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Spring Diaphragm Actuator

Series VD

Installation, Maintenance and
Operating Instructions

6 D

A

 70
 en • 2/2

0

1

8

Summary of Contents for VD Series

Page 1: ...Spring Diaphragm Actuator Series VD Installation Maintenance and Operating Instructions 6 DA 70 en 2 2018 ...

Page 2: ...l 5 1 6 Safety precautions 5 2 TRANSPORTATION RECEPTION AND STORAGE 5 3 MOUNTING AND REMOVAL 5 3 1 Actuator air supply 5 3 2 Mounting the actuator on the valve 5 3 3 Removing the actuator from the valve 6 4 MAINTENANCE 7 4 1 General 7 4 2 Replacement diaphragm for VDD Air to close 7 4 3 Replacement diaphragm for VDR Air to open 8 4 4 Operation the handwheel 8 4 5 Removal mounting of the handwheel ...

Page 3: ...nd travel 5 Max supply pressure Also provided with an warning plate see Fig 3 1 4 Specifications Table 1 VD Actuators temperature ranges Note 1 Temperature Ambient temperature 2 Type code reference Please see in page 17 materials 3 Other low temperature ranges Please contact Metso Table 2 VD Actuators air supply connections NOTE Selection and use of the actuator in a specific application requires ...

Page 4: ... 55 VD_37 0 8 2 6 11 37 3 5 44 50 2 0 0 8 2 6 11 37 3 5 44 50 2 0 1 5 3 4 21 48 3 9 55 1 5 3 4 21 48 3 9 55 VD_48 0 8 2 6 11 37 3 5 44 70 2 8 0 8 2 6 11 37 3 5 44 70 2 8 1 5 3 4 21 48 3 9 55 1 5 3 4 21 48 3 9 55 VD_55 0 8 2 6 11 37 3 5 44 80 3 2 0 8 2 6 11 37 3 5 44 80 3 2 1 5 3 4 21 48 3 9 55 1 5 3 4 21 48 3 9 55 Act r Series Stroke length Controller Series Stroking time Sec Act r Series Stroke l...

Page 5: ...Refer to the selected valve model manuals for fur ther information on their installation maintenance and operation CAUTION Don t exceed the permitted values Exceeding the permitted pressure value marked on the actuator may cause damage and lead to uncontrolled pressure release in the worst case Damage to the equip ment and personal injury may result CAUTION Don t dismantle a pressurized actuator D...

Page 6: ...agm chamber see 4 8 for stem adjustment Tighten the 4 socket head screws 27 with hexagon nuts 28 and the plug stem locknut The installation position can be selected freely but Metso recommends installation with the upright The actuator is thus best protected against damage due to supply air impurities or water When necessary lubricate the actuator stem and guide with Cortec VCI 369 or an equivalen...

Page 7: ... 25 Remove the the long hexagon screws 24 tension bolts and the hexagon nuts 25 in cross steps to relies spring tension gradually Remove the upper case 20 Loosen the stem nut 33 and remove the lock washer 33a and the stem rod plate 16 with O ring 17 Remove the diaphragm 6 and the diaphragm plate 13 with the stopper 15 from the top stem 18 Remove the spring seats 11 and springs 12 Replace the U pac...

Page 8: ...ing seats 11 and springs 12 Mount the upper case 20 Tighten the long hexagon screws 24 tension bolts the hexagon nuts 25 in equal steps until the cases meet Replace the remaining short hexagon screws and nuts 4 4 Operation the handwheel See Fig 6 and 7 Check the current valve position should be AUTO position see the stroke indicator which is open or close Turn over the locking device to release th...

Page 9: ...ISI 304 050 HANDLE INDICATOR ALUMINIUM 050A ROUND HEAD SCREW AISI 304 053 LEVER ARM ASTM A747 gr CB7Cu 1 054 BEARING FLANGE AISI 304 054A BEARING FLANGE SCREW ISO 3506 A2 70 055 SHAFT FLANGE JIS G4051 S45C 055A SHAFT FLANGE SCREW AISI 304 056 LEVER ARM SHAFT AISI 304 056A SNAP RING AISI 304 057 THRUST BALL BEARING JIS G3101 SS400 058 SNAP RING AISI304 059 DU DRY BEARING AISI 304 PTFE Pb 083 HANDLE...

Page 10: ...49 50 51 52 30 30A 31A 33 40B 40A 40E 40D 40J 40K 40L 42 40S 40T 40U 41A 41B 41C 41R 48A 48B 48C 49A 49B 50B 51A 4 3 5 7 9 8 24 25 40R 43 48 50 51 30 30A 31A 40J 40K 40L 42 40S 40T 40U 41A 41B 41C 41R 48A 48B 48C 49A 49B 50B 51A 1 32A 32 2 10 20 21 22 23 40 18 49 33 33A 17 40B 40A 40D 40E 16 6 13 11 12 14 15 44 VDD Top side handwheel VDR Top side handwheel ...

