Alfa Laval Unique SSV Two Step Instruction Manual Download Page 6

2 Safety

Unsafe practices and other important information are emphasized in this manual.
Warnings are emphasized by means of special signs.

2.2

Warning signs

General warning

!

Caustic agents

Danger of injury (lasermarked on the actuator)
Do NOT attempt to disassemble the actuator due to
spring under load danger!
(The lock wire opening is locked)

  DO NOT DISASSEMBLE

kg

!

Danger of injury (an extra yellow label marked on the actuator
from June 2016)
Do NOT attempt to cut the actuator open due to
spring under load.
(The lock wire opening is locked).

  SPRING UNDER LOAD
Do not attempt to cut open

kg

!

Danger of injury (label marked on actuator)
Do NOT attempt to cut the actuator open due to
spring under load
(The lock wire opening is locked)

WARNING

SPRING UNDER LOAD

DO  NOT  ATTEMPT  TO  CUT  ACTUATOR  OPEN

REFER  TO  SERVICE  BULLETIN

!

6

Summary of Contents for Unique SSV Two Step

Page 1: ...TD 461 703 TD 461 702 ESE02027 ENUS6 2019 03 Original manual Instruction Manual Unique SSV Two Step...

Page 2: ......

Page 3: ...4 5 3 Elastomer and TR2 seal ring replacement 25 5 4 Valve assembly 27 5 5 Actuator types 28 5 6 Actuator bushing replacement 29 5 7 Dismantling of NC maintainable actuator 34 5 8 Assembly of maintain...

Page 4: ...umber 1000000 to 70000000000 is in conformity with the following directive with amendments Machinery Directive 2006 42 EC Pressure Equipment Directive 2014 68 EU category 1 and subjected to assessment...

Page 5: ...ed by the yoke without bolts version NOTE It is important to check for warnings marked on the actuator when servicing an actuator see below table Non maintainable actuator spring under load and CANNOT...

Page 6: ...The lock wire opening is locked DO NOT DISASSEMBLE kg Danger of injury an extra yellow label marked on the actuator from June 2016 Do NOT attempt to cut the actuator open due to spring under load The...

Page 7: ...gs 9611996094 1 4 6 35 mm hose Using the 43 5 PSI 3 bar air relief fitting also extends the service life of the actuator piston o ring Obs if using a 6 mm hose then use air relief fittings 9611995903...

Page 8: ...s or when sterilising Never touch moving parts if the actuator is supplied with compressed air Always rinse well with clean water after cleaning Always handle lye and acid with great care Maintenance...

Page 9: ...cking Check the delivery for 1 Complete valve shut off valve or change over valve see steps 2a and 2b 2 Delivery note 3 Instruction manual Step 2 2a Shut off valve 1 Complete actuator 2 Bonnet 20 3 Cl...

Page 10: ...ble the actuator due to spring under load danger SPRING UNDER LOAD Do not attempt to cut open kg AND WARNING SPRING UNDER LOAD DO NOT ATTEMPT TO CUT ACTUATOR OPEN REFER TO SERVICE BULLETIN If marked w...

Page 11: ...e valve Pay special attention to Vibrations Thermal expansion of the pipelines Excessive welding Overloading of the pipelines Risk of damage 2206 0012 Step 5 Make sure that the leak detection hole in...

Page 12: ...he system Valve size A inch B inch 1 30 7 2 31 5 2 31 1 3 35 8 4 35 4 Depending on body combination and piping solution B incl top unit A TD 461 015_1 Step 2 Assemble the valve in accordance with the...

Page 13: ...ial recycling Oil and all non metal wearing parts must be taken care of in accordance with local regulations Scrapping At end of use the equipment must be recycled in accordance with the relevant loca...

Page 14: ...lling of a vessel where an exact volume is required The degree of opening for the intermediate position can be adjusted by removing spacer rings inside the actuator see 4 5 TD461 1015 AIR F Throttled...

Page 15: ...valve has a fixed intermediate position and spring return to the end positions Spring return to lower position NC AIR TD461 1016 F TD 461 624_3 S AIR Closed Intermediate position Two step stroke acti...

Page 16: ...AIR S TD461 1017 Closed Intermediate position Two step stroke activated Open The plug opening for different Change over valves and Actuator size is shown below Standard Actuator choice NC High pressur...

Page 17: ...val products is dependent on use of Alfa Laval genuine spare parts DO NOT DISASSEMBLE kg Do NOT attempt to disassemble the actuator due to spring under load danger SPRING UNDER LOAD Do not attempt to...

