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7/31/2019 Piston Actuator
1/24IM-P327-02 CH Issue 2
TN2000 SeriesPneumatic Piston Actuators
Installation and Maintenance Instructions
1.Safetyinformation
2.General productinformation
3.Installation
4.Maintenance
5.Spareparts
Printed in the UK Copyright 2009
IM-P327-02CH Issue 2
3270049/2
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1. Safety information
Safe operation of this product can only be guaranteed if it is properly
installed, commissioned, used and maintained by qualified personnel (see
Section 1.11) in compliance with the operating instructions. General installation
and safety instructions for pipeline and plant construction, as well as the proper
use of tools and safety equipment must also be complied with.
1.1 Intended useReferring to the Installation and Maintenance Instructions, name-plate and
Technical Information Sheet, check that the product is suitable for the intended
use/application. The product complies with the requirements of the European
PressureEquipmentDirective97/23/EC.Group 1 Group 1 Group 2 Group 2
ProductGas Liquids Gas Liquid
TN2000 - - 2 -
i) This product has been specifically designed for use on compressed air, which is
in Group 2 of the above mentioned Pressure Equipment Directive. The products
use on other fluids may be possible but, if this is contemplated, Spirax Sarco
should be contacted to confirm the suitability of the product for the application
being considered.
ii) Check material suitability, pressure and temperature and their maximum and
minimum values. If the maximum operating limits of the product are lower than
those of the system in which it is being fitted, or if malfunction of the product
could result in a dangerous overpressure or overtemperature occurrence,
ensure a safety device is included in the system to prevent such over-limit
situations.
iii) Spirax Sarco products are not intended to withstand external stresses that may
be induced by any system to which they are fitted. It is the responsibility of the
installer to consider these stresses and take adequate precautions to minimise
them.
1.2 AccessEnsure safe access and if necessary a safe working platform (suitably guarded)
before attempting to work on the product. Arrange suitable lifting gear if required.
1.3 LightingEnsure adequate lighting, particularly where detailed or intricate work is required.
1.4 Hazardous liquids or gases in the pipelineConsider what is in the pipeline or what may have been in the pipeline at some
previous time. Consider: flammable materials, substances hazardous to health,
extremes of temperature.
1.5 Hazardous environment around the productConsider: explosion risk areas, lack of oxygen (e.g. tanks, pits), dangerous gases,extremes of temperature, hot sur faces, fire hazard and solvents.
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1.6 The systemConsider the effect on the complete system of the work proposed. Will any proposed
action (e.g. closing isolation valves, electrical isolation) put any other part of the
system or any personnel at risk?
Dangers might include isolation of vents or protective devices or the rendering
ineffective of controls or alarms. Ensure isolation valves are turned on and off in a
gradual way to avoid system shocks.
1.7 Pressure systemsEnsure that any pressure is isolated and safely vented to atmospheric pressure.
Consider double isolation (double block and bleed) and the locking or labelling of
closed valves. Do not assume that the system has depressurised even when the
pressure gauge indicates zero.
1.8 TemperatureAllow time for temperature to normalise after isolation to avoid danger of burns.
1.9 Tools and consumablesBefore starting work ensure that you have suitable tools and/or consumables
available. Use only genuine Spirax Sarco replacement parts.
1.10 Protective clothingConsider whether you and/or others in the vicinity require any protective clothing
to protect against the hazards of, for example, chemicals, high/low temperature,
radiation, noise, falling objects, and dangers to eyes and face.
1.11 Permits to workAll work must be carried out or be supervised by a suitably competent person.
Installation and operating personnel should be trained in the correct use of the
product according to the Installation and Maintenance Instructions.
Where a formal 'permit to work' system is in force it must be complied with. Where
there is no such system, it is recommended that a responsible person should know
what work is going on and, where necessary, arrange to have an assistant whose
primary responsibility is safety.
Post 'warning notices' if necessary.
1.12 HandlingManual handling of large and/or heavy products may present a risk of injury. Lifting,pushing, pulling, carrying or supporting a load by bodily force can cause injury
particularly to the back. You are advised to assess the risks taking into account the
task, the individual, the load and the working environment and use the appropriate
handling method depending on the circumstances of the work being done.
