscrew-close (see Figure 3) by turning them coun-

terclockwise. Continue turning the handwheel until the

valve is totally closed. Please note, that the butterfly valves

need to be closed using a given torque, see the tables in a

relevant valve manual.

5. Screw the set-screw back into the gearbox (by turning

clockwise) until blocked. Secure the setscrew– close

with the nut.

6. Open the valve by turning the handwheel counterclock-

wise.

7. When it can not be achieved to open the valve totally

(90°), loosen the setscrew-open (see Figure 3) by turning

it counterclockwise. Continue turning the handwheel

until the valve is totally opened.

8. Screw the set-screw back into the gearbox (by turning

clockwise) until blocked. Secure the setscrew– open

with the nut.

9. Close the valve with the handwheel

Fig. 1 Mounting handwheel

Table 2 Max. screw depths

Mounting F05 F07 F10 F12 F14 F16 F25

Max. screw depth 8 11 13 16 18 18 18

Fig. 2 Gearbox perpendicular to the valve

1347 8

Part 2 depends on model and

part 21 must be mounted only

together with part 2.

Note:

Lubrication around Cortec VCI-369 or suitable grease

Depends on constructionDepends on construction

A - A

M-SERIES WITH INSERT

M-SERIES WITHOUT INSERT

(PART NO. 2)

6 MG 71 en 5

10. Put the plastic caps back on the setscrews.

11. Adjustment completed.

3 OPERATING INSTRUCTIONS

The series M gears are manually operated quarterturn gear-

boxes made of cast iron.

The maximum allowable input- and output torques are

mentioned in Chapter 1.2.

1. The gearbox is manually operated by handwheel.

2. For opening the valve, the handwheel is turned coun-

terclockwise. Closing is clockwise.

3. Stop turning when the required valveposition is achie-

ved. The number of turns needed from totally open to

totally close the valve is in Table 3.

4. The valveposition is indicated by the position indicator

on top of the gearbox.

5. When the valve can not be totally opened (or closed),

first detect and solve the cause of malfunction.

6. In case of malfunction of the gearbox, this one has to be

replaced (see chapter installation for dismounting).

Return the gearbox to your supplier for repair.

7. When you do the repair in house, all replacement parts

must be obtained from the manufacturer to assure pro-

per operation of the gearbox.

8. The gearbox is self-braking. Therefore no fixation needs

to be installed to retain the valve position.

9. When the fault is repaired, turn the handwheel until blo-

cked.

10. The system is ready for use.

4 MAINTENANCE

Under normal conditions, the gearbox is maintenance free.

The series M gearboxes can be used at ambient tempera-

tures from –20 to +120 °C.

The standard gearbox reaches IP67 (dust- and waterspray

proof). Cleaning can be done with a waterhose, not a high

pressure waterjet.

Fig. 3 Gearbox setscrew adjustment

Table 3 No. of turns for totally open/closed

Manual gear Turns

M07 9,25

M10 9,25

M12 8,5

M14 9,5

M15 13,75

M16 27

M25 19,5

Fig. 4 Gearbox, series M

66 MG 71 en

5 ASSEMBLY DRAWING AND PARTS LIST

Item Qty. Description

1 2 Set-screw

2 1 Worm

3 1 Gasket

4 1 Needle-Bearing

5 1 Bushing

6 1 Oil-seal

7 1 Shaft

8 Grease

9 1 Position indicator

10 1 Coverplate

11 1 Quadrant

12 1 Body

13 1 Handwheel

14 1 Spring type straight pin

15 4 Hexagon head screw

16 2 Head cap screw

24567

6 MG 71 en 7

6 DIMENSIONS

Unit

size

Bore size Valve mounting

flange

ISO 5211

Dimensions, mm S N,

no. of

holes

dia

depth

Hand

wheel

dia

ØZ/

type

Weight

kg / lbs

G1,

with

std

input

shaft

F1,

with

std

input

shaft

AB VY KRMax.

stem

height

Ød,

max

valve

shaft

dia

M07 insert 15 F05+F07+F10 185 241 102 124 52 44 64 28,6 45 15 50, 70, 102 4,4,4 M6, M8,

M10

8, 11, 13 160/SR6 3.8

7.7

M07 straight

20 or 25

F05+F07+F10 185 241 102 124 52 44 64 28,6 54,5 25 50, 70, 102 4,4,4 M6, M8,

M10

8, 11, 13

M10 straight

20 or 25

F05+F07+F10 187 243 102 124 52 44 64 28,6 54,5 25 50, 70, 102 4,4,4 M6, M8,

M10

8, 11, 13 200/SR8 4.3 /

7.7

M12 insert

25 or 30

F10+F12 235 304 138 174 71 69 88 40,5 79 30 102, 125 4,4 M10, M12 13, 16 315/ SR12 10.0

18.7

M12 straight 35 F10+F12 235 304 138 174 71 69 88 40,5 79 35 102, 125 4,4 M10, M12 13, 16

