Alfa Laval ARC series Instruction Manual Download Page 3

Page: 3 / 36

Safety

Installation

Operation

Maintenance

Technical data

Drawings/Parts list

This manual is divided into main sections. - See
below.

Table of contents

1. Important information .................................. 2

2. Warning signs ............................................. 2

3. Safety precautions ...................................... 3

1. Unpacking/Delivery ..................................... 4

2. General installation ..................................... 5

3. Welding ....................................................... 6

4. Fitting of oil damper (optional extra) ........... 7

5. Fitting of indication equipment

(optional extra) ............................................ 8

1. Operation .................................................... 9

2. Fault finding .............................................. 10

3. Recommended cleaning ........................... 11

1. General maintenance ................................ 12

2. Dismantling of valve ................................. 14

3. Reassembly of valve ................................. 16

4. Dismantling of actuator ............................. 18

5. Reassembly of actuator ............................ 19

1. Technical data ........................................... 20

1. Parts list

- ARC with reduced stroke........22+24+26+28

- Oil damper......................................... 30+32

2. Exploded drawing

- ARC with reduced stroke................... 23+27

- Oil damper............................................... 31

3. Drawing

- ARC with reduced stroke................... 25+29

- Oil damper............................................... 33

Summary of Contents for ARC series

Page 1: ...duced stroke Aseptic Remote Controlled Valve RIGINAL NSTRUCTIONS VERS TTELSE AF ORIGINALE INSTRUKTIONER 4 4RADUZIONE DELLE ISTRUZIONI ORIGINALI LKUPER ISTEN K YTT OHJEIDEN K NN S 3 4RADUCCI N DE LAS INSTRUCCIONES ORIGINALES IM70815EN 2010 03 ...

Page 2: ...2EMOTE ONTROLLED 6ALVE 2 WITH REDUCED STROKE ENOMINATION 4YPE 9EAR IS IN CONFORMITY WITH THE FOLLOWING DIRECTIVES ACHINERY IRECTIVE 0RESSURE QUIPMENT IRECTIVE CATEGORY AND SUBJECTED TO ASSESSMENT PROCEDURE ODULE ANAGER 0RODUCT ENTRES OMPACT EAT XCHANGERS LUID ANDLING JARNE 3 NDERGAARD 4ITLE AME LFA AVAL OLDING OMPANY 3IGNATURE ESIGNATION ...

Page 3: ...tting of oil damper optional extra 7 5 Fitting of indication equipment optional extra 8 1 Operation 9 2 Fault finding 10 3 Recommended cleaning 11 1 General maintenance 12 2 Dismantling of valve 14 3 Reassembly of valve 16 4 Dismantling of actuator 18 5 Reassembly of actuator 19 1 Technical data 20 1 Parts list ARC with reduced stroke 22 24 26 28 Oil damper 30 32 2 Exploded drawing ARC with reduce...

Page 4: ...learer WARNING CAUTION NOTE 2 Warning signs General warning Caustic agents Installation Always Always Never Never Never Never Operation Never Never Always Always Never Never Always Always Maintenance Always Always Never Never Never Never Transportation Always secure that compressed air is released Always secure that all connections is disconnected before attemt to remove the valve from the install...

Page 5: ...ines when processing hot liquids or when sterilizing Never touch the clip assembly or the actuator piston rod if the actuator is supplied with com pressed air Always handle lye and acid with great care Always read the technical data thoroughly see page 20 Always release compressed air after use Never service the valve when it is hot Never service the valve with valve and pipe lines under pressure ...

Page 6: ...alveparts Check the delivery 1 Complete valve stop valve or change over valve see 2 and 3 2 Delivery note 3 Instruction Manual 1 Unpacking Delivery Delivery of stop valve 1 Complete actuator with bonnet 8 2 Clip assembly 11 3 Intermediatering 13 4 Diaphragm stem seal 20 5 Two clamps 15 6 Valve stem unit 19 22 7 Washer 14 8 Valvebody 18 Delivery of change over valve 1 Complete actuator with bonnet ...

Page 7: ...stallation Never touch the clip assembly or the actuator piston rod if the actuator is supplied with compressed air Avoid stressing the valve Pay special attention to Vibrations Thermal expansion of the tubes Excessivewelding Overloadingof the pipelines It is recommended to install the valve so that The actuator is not turned downwards The flow is against the closing direction to avoid water hamme...

Page 8: ...or with the internal valve parts can be removed Stop valve Reassemble the valve in accordance with instruc tions 4 11 on pages 16 17 Pay special attention to the warnings Change over valve Reassemble the valve in accordance with in structions 3 11 on pages 16 17 Pay special attention to the warnings Pre usecheck 1 Supply compressed air to the actuator 2 Open and close the valve several times to en...

Page 9: ...the instructions in reverse order Pre use check 1 Supply compressed air to the actuator 2 Open and close the valve several times to ensure that it operates smoothly Pay special attention to the warnings Never touch the valve or the pipelines when processing hot liquids or when sterilizing Burning danger 1 Supply compressed air to the actuator Pay special attention to the warnings 2 Fit the damper ...