1.13 Residual hazardsIn some cases the product is provided with pre-compressed springs. Any operation
to open the spring housing is to be carried out strictly following the correct
procedure as detailed in this document.
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1.14 FreezingProvision must be made to protect products which are not self-draining against
frost damage in environments where they may be exposed to temperatures below
freezing point.
1.15 DisposalThis product should not be dismantled without first releasing the compression on
the spring (if fitted). This product is recyclable and no ecological hazard is anticipated
with its disposal providing due care is taken, however the following list of exception
will require individual disposal in line with local health and safety regulations:
- PTFE
- Polythene
- PVC
- Composite tube
-Fluorocarbon 'O' rings.
Warning: 'O' rings must not be incinerated, as hydrofluoric acid will be formed.
1.16 Returning productsCustomers and stockists are reminded that under EC Health, Safety and
Environment Law, when returning products to Spirax Sarco they must provide
information on any hazards and the precautions to be taken due to contamination
residues or mechanical damage which may present a health, safety or
environmental risk. This information must be provided in writing including
Health and Safety data sheets relating to any substances identified as hazardous
or potentially hazardous.
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2. General product information
2.1 DescriptionTN2000 seies neumtic istn ctuts e suitbe f use with DN2 t DN200
SpIra-Trol cnt vves f which thee vesins e vibe; Singe cting (with sing),
Dube cting (with sing) nd Dube cting (n sing). The vibiity f these thee
vesins meets the equiements f vves t vius diffeenti essues nd in viety
f ictins.
2.2 Technical dataTemetue nge -C t +0C
Mximum eting inet essue 0 b g
ai suy cnnectin " NpT
actut tve 70 mm
2.3 Materials
No. Part Material1 Yke SG in
2 lwe cyinde end c SG in BS EN GJS 00 8U-lT
3 Ue cyinde end c SG in BS EN GJS 00 8U-lT
4 Cyinde Cmsite tube
5 pistn SG in
6 Sing Chme vndium stee
7 Sinde Stiness stee
8 Sinde seeve Cbn stee (ted)
9 lck-nut M27 Cbn stee (ted)
10 Being nd se inset Cbn stee (ted)11 Indict te Stiness stee
12 T cnnect Cbn stee (ted)
13 Bttm cnnect Cbn stee (ted)
14 Cnnect Stiness stee
15 rd se wie pyuethne
16 DU in being pTFE / stee cmsite
17 lng nut Cbn stee (ted)
18 Nut nd theded b Cbn stee (ted)
19 Theded b M2 Cbn stee (ted)
20 " NpT vent ug (nt shwn) lD pyethyene21 Cve pVC
22 Sce Stiness stee
23 Nut M2 Cbn stee (ted)
24 lck-nut M20 Stiness stee
25 C scew Cbn stee (ted)
26 Bt M2 Stiness stee
27 pn hed scew Cbn stee (ted)
28 Nut M2. Cbn stee (ted)
29 'o' ing Fucbn ubbe (Vitn)
30 'o' ing Fucbn ubbe (Vitn)
31 'o' ing Fucbn ubbe (Vitn)
32 Sing wshe M2 Cbn stee (ted)
33 Sing wshe M0 Cbn stee (ted)
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21
31
15
10
19
17
29
30
1016
15
22, 27, 28
24
14
11
23
316
9
18
8
4
6
5
31
2
26
7
25
13
Fig. 1
32
1
33
12
Note: When lifting the actuator only use a lifting sling through X1 to X4.
X1 X4
X2 X3
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3 73
3. Installation
Caution: Sing eyes (X, see Figue 2) e not to be used f ifting n ctuted vve
ssemby.
Sing eyes cn ny be used t stbiise the ssemby. Suitbe sut f the vve nd
ctut wi be equied.
See sete Insttin nd Mintennce Instuctins f the cnt vve. F detis f
diffeenti essues sscited with the SpIra-Trol KE nd KEa cnt vves efe tthe eevnt ctut Technic Infmtin (TI) sheet.
The ctuts shud be insted in such sitin s t w fu ccess t bth the
ctut nd the vve f mintennce uses. The efeed munting sitin is with
the ctut nd vve sinde in the vetic sitin hiznt t the iewk (it is
essenti tht sut is vided when the insttin is in the hiznt sitin), see
Figue 2).