Page 18: ...vement between lip seal A and plug stem B 2 Lubricate the lip seal with Kl ber Paraliq GTE 703 if necessary see section 4 1 Description of valve function Shut off valve Lubricate Change over valve TD...

Page 19: ...94 See section and section step 4 Reduce product pressure Water hammer The flow direction is the same as the closing direction The flow direction should be against the closing direction Throttle air r...

Page 20: ...Step 2 Never touch the valve or the pipelines when sterilising Burn hazard TD 461 636_4 Step 3 Clean the plug and the seats correctly Pay special attention to the warnings Lift and lower valve plug m...

Page 21: ...ings NaOH Caustic Soda HNO3 Nitric acid Step 5 1 Avoid excessive concentration of the cleaning agent 2 Adjust the cleaning flow to the process 3 Always rinse well with clean water after the cleaning A...

Page 22: ...LE kg Do NOT attempt to disassemble the actuator due to spring under load danger SPRING UNDER LOAD Do not attempt to cut open kg AND WARNING SPRING UNDER LOAD DO NOT ATTEMPT TO CUT ACTUATOR OPEN REFER...

Page 23: ...e end of the day Replace when possible Planned maintenance Regular inspection for leakage and smooth operation Keep a record of the valve Use the statistics for planning of inspections Replace after l...

Page 24: ...tuator 5 Unscrew and remove valve plug 6 Remove O ring lip seal and bushing in bonnet Use bushing tool and rubber mallet Note Be careful not to damage the bushing Pay special attention to the warnings...

Page 25: ...n of the TR2 plug avoiding contact with stainless steel stem 3 Force apart both cut ends of the plug for removal from stem 4 TR2 plugs are installed by applying uniform pressure on all sides Pressure...

Page 26: ...roperly and to ensure it is not twisted see drawing 2 4 The seal ring can now be mounted by hand 5 To ensure correct mounting press with your thumb on the seal ring which must be done approx 10 times...

Page 27: ...ring 21 and lip seal 25 with Kl ber Paraliq GTE 703 Remember to tighten spindle and plug use two 17 mm spanners Change over plug tighten torque 22 lbf ft 30 Nm Shut off plug tighten torque 15 lbf ft...

Page 28: ...n actuator see below table Non maintainable actuator Spring under load and CANNOT be opened Fully maintainable actuator Spring cage and can be opened Fully maintainable actuator Spring cage and can be...

Page 29: ...RNING SPRING UNDER LOAD DO NOT ATTEMPT TO CUT ACTUATOR OPEN REFER TO SERVICE BULLETIN Do NOT attempt to disassemble the actuator due to spring under load danger Do NOT attempt to cut the actuator open...

Page 30: ...ch 24x27 mm Supplier Gedore Tool EAN4010886621264 2200 0002 Step 3 Introduction Aligning spindle The actuator spindle can in some cases be forced off centre by the internal spring see drawing below In...

Page 31: ...4 The actuator must be carefully fixed in a vice if it is dismounted from the valve Be careful not to press the yoke flange oval when fixing the actuator in the vice Only fix carefully on the yoke le...

Page 32: ...pare parts Step 6 1 Lubricate thoroughly both the actuator spindle and o rings 2 Grease with Molykote Longterm 2 plus 3 Fit the bushing on the spindle 2200 0103 DO NOT DISASSEMBLE kg Step 7 Fit the al...

Page 33: ...tool see spare parts Step 8 Now pull the aligning spindle to centre the actuator spindle In this position rotate the bushing 180 backwards and then begin to fasten the bushing Make sure that the threa...

Page 34: ...er 1 2 Remove lock wire 10 and pull away cylinder 1 This can be done by careful using air on fitting 12 3 Remove O ring 11 from bottom 15 4 Remove piston 2 together with support disk 16 thrust plate 5...

Page 35: ...Not mounted in actuator for change over valves 59 No wear part 6 8 12 11 7 18 17 13 1 15 12 13 2206 0006 7 6 8 54 7 59 58 60 57 52 56 3 53 58 5 7 6 8 9 9 1 12 16 3 10 14 2 5 8 Assembly of maintainable...

Page 36: ...cylinder 1 2 Remove lock wire 10 and pull away cylinder 1 This can be done by careful using air on fitting 12 3 Remove O ring 11 from bottom 15 4 Remove piston 2 together with support disk 16 thrust p...