Page 10: ...dication unit LKT S Atmospheric pressure required Never dismantle the valve when it is hot Never dismantle the valve with valve and pipelines under pressure CAUTION The indication and control equipment must be electrically installed by authorized personnel Top units LKT N and LKT S see the separate instruction manuals Indication unit see the instructions on page 8 1 Fit the ring on the plug stem 2...

Page 11: ...ines when processing hot liquids or when sterilizing Never touch the clip assembly or the actuator piston rod if the actuator is supplied with compressed air 1 Operation 6 Lubricate if necessary see page 13 5 4 Lubrication of actuator 1 Ensure smooth movement of the actuator the actuator is lubricated before delivery 2 Lubricate with oil grease if necessary NOTE It is recommendednot to use the val...

Page 12: ...a larger actuator small actuator actuator spring Fit a stronger spring Use auxiliary air on the spring side NOT element Water hammer The flow direction is The flow direction should be the same as the against the closing direction closing direction Fit a damper on the valve optional extra Use auxiliary air on the spring side NOT element The valve does not Faulty clip assembly Replace the clip assem...

Page 13: ...ings NaOH Caustic Soda HNO3 Nitric acid 3 Recommended cleaning Always handle lye and acid with great care Never touch the valve or the pipelines when sterilizing Operation 3 4 NOTE The cleaning agents must be stored disposed of in accordance with current rules directives 1 Avoid excessive concentration of the clean ing agent Dose gradually 2 Adjust the cleaning flow to the process Milk sterilizati...

Page 14: ...ta thoroughly see page 20 Always release compressed air after use NOTE All scrap must be stored disposed of in accord ance with current rules directives Never touch the clip assembly or the actuator piston rod if the actuator is supplied with compressed air Never stick your fingers through the valve ports if the actuator is supplied with compressed air 1 General maintenance Burning danger Atmosphe...

Page 15: ...ecord of Keep a record of the valve the actuator Use the statistics for Use the statistics for planning of planning of inspections inspections Replace after Replace after air leakage leakage Lubrication Before fitting Before fitting Before fitting USDA H1 Silicone oil or Silicone oil or Oil or grease approved oil grease silicone grease silicone grease Maintenance Maintain the valve carefully Study...

Page 16: ... 16 or 18 Stop valve Removewasher 14 from upper stem 19 NOactuator 1 Removeupper clamp 15 2 Supply compressed air to the actuator 3 Remove clip assembly 11 3 Removethe actuator 5 Release compressed air Pay special attention to the warnings NCactuator 1 Remove clip assemply 11 2 Supply compressed air to the actuator 3 Removeupper clamp 15 4 Removethe actuator 5 Release compressed air Pay special at...

Page 17: ...from lower stem 22a counterhold with a spanner Change over valve Remove lower stem 22a from upper valve body 16 Change over valve 1 Remove screw 22g O ring 22f and was her 22e from lower stem 22as 2 Remove seal 22d middle piece 22c and seal 22b from the stem Stop valve 1 Removescrew 22g O ring 22f and washer 22e from lower stem 22a 2 Remove seal 22d from the stem 1 Remove diaphragm 20a diaphragm 2...

Page 18: ...2d on lower stem 22a 2 Fit washer 22e O ring 22f and screw 22g on the stem use Loctite 243 or simi lar 1 Apply Loctite 243 or similar on the thread of lower stem 22a 2 Fit upper stem 19 on the lower stem turn it clockwise and tighten until there is metal lic contact between the upper and lower stems counterhold with a spanner 5 6 Change over valve Fit lower stem 22a in upper valve body 16 so that ...

Page 19: ...ete diaphragm stem unit together with the lower valve body 3 Fit and tighten lower clamp 15 NOactuator 1 Fit the plastic ring of clip assembly 11 on the actuator piston rod 2 Supply compressed air to the actuator 3 Fit the actuator on valve body 16 or 18 so that upper stem 19 enters the actuator piston rod 4 Fit and assemble clip assembly 11 5 Release compressed air 6 Fit and tighten upper clamp 1...

Page 20: ...activated 2 1 2 4 Dismantling of actuator 1 Turn by hand or with the service tool 1 Turn cylinder 3 2 Remove lock wire 4 1 Remove cylinder 3 2 Remove O rings 2 7 from bonnet 8 Replace the rubber seals 1 Remove piston 6 and spring assembly 10 2 Remove O ring 5 from the piston 3 Remove O ring 2 from cylinder 3 NOTE The A A actuator has no spring assembly ...

Page 21: ...hand or with the service tool 1 Fit lock wire 4 through the slot in cylinder 3 into the hole in bonnet 8 2 Turn the cylinder 360o see 4 NOTE It is recommended to turn cylinder 3 further 180o in relation to bonnet 8 so that the top and bottom air connections are fixed on the same side Bottom air connection Top air connection 1 Fit O rings 2 7 in bonnet 8 2 Fit cylinder 3 1 Fit O ring 2 in cylinder ...