Fig. 2
Verticallybve iewk
Horizontal(it is essenti tht sut is vided whenthe insttin is in the hiznt sitin)
Verticallybew iewk
Optimum
The i suy t the ctut must be dry and free from oil. Cntct Six Sc fme detis with etin t cmsite tube / medi cmtibiity. F high temetuecnditins, insute the cnt vve nd iewk ny t tect the ctut.
Note: The ctut cnnt be fitted nt n de stye cnt vve.
Caution: If the cmete ssemby is insted hiznty then the i suy must becnnected t the west int f the ctut.
Warning: The actuator cylinder must only be pressurized on the opposite side ofthe piston holding the spring. The housing vent cap must be left unrestricted. If the
assembly is to be mounted horizontally then it is essential to provide suitable support
for the actuator.
3.1 Fitting the TN2000 SE, DE and DA actuators to the valve
- remve the bttm cnnect (13).- Ensue tht the indict sce (22) is fcing the sme wy s the vve nme-te.
- ay the cnt sign essue t the bttm f the ctut t bing the sinde (7)t the mid-tve sitin.
- Mnuy ush the vve sinde dwn t ensue tht the vve ug is n the vve set.
- lcte the ctut yke n the vve bnnet nd fit the secuing scews A t tquef 0 Nm.
- Scew the ck-nut B dwn t the west t f the vve sinde.
- Scew the bttm cnnect (13
) nt the vve sinde,caution
thee must be n vvesinde theds bve the bttm cnnect.
- lsen the ck-nut (24) nd scew the cnnect (14) uwds tuns, then emve thei suy.
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Fig. 3
A
B
25 and 33
1322
24
7
12
14
actut yke
Vve sinde
Vve bnnet
11
- adjust the cnnect (14) unti it is tuching the bttm cnnect (12 nd 13).
- re y i t the ctut (t ift the ctut sinde (7)), scew the cnnect (14)dwn by 80.
- remve the i suy wing the cnnects t tuch (this vides e-d n thevve set).
- Fit the c scews (25), sing wshes (33) nd indict te (11) nd tighten t 0Nm.
- rise the sinde (7) t its mid tve sitin.
- Tighten the sinde ck-nut B t 0 Nm.
- Tighten the ck-nut (24) t 0 Nm.
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3.2 Fitting the TN2000 SR or DR actuator to the valve:
- remve the bttm cnnect (13).- Mnuy ush the vve sinde dwn t ensue the vve ug is n the vve set.- Ensue tht the indict sce (22) is fcing the sme wy s the vve nme-te.
- lcte the ctut yke n the vve bnnet nd fit secuing scews A t tquef 0 Nm.
- Scew the ck-nut B dwn t the west int f the vve sinde.- Scew the cnnect (13) nt the vve sinde, caution thee must be n vve sinde
theds bve the cnnect.
- lsen the ck-nut (24) nd scew the cnnect (14) uwds unti the bttm iseve with the sinde, then y i essue nt the t f the ctut.
- With the ctut fuy extended, djust the cnnect (14) unti it tuches the bttmcnnects.
- reduce the i suy t the ctut (t ift the ctut stem), scew the cnnect (14)dwn by 80.
- re y i t enbe the cnnects t tuch gin, fit nd tighten the c scews (25),sing wshes (33) nd indict te (11) t 0 Nm.
- reduce i essue nd tighten ck-nut (24) t 0 Nm.
- Tighten the sinde ck-nut B t 0 Nm.
4. MaintenanceNote: Before actioning any maintenance programme
observe the 'Safety information' in Section 1.
Warnings:
1. Actuator support will be required due to weight.
2. The actuator contains a pre-compressed spring.
3. Special assembly tool required.
4. POLYLUB GLY 801 (lubricating grease) only.
TN2000 seies neumtic ctuts e mintennce fee. T ensue stisfcty etinit is stngy ecmmended tht the cnt sign i is fiteed nd suied dy nd fee f
i. Shud it be necessy t ece se ts the fwing cedue shud be used.
4.1 Removing the actuator from the valve:Note: remve the hndwhee fist, If fitted, by fwing the instuctins in Sectins . .7.
