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Alfa Laval Unique SSV Two Step, Инструкция по эксплуатации

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3 Installation

Study the instructions carefully.
The valve is supplied as separate parts to facilitate the welding.
The items refer to the parts list and service kits section.
Check the valve for smooth operation after welding.

Step 1
Always install valves with more than one valve body so that the
seals between the valve bodies can be replaced. Do not weld
more than one valve body into the system.

Valve size

A (inch)

B (inch)

1

½

”

*

30.7

2”

*

31.5

2

½

”

*

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 steps on page 27.
Pay special attention to the warnings!

TD 461-630_1

TD 461-631_1

Step 3
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!

NC

NO

Air (Two Step stroke)

Air (Main movement)

Air (Main movement)

Air (Two Step stroke)

Open/close!

Open/close!

2200-0042

2200-0081_1

12

Содержание Unique SSV Two Step

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

Страница 2: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 43: ...43...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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