Page 22: ...ove the exhaust the noise level of a valve actuator will be approximately 77db A without noise damper and approximately 72 db A with damper Measured at 7 bars air pressure Always read the manual before using the pump WARNING CAUTION NOTE Recycling information Unpacking Packing material consists of wood plastics cardboard boxes and in some cases metal straps Wood and cardboard boxes can be reused r...

Page 23: ...21 ...

Page 24: ... 20Δ 1 Diaphragm set 20a 1 Diaphragm support 20b 1 Diaphragm 20c 1 L seal 20d 1 Stem seal 22 Plug single compl a 1 Stem lower b Δ 1 Seal c 1 Middle piece d Δ 1 Seal e 1 Washer f Δ 1 O ring g 1 Screw 23 1 Mounting bracket complete a 1 Activation ring b 1 Mounting bracket c 2 Screw Δ Service kit EPDM NBR FPM See Spare Parts List Only for NO and NC actuators The drawings and the parts list include al...

Page 25: ...wing This page shows an exploded drawing of ARC with reduced stroke stop valve The drawing includes all items of the valve They are identical with the items in the Spare Parts List Mounting bracket Drawing Parts list ...

Page 26: ... 20Δ 1 Diaphragm set 20a 1 Diaphragm support 20b 1 Diaphragm 20c 1 L seal 20d 1 Stem seal 22 Plug single compl a 1 Stem lower b Δ 1 Seal c 1 Middle piece d Δ 1 Seal e 1 Washer f Δ 1 O ring g 1 Screw 23 1 Mounting bracket complete a 1 Activation ring b 1 Mounting bracket c 2 Screw Δ Service kit EPDM NBR FPM See Spare Parts List Only for NO and NC actuators The drawings and the parts list include al...

Page 27: ...25 Drawings Drawing Parts list The items refer to the parts list on the opposite part of the page The drawings below show ARC with reduced stroke stop valve ...

Page 28: ... 1 Diaphragm set 20a 1 Diaphragm support 20b 1 Diaphragm 20c 1 L seal 20d 1 Stem seal 22 Plug single compl a 1 Stem lower b Δ 1 Seal c 1 Middle piece d Δ 1 Seal e 1 Washer f Δ 1 O ring g 1 Screw 23 1 Mounting bracket complete a 1 Activation ring b 1 Mounting bracket c 2 Screw Δ Service kit EPDM NBR FPM See Spare Parts List Only for NO and NC actuators The drawings and the parts list include all it...

Page 29: ... an exploded drawing of ARC with reduced stroke change over valve The drawing includes all items of the valve They are identical with the items in the Spare Parts List Mounting bracket Exploded drawing Drawing Parts list ...

Page 30: ... 1 Diaphragm set 20a 1 Diaphragm support 20b 1 Diaphragm 20c 1 L seal 20d 1 Stem seal 22 Plug single compl a 1 Stem lower b Δ 1 Seal c 1 Middle piece d Δ 1 Seal e 1 Washer f Δ 1 O ring g 1 Screw 23 1 Mounting bracket complete a 1 Activation ring b 1 Mounting bracket c 2 Screw Δ Service kit EPDM NBR FPM See Spare Parts List Only for NO and NC actuators The drawings and the parts list include all it...

Page 31: ...29 Drawings Drawing Parts list The items refer to the parts list on the opposite part of the page The drawings below show ARC with reduced stroke change over valve ...

Page 32: ...en ordering spare parts please use the Spare Parts List Parts list Oil damper for ARC with reduced stroke optional extra Item Qty Denomination 70 1 Housing 71 1 Clip 72 1 Piston rod 73 1 O ring 74 1 Spring 75 1 O ring 76 6 Screw 77 6 Washer 78 1 O ring 79 1 Circlip 80 1 Piston 81 1 Cover 82 1 Plug 83 1 O ring 84 1 Protective hood 85 3 Screw 86 1 Spring 87 1 Nut 88 1 Screw ...

Page 33: ...oded drawing of the oil damper for ARC with reduced stroke The damper is an optional extra The drawing includes all items of the valve They are identical with the items in the Spare Parts List Exploded drawing Drawing Parts list ...

Page 34: ...en ordering spare parts please use the Spare Parts List Parts list Oil damper for ARC with reduced stroke optional extra Item Qty Denomination 70 1 Housing 71 1 Clip 72 1 Piston rod 73 1 O ring 74 1 Spring 75 1 O ring 76 6 Screw 77 6 Washer 78 1 O ring 79 1 Circlip 80 1 Piston 81 1 Cover 82 1 Plug 83 1 O ring 84 1 Protective hood 85 3 Screw 86 1 Spring 87 1 Nut 88 1 Screw ...

Page 35: ...33 Drawing Drawing Parts list The items refer to the parts list on the opposite part of the page The drawing below shows the oil damper for ARC with reduced stroke The damper is an optional extra ...

Page 36: ...How to contact Alfa Laval Contact details for all countries are continually updated on our website Please visit www alfalaval com to access the information direct ...

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