Page 37: ...Not mounted in actuator for change over valves 59 No wear part 6 8 12 11 7 18 17 13 1 15 12 13 2206 0007 7 6 8 14 16 2 3 53 58 54 58 59 7 1 55 5 56 3 52 60 57 10 9 12 12 5 10 Assembly of maintainable...

Page 38: ...ATTEMPT TO CUT ACTUATOR OPEN REFER TO SERVICE BULLETIN Do NOT attempt to disassemble the actuator due to spring under load danger Do NOT attempt to cut the actuator open due to spring under load dange...

Page 39: ...o NC see section 5 9 TD461 743_1 TD461 753_1 Step 2 3135302191 Two step guiding tool Reversing maintable actuator operation can be done by reversing parts inside the actuator see 4 5 and 4 6 It is nec...

Page 40: ...l 1 Use 32 mm bar and drill two 4 holes in a diameter 26 mm The depth of 4 holes should be approx 6 mm 2 Edges on 32 bar has to be min R0 5 so it can fit into guide 54 3 Use 4 mm bar with a length of...

Page 41: ...pressure Full vacuum depending on product specifications 14o F to 221o F standard TR2 seal Temperature range 14o F to 284o F standard EPDM seal Air pressure actuator 72 5 to 101 5 PSI 500 to 700 kPa 5...

Page 42: ...lists please see section 6 1 The drawings include all items 7 1 Drawing TD 461 643_3 8 7 5 6 9 TD 461 644_3 8 7 5 6 9 Shut off valve Change over valve 36 2 2200 0128 36 36 1 37 2 2200 0129 37 37 1 Sh...

Page 43: ...43...

Page 44: ...ER LOAD DO NOT ATTEMPT TO CUT ACTUATOR OPEN REFER TO SERVICE BULLETIN Do NOT attempt to disassemble the actuator due to spring under load danger Do NOT attempt to cut the actuator open due to spring u...

Page 45: ...t off complete 36 1 1 Plug shut off 36 2 1 Plug seal PTFE 52 1 Piston 53 1 Thrust plate 54 1 Guide 55 1 Nut 56 2 Spacer 57 1 Lock ring 58 2 Guide ring 59 1 O ring 60 1 O ring Service kits Denomination...

Page 46: ...DO NOT ATTEMPT TO CUT ACTUATOR OPEN REFER TO SERVICE BULLETIN Do NOT attempt to disassemble the actuator due to spring under load danger Do NOT attempt to cut the actuator open due to spring under loa...

Page 47: ...g change over complete 37 1 1 Plug change over 37 2 2 Plug seal PTFE 52 1 Piston 53 1 Thrust plate 54 1 Guide 55 1 Nut 56 2 Spacer 57 1 Lock ring 58 2 Guide ring 59 1 O ring 60 1 O ring Service kits D...

Page 48: ...RING UNDER LOAD DO NOT ATTEMPT TO CUT ACTUATOR OPEN REFER TO SERVICE BULLETIN Do NOT attempt to disassemble the actuator due to spring under load danger Do NOT attempt to cut the actuator open due to...

Page 49: ...23 2 1 Plug seal EPDM 24 1 Bushing 25 1 Lip seal 52 1 Piston 53 1 Thrust plate 54 1 Guide 55 1 Nut 56 2 Spacer 57 1 Lock ring 58 2 Guide ring 59 1 O ring 60 1 O ring Service kits Denomination 1 2 2 3...

Page 50: ...O NOT ATTEMPT TO CUT ACTUATOR OPEN REFER TO SERVICE BULLETIN Do NOT attempt to disassemble the actuator due to spring under load danger Do NOT attempt to cut the actuator open due to spring under load...

Page 51: ...1 Valve body 27 1 Plug 27 1 1 Plug 27 2 2 Plug 28 1 Seat 52 1 Piston 53 1 Thrust plate 54 1 Guide 55 1 Nut 56 2 Spacer 57 1 Lock ring 58 2 Guide ring 59 1 O ring 60 1 O ring Service kits Denomination...

Page 52: ...ts list and Service Kits For parts lists please see section 6 1 The drawings include all items 7 6 Mounting Tool Unique SSV Two Step TD 461 916 1 TD 461 966_1 4 TD 461 962_1 2 2200 0154 5 TD 461 917_1...

Page 53: ...ase see section 6 1 The drawings include all items Parts list Pos Qty Denomination 1 1 Service tool only for Maintainable actuator 2 1 Mandrel for bushing 3 1 Mounting tool for elastomer plug seals 4...

Page 54: ...s the responsibility of the user of this document to comply with all applicable intellectual property laws Without limiting any rights related to this document no part of this document may be copied r...

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