M14 insert

35 or 40

F12+F16 305 405 200 226 86 100 93 42 82 40 125, 165 4,4 M12, M20 16, 18 400/R16 18.2

30.9

M14 straight 45 F12+F16 305 405 200 226 86 100 93 42 82 45 125, 165 4,4 M12, M20 16, 18

M14 insert

35 or 40

F10+F14 305 405 200 226 86 100 93 42 82 40 102, 140 4,4 M10, M16 13, 16

M14 straight 45 F10+F14 305 405 200 226 86 100 93 42 82 45 102, 140 4,4 M10, M16 13, 16

M15 straight

35, 40, 45,

50 or 55

F10+F14 346 456 220 258 105 110 102 48 91 55 102, 140 4,4 M10, M16 13, 18 500/R20 26.2

48.5

M15 straight

35, 40, 45,

50 or 55

F12+F16 346 456 220 258 105 110 102 48 91 55 125, 165 4,4 M12, M20 16, 18

M16 insert

45, 55

F16+F25 348 491 285 300 53 142 120 56 111 55 165, 254 4, 8 M20, M16 18, 18 600/R24 31.8

71.1

M16 straight

65 or 70

F16+F25 348 491 285 300 53 142 120 56 111 70 165, 254 4, 8 M20, M16 18, 18

M25 straight

70, 75 or 85

F16+F25 412 597 370 402 182 170 160 59 121 85 165, 254 4, 8 M20, M16 18, 18 600/R24 60.8

123.5

BORE

BC OFF CENTER

ØZ

N = number of holes S

Metso Flow Control Inc.

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. Box 8044, Shrewsbury, M A 01545, USA. Tel. +1 508 852 0200. Fax +1 508 852 8172

South America, Av. Independéncia, 2500-Iporanga, 18087-101, Sorocaba-São Paulo, Brazil. Tel. +55 15 2102 9700. Fax +55 15 2102 9748

Asia Pacic, 238B Thomson Road, #17-01 Novena Square Tower B, Singapore 307685. Tel. +65 6511 1011. Fax +65 6250 0830

China, 11/F, China Youth Plaza, No.19 North Rd of East 3rd Ring Rd, Chaoyang District, Beijing 100020, China. Tel. +86 10 6566 6600. Fax +86 10 6566 2583

Middle East, Roundabout 8, Unit AB-07, P.O. Box 17175, Jebel Ali Freezone, Dubai, United Arab Emirates. Tel. +971 4 883 6974. Fax +971 4 883 6836

www.metso.com/valves

86 MG 71 en

7TYPECODE

*) D11= square EN ISO 5211 Diagonal

D14= square EN ISO 5211 Diagonal

**) Ensure the selection of the handwheel from technical bulletin

6MG21 (new)

Manual gear operator, series M

1. 2. 3. 4. 5.

M 10/25 F10 SR8 -

1. PRODUCT GROUP

Manual gear operator with attachment

dimensions acc. to ISO 5211, VDI/VDE 3845

mounting surface.

2. SIZE

E.g. 10/25 = actuator size / shaft bore diameter

07/15, 07/20, 07/25, 07/D11*, 07/D14*

10/20, 10/25

12/25, 12/30, 12/35

14/35, 14/40, 14/45

15/35, 15/40, 15/45, 15/50, 15/55

16/45, 16/50, 16/55, 16/65, 16/70

25/70, 25/75, 25/85

3. VALVE MOUNTING FLANGE, ISO 5211 TYPE

F05, F07, F10 For M07/15, M07/20, M07/25

F10 For M10/20, M10/25

F12 For M12/25, M12/30, M12/35

F14 For M14/35, M14/40, M14/45

F12, F16 For M14/35, M14/40, M14/45

F14 For M15/35, M15/40, , M15/45, M15/50, M15/55

F16 For M15/35, M15/40, M15/45, M15/50, M15/55

F16, F25 M16/45, M16/55, M16/65, M16/70

F16, F25 For M25/75, M25/85

4. OPERATION**)

SR6 Handwheel for M07

SR8 Handwheel for M10

SR12 Handwheel for M12

R16 Handwheel for M14

R20 Handwheel for M15

R24 Handwheel for M16

R24 Handwheel for M25

5. SPECIAL CONSTRUCTION

Standard without sign. ISO 5211 mounting face.

Temperature range -20 to +120 °C / -4 to +250 °F.

Two mechanical stop screws.

Extended shaft for handwheel. Extension length has

to be specified. Over +0.3 m extensions have to be

supported by custromers own solution.

Obsolete

VDI/VDE 3845 mounting surface for accessories.

PPadlock flange for handwheel

CChain wheel

CT Low temperature version down to -55 °C / -65 °F

HT High temperature grease up to +160 °C / +320 °F

OX Oxygen grease, temperature range -20 to +80 °C

YSpecial construction

This manual suits for next models

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