- ay i suy t the dive ctut t mve it t its mid-tve sitin.
- lsen the ck-nut B nd emve the bttm cnnect (13)
- lsen nd then emve the c scews nd sing wshes (25 nd 33). Note: Thevve stem nd the bttm cnnect wi mve dwn unti the vve hed is n the set.
- remve the bttm cnnect (13).
- remve the i suy.
- lsen nd then emve the secuing scews A .
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Fig. 4
A
B
25 and 33
1322
24
7
12
14
actut yke
Vve sinde
Vve bnnet
11
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4.2 Replacing the 'O' rings (SE and DE actuators)Note: remve the ctut fm the vve s descibed in Sectin ..
Note: Thee e ng secuing nuts tht must be emved st t ensue tht the singtensin is emved.
- lsen nd emve the secuing nuts nd wshes (23 nd 32) n the theded b (19).- lsen then emve the emining ng secuing nuts (17), see nte bve.- remve the ue cyinde end c (3), tking ce nt t dmge the being (16)
nd se (15).
- remve the sing (6) (nt icbe f Da).- remve the cyinde (4).- If the being ses e t be eced emve the sinde (7) t fit the we se (15).- rece the 'o' ings (29, 30 nd 31).
To rebuild the actuator follow the next procedure:Caution: POLYLUB GLY 801 must be used to ensure smooth operation of the piston.
- rece the sinde (7) if eviusy emved.- ay gese t the inten f the cyinde (4) nd the beings (10) (ximtey 00 mm
t be in cntct with istn).
- lwe the cyinde (4) nt the we cyinde end c (2).- Fit guiding t ve the end f the sinde- rece the sing (6)- rece the ue cyinde end c (3) ve the guiding t, tking ce nt t dmge
the being (16) nd se (15).
- Fit the ng secuing nuts (17) nt the theded b (18) mking sue tht the singwshe (32) is in ce nd tighten the nuts (23) eveny t u the cyinde (4) nt the we
cyinde end c. Then tighten t 0 Nm.
- Fit emining secuing scews, wshes nd nuts (19, 23, 32) nd tighten t 0 Nm.
- re-ttch the ctut t the vve s descibed in Sectin ..
Fig. 5 TN2000E
23
3
4
6
31
15
30
7
19
10
2
18
5 x long
securing nuts 17
29
31
32
16
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4.3 Replacing the 'O' rings (SR and DR actuators)Note: remve the ctut fm the vve s descibed in Sectin .
Note: Thee e ng secuing nuts tht must be emved st t ensue tht the sing
tensin is emved.
- lsen nd emve the cnnect (14), see Figue .
- lsen nd emve the secuing nuts nd wshes (23 nd 32) n the theded b (19)- Eveny sen nd emve the emining ng secuing nuts (17), see nte bve.- remve the ue cyinde end c (3), tking ce nt t dmge the being (16)
nd se (15).
- remve the istn ssemby (5, 7, 8 nd 9)- remve the cyinde (4)- rece the 'o' ings (30 nd 31).
To rebuild the actuator follow the next procedure:Caution: POLYLUB GLY 801 must be used to ensure smooth operation of the piston.
-ay gese t the inten f the cyinde (4) nd the beings (10) (ximtey 00 mm
t be in cntct with the istn).
- lwe the cyinde (4) nt the we cyinde end c (2)- lwe the istn ssemby int the ctut (5, 7, 8 nd 9), tking ce nt t dmge
the being (16) nd se (15).
- rece the ue cyinde end c (3), tking ce nt t dmge the being (16)nd se (15).
- Fit the ng secuing nuts (17) nt the theded b (18) mking sue tht the singwshe (32) is in ce nd tighten the nuts (23) eveny t u the istn ssemby int
the cyinde (4) nd the cyinde (4) nt the cyinde end cs (2 nd 3). Then tighten
t 0 Nm.- Fit the emining secuing scews, wshes nd nuts (19, 32 nd 23) nd tighten
t 0 Nm.
- re-ttch the ctut t the vve s descibed in Sectin .2.
Fig. 6 TN2000R
4
6
8
5
3
19
2
18
9
3130
7
31
23
32
17 5 x long
securing nuts
15 and 16
15 and 16
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4.4 Conversion of a TN2000E to a TN2000R actuatorWarning: It is nt ecmmended t evese this ctuts etin utside f cnted
e. lifting equiment wi be equied.