Page 11: ...04 040U SPRING WASHER AISI304 041A 0 RING NITRILE NBR 0418 0 RING NITRILE NBR 041C U PACKING NITRILE NBR 041R HAND WHEEL GUIDE BUSH BRASS 042 SCREW GUIDE PLATE JIS G3101 SS400 043 HAND WHEEL SCREW AISI304 044 HAND WHEEL STEM JIS G3101 SS400 Zn 048 GEAR BOX DUCTILE IRON 048A GEAR BOX CAP PMMA 0488 STICKER 048C 0 RING NITRILE NBR 049 LOCKING HAND WHEEL JIS G3101 SS400 049A HEXAGON SCREW ISO 3506 A2 ...

Page 12: ...own CAUTION Keep your fingers tools or other items out of the housing while operating the actuator with the cover open PN Description Screw Size Q ty VD Required Torques for Each Size 25 29 37 48 55 N m Lbf ft N m Lbf ft N m Lbf ft N m Lbf ft N m Lbf ft 8 Hexagon Screw for 10 Lower Case M12 x 1 75P 4 34 25 34 25 34 25 M16 x 2 0P 6 65 48 65 48 21 Lifting Eye Nut for 10 20 Cases M8 x 1 25P 2 26 19 2...

Page 13: ...he spring seats 11 Replace the springs 12 according to required speci fication Replace the long hexagon screws 24 tension bolts and the hexagon nuts 25 Reassembling follow reversed procedures from the last step through first step 4 7 Change of the actuator action 4 7 1 Change of the actuator action VDD Air to close VDR Air to open See Fig 5 and Exploded view We recommend that all seals be replaced...

Page 14: ... tension bolts and the hexagon nuts 25 in cross steps to release spring tension gradually Remove the upper case 20 Remove the spring seats 11 and springs 12 Loose the stem nut 33 and remove the lock washer 33a Remove the stopper 15 and the diaphragm plate 13 and diaphragm 6 from the top stem 18 Remove the stem rod plate 16 with inserted o ring 17 from top stem 18 Mount the spring seats 11 and spri...

Page 15: ...usted the rated stroke 4 9 Maximum minimum stopper See Fig 8 5 MALFUNCTIONS 6 TOOLS Removal of the actuator wrench set mm hex socket wrench set chisel and hammer 10 pound drivers 7 ORDERING SPARE PARTS When 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 informa...

Page 16: ...16 6 DA 70 en 8 EXPLODED VIEWS AND PARTS LIST VDD Direct Acting Air to Stem Extended ...

Page 17: ...6 DA 70 en 17 VDR Reverse Acting Air to Stem Retracted ...

Page 18: ...ASE 11 SPRING SEAT 12 SPRING 13 DIAPHRAGM PLATE 15 STOPPER 16 STEM ROD PLATE 17 0 RING X 18 TOP STEM 20 UPPER CASE 21 LIFTING EYE NUT 22 WASHER 23 HEXAGON SCREW 24 HEXAGON SCREW 24a HEXAGON NUT 25 HEXAGON NUT 26 CLAMP 27 SOCKET HEAD SCREW 28 HEXAGON NUT 30 IDENTIFICATION PLATE 30a RIVET 31a STICKER WARNING 32 INDICATOR 32a ROUND HEAD SCREW 33 STEM NUT 33a LOCK WASHER 34 VENT CAP ...

Page 19: ...9 VD_29 D 295 431 453 26 VD_37 E 375 464 489 28 375 352 131 211 43 VD_37 D 375 514 535 46 Dimension inch Without handwheel With handwheel Size inch A2 Bd Bhd Br Bhr Weight kg A2 A3 Bdh Brh Weight kg VD_25 E 10 14 15 26 10 12 4 7 51 VD_25 D 10 15 16 37 VD_29 E 12 15 16 40 12 12 5 7 64 VD_29 D 12 17 18 57 VD_37 E 15 18 19 62 15 14 5 8 95 VD_37 D 15 20 21 101 Standard spring High spring Standard spri...

Page 20: ...el Size mm A2 Bd Bhd Br Bhr Weight kg A2 A3 Bdh Brh Weight kg VD_48 E 486 652 677 86 896 865 1102 1072 112 VD_48 D 486 702 724 118 VD_55 E 566 695 720 112 940 910 1145 1115 145 VD_55 D 566 745 767 152 Dimension inch Without handwheel With handwheel Size inch A2 Bd Bhd Br Bhr Weight kg A2 A3 Bdh Brh Weight kg VD_48 E 19 26 27 190 35 34 43 42 247 VD_48 D 19 28 29 260 VD_55 E 22 27 28 247 37 36 45 44...

Page 21: ...D 060 60 mm N A N A N A STD STD 070 60 mm N A N A N A STD STD 080 80 mm N A N A N A N A STD YYY Special Contact Metso for special stroke 6 ACTUATOR CASE MATERIAL A JIS G3101 SS400 ASTM A 36 Y Special 7 DIAPHRAGM MATERIAL Material Description E EPDM General material for 20 to 85 C S Low temp Silicone Low temp material up to 53 C Y Special Other special material 8 SEAL MATERIAL Material Description ...

Page 22: ...22 6 DA 70 en ...

Page 23: ...6 DA 70 en 23 ...

Page 24: ...v Independéncia 2500 Iporanga 18087 101 Sorocaba São Paulo Brazil Tel 55 15 2102 9700 Fax 55 15 2102 9748 Asia Pacific 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 B...

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