Note 1: remve the ctut fm the vve s descibed in Sectin ..
Note 2: If hndwhee is fit ted, new dt kit wi be equied.
Note 3: Thee e ng secuing nuts tht must be emved st t ensue tht the singtensin is emved.
Note 4:a new duct be wi be equied nd fitted ve the existing be if cnvesin
hs been dne.
Cntct Six Sc with the new duct detis, nd new be cn be suied. as
temy mesue mend the existing be with emnent mke stting fiue mde
nd suffix etteing (E r).
Dismantle:- lsen nd emve the cnnect nd ck-nut (14 nd 24).- lsen nd emve the secuing nuts nd wshes (23 nd 32) n the theded b (19).
- Eveny sen nd emve the emining ng secuing nuts (17), see nte bve.- remve the ue cyinde end c (3), tking ce nt t dmge the being (16)
nd se (15).
- remve the sing (6).- remve the cyinde (4).- Using snne hd the ue t f the sinde nd emve the ck-nut (9).- remve the sinde seeve (8).- Cve the thed n the min sinde unde ck-nut (9).- remve the istn (5).- remve the sinde (7), tking ce nt t dmge the being (16) nd se (15).
Reassembly:- Fit the sing (6).- ay gese t the inten f the cyinde (4) (ximtey 00 mm t be in cntct
with istn).
- lwe the cyinde (4) nt the we cyinde end c (2).- assembe the istn nd the sinde ssemby (5, 7, 8 nd 9).
- Fit the sinde seeve (8) t the sinde (7).- Fit the tective cve t theds n the sinde f the ck-nut (9).- Fit the istn (5) t the sinde (7), ensue the sing ctin ugs e fcing the
sinde seeve (8).
- remve the tective cve fm the theds.- ay w stength nutck t the ck-nut theds n sinde (7)- rece the ck-nut (9) nd tighten t 00 Nm.
- lwe the istn ssemby (5, 7, 8 nd 9) int the ctut, tking ce nt t dmgethe being (16) nd se (15).
- rece the ue cyinde end c (3), tking ce nt t dmge the being (16)nd se (15).
- Fit the ng secuing nuts (17) nt the theded b (18) mking sue tht the singwshe (32) is in ce nd tighten the nuts (23) eveny t u the istn ssemby int
the cyinde (4), nd the cyinde (4) nt the cyinde end cs (2 nd 3). Then tighten
t 0 Nm.- Fit the emining secuing scews, nuts nd wshes (19, 23 nd 32) nd tighten t0 Nm.
- re-ttch the ctut t the vve s descibed in Sectin .2.
C
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5 x long
securing nuts 17
Fig. 7 TN2000E
23
3
4
6
24
7
19
9
8
2
5
21
18
Fig. 8 TN2000R
4
6
8
5
3
21
19
2
18
C
32
14
C
9
17 5 x longsecuring nuts
7
23
15 and 16
15 and 16
15 and 16
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4.5 Conversion of a TN2000R to a TN2000E
Warning: It is nt ecmmended t evese this ctuts etin utside f cnted
e. lifting equiment wi be equied.
Note 1: remve the ctut fm the vve s descibed in Sectin ..
Note 2: If hndwhee is fit ted, new dt kit wi be equied.Note 3: Thee e ng secuing nuts tht must be emved st t ensue tht the sing
tensin is emved.
Note 4:a new duct be wi be equied nd fitted ve the existing be if cnvesin
hs been dne.
Cntct Six Sc with the new duct detis, nd new be cn be suied. as
temy mesue mend the existing be with emnent mke stting fiue mde
nd suffix etteing (E r).
Dismantle:
- lsen nd emve the cnnect nd ck-nut (14 nd 24).- lsen nd emve the secuing nuts nd wshes (23 nd 32) n the theded b (19).- Eveny sen nd emve the emining ng secuing nuts (17), see nte bve.- remve the ue cyinde end c (3), tking ce nt t dmge the being (16)
nd se (15).
- remve istn ssemby (5, 7, 8 nd 9), tking ce nt t dmge the being (16)nd se (15).
- remve the cyinde (4).- remve the sing (6).- Using snne hd the ue sinde C nd emve the ck-nut (9) fm the istn
ssemby.
- Cve the thed n the min sinde unde ck-nut (9).- remve the istn (5).- remve the sinde seeve (8).
Reassembly:- assembe the istn nd sinde ssemby
- Fit tective cve t the theds n the sinde f ck-nut (9)- Fit the istn (5) t the sinde (7), ensue the sing ctin ugs e fcing the
ck-nut (9) end.
- Fit the sinde seeve (8) t the sinde (7).- remve tective cve fm the theds.
- ay w stength nutck t ck-nut theds n sinde (7)- rece the ck-nut (9) nd tighten t 00 Nm.- lwe the istn ssemby int the ctut (5, 7, 8 nd 9), tking ce nt t dmge the
being (16) nd the se (15).
- Fit the sing (6).- ay gese t the inten f the cyinde (4) (ximtey 00 mm t be in cntct
with istn).
- lwe the cyinde (4) nt the istn (5).- rece the ue cyinde end c (3), tking ce nt t dmge the being (16)
nd se (15).
- Fit the ng secuing nuts (17) nt the theded b (18)mking sue tht the sing
wshe (32) is in ce nd tighten the nuts (23) eveny t u the cyinde (4) nt theistn (5), nd the cyinde (4) nt the cyinde end cs (2 nd 3). Then tighten t 0 Nm.
- Fit the emining secuing scews, nuts nd wshes (19, 23 nd 32) nd tighten t 0 Nm.- re-ttch the ctut t the vve s descibed in Sectin ..
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Fig. 9 TN2000R
4
6
8
5
3
21
19
2
18
C
9
17 5 x long
securing nuts
7
23
5 x long
securing nuts 17
Fig. 10 TN2000E
233
4
6
24
7
19
9
8
2
5
21
18
32
14
C
15 and 16
15 and 16
15 and 16
3215 and 16
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4.6 Fitting the handwheel to TN2000RH actuators
- remve the cve (21) fm the ctut, see Figue .
- remve the dust c fm the t f the hndwhee ssemby C .
- Inset the unge E nd tighten the secuing bt B .
- Ensue the indict is t the highest int.- Fit the hndwhee ssemby A ve the ue sinde.
- Fit nd tighten the secuing bts D t tque f 0 Nm.
- Fit the dust c C .
Fig. 11 TN2000RH
D
A
B
C
4.6.1 Removal of handwheel TN2000RH
- Ensue indict is t the highest sitin.
- lse nd emve secuing bts D .- remve hndwhee ssemby.
EIndicator
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D
A
B
C
Fig. 12 TN2000EH
4.7 Fitting the handwheel to TN2000 EH actuators
- remve the cve (21) fm the ctut, see Figue 2.
- remve the dust c fm the t f the hndwhee ssemby C .
- Fit the hndwhee sce F ve the sinde nd cte it n the being nd se inset.
- Ensue the indict is t the west int.- Fit the hndwhee ssemby A .
- Fit nd tighten the secuing bts D t tque f 0 Nm.
- Inset nd tighten the secuing bt B .
- Fit the dust c C .
F
Indicator
4.7.1 Removal of handwheel TN2000EH
- Ensue indict is t the west sitin.
- remve dust c C .- lsen nd emve secuing bt B .- lse nd emve secuing bts D .- remve hndwhee ssemby.
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20/24IM-P327-02 CH Issue 220
5. Spare parts
The se ts vibe e cmmn css the nge f ctuts detied in this dcument.
N the ts e vibe s ses.
Available spares
'o' ing kit 15, 29, 30, 31
Tve indict kit 22, 27, 28Sing 6
Hndwhee A
EH kit B
rH kit C
How to order sparesalwys order spres by using the description given in the column heded 'avilble
spres' nd stte the ctutor model.
Example: - 'o' ing kit f Six Sc TN2277SE neumtic istn ctut.
A
A
B
C
Fig. 14
Fig. 13
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21/24IM-P327-02 CH Issue 2 2
Fig. 15
6
22, 27 and 28
15, 29, 30 and 31
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22/24IM-P327-02 CH Issue 222
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23/24IM-P327-02 CH Issue 2 2
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