Spirax Sarco TN2000 Series Installation And Maintenance Instructions Manual Download Page 6

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IM-P361-02-EN-ISS1

CTLS

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TRANSLATION RUN OVER

2.1 Description

The TN2000 series of pneumatic piston actuators are suitable for use with DN15 to DN100 Spira-trol

control

valves of which three versions are available: Single-acting (with spring), Double-acting (with spring) and

Double-acting (no spring). The availability of these three versions meets the requirements of valves at various

differential pressures and in a variety of applications.

2.2 Technical data

Temperature range

-15

°C to +110

°C

°F to 230

°F)

Maximum operating inlet pressure

TN203_

10 bar g

(145 psi g)

TN2153

DE/DR

5 bar g

(72 psi g)

TN2150

DR/DE

TN215N

TN2153

SR/SE

8 bar g

(116 psi g)

TN2150

SE/SE

7 bar g

(101 psi g)

Air supply connection

" or " screwed NPT

Actuator travel

TN203 _

30 mm

TN215 _

50 mm

2.3 Materials

Parts 1 to 14

(See page 8 for

parts 15 to 41

)

No. Part

Material

Lower cylinder end cap

SG iron

EN 1563 EN-GJS-400-15 : 5.3106

Piston

SG iron

Spring

Chrome vanadium steel

Upper cylinder end cap

SG iron

EN 1563 EN-GJS-400-15 : 5.3106

Cylinder

Composite tube

'O' ring

Nitrile NBR 70 SH

Threaded bar

Carbon steel (plated)

Nut

Carbon steel (plated)

Screw slotted pan head

M2.5 x 12

Carbon steel (plated)

Yoke

SG iron

Front clamp

Stainless steel

Rear clamp

Stainless steel

Nut

Carbon steel (plated)

Formed hex. screw

M5 x 16

Carbon steel (plated)

2. General product information

Summary of Contents for TN2000 Series

Page 1: ...50 5 TN2000 Series Pneumatic Piston Actuators for DN15 to DN100 Spira trolTM Series Control Valves Installation and Maintenance Instructions PREVIOUS REFERENCE NO IM P327 07 Copyright 2018 Printed in France 1 Safety information 2 General product information 3 Installation 4 Commissioning 5 Spare parts ...

Page 2: ...IM P361 02 EN ISS1 CTLS 2 ...

Page 3: ...sure 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 Access Ensure safe access...

Page 4: ...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 Handling Manual hand...

Page 5: ...ions PTFE Polythene PVC Composite tube Nitrile NBR 70 shore O rings and X rings 1 16 Returning products Customers 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 enviro...

Page 6: ...TN2150 DR DE TN215N DA TN2153 SR SE 8 bar g 116 psi g TN2150 SE SE 7 bar g 101 psi g Air supply connection or screwed NPT Actuator travel TN203 _ 30 mm TN215 _ 50 mm 2 3 Materials Parts 1 to 14 See page 8 for parts 15 to 41 No Part Material 1 Lower cylinder end cap SG iron EN 1563 EN GJS 400 15 5 3106 2 Piston SG iron 3 Spring Chrome vanadium steel 4 Upper cylinder end cap SG iron EN 1563 EN GJS 4...

Page 7: ...IM P361 02 EN ISS1 CTLS 7 9 5 7 1 8 13 14 11 12 10 4 3 6 6 Fig 1 2 ...

Page 8: ...itrile NBR 70 SH 25 Vent plug NPT Polyamid 6 6 26 X ring Nitrile NBR 70 SH 27 Gasket Graphite seal 28 Label blank Compressed spring warning Adhesive paper 29 Adaptor Stainless steel 30 Label blank Adhesive paper 31 Sleeve Carbon steel plated 32 Formed hex screw M12 Carbon steel plated 33 Formed hex screw M12 x 25 Carbon steel plated 34 Nut M2 5 Carbon steel plated 35 Yoke adapter Stainless steel 3...

Page 9: ...S1 CTLS 9 20 22 18 17 34 21 23 25 30 28 19 26 16 29 33 32 24 31 27 Fig 2 15 35 Only used with the TN2_ _ _ __ 36 Only used with the TN2_ _ _ _C TN21 only 37 37 TN21 only Only used with the TN215___ C 38 39 40 42 41 41 ...

Page 10: ...33 and variants 30 mm 6 kN 1 349 lbf 1 89 bar 27 40 psi 4 19 bar 60 80 psi 5 34 bar 77 49 psi TN2150 and variants 50 mm 3 6 kN 809 lbf 0 46 bar 6 70 psi 1 12 bar 16 27 psi 1 45 bar 21 06 psi 2 11 bar 30 64 psi TN2153 and variants 50 mm 14 kN 3 147 lbf 1 95 bar 28 30 psi 2 73 bar 39 58 psi 3 12 bar 45 23 psi 3 90 bar 56 54 psi Caution Those pressure ranges are estimated and directly related to the ...

Page 11: ...tors should be installed in such a position as to allow full access to both the actuator and the valve for maintenance purposes The preferred mounting position is with the actuator and valve spindle in the vertical position or horizontal to the pipework it is essential that support is provided when the installation is in the horizontal position see Figure 4 Note Due to the thrust that the actuator...

Page 12: ...yoke onto the valve bonnet and fit the lock nut A Screw the lock nut of the valve s spindle down to the lowest part of the valve spindle Screw the bottom connector 29 onto the valve spindle caution there must be no valve spindle threads above the bottom connector Loosen the lock nut and screw the connector 20 upwards 3 turns then remove the air supply Apply the minimum signal pressure 0 1 bar 1 45...

Page 13: ...IM P361 02 EN ISS1 CTLS 13 Fig 5 A Only used with the TN2_ _ _ _ _ Only used with the TN2_ _ _ _C 29 13 14 11 12 35 20 15 19 36 ...

Page 14: ...t it touches the bottom connector 29 Apply the minimum signal pressure 0 1 bar 1 45 psi maximum to the top of the actuator then unscrew the connector 20 downwards 3 turns and finally tighten the lock nut 15 Release the control air signal Fit the front and rear clamps 11 and 12 Fit the locking screws and nuts 13 and 14 loosely Operate the actuator and valve over its full travel four times to ensure...

Page 15: ...IM P361 02 EN ISS1 CTLS 15 Fig 6 A Only used with the TN2_ _ _ _ _ Only used with the TN2_ _ _ _C 40 39 38 35 15 19 36 ...

Page 16: ...tors are maintenance free To ensure satisfactory operation it is strongly recommended that the control signal air is filtered and supplied dry and free of oil Should it be necessary to replace spare parts the following procedure should be used 4 1 Removing the actuator from the valve Note Remove the handwheel first if fitted by following the instructions in Sections 4 4 or 4 5 Remove the screws an...

Page 17: ...IM P361 02 EN ISS1 CTLS 17 Fig 7 A Only used with the TN2_ _ _ _ _ Only used with the TN2_ _ _ _C 13 14 11 12 ...

Page 18: ...he spindle 19 to fit the lower seal 17 Replace the O and X rings 6 26 and 24 To rebuild the actuator follow the next procedure Caution POLYLUB GLY 801 must be used to ensure smooth operation of the piston Replace the spindle 19 if previously removed Apply grease to the internal of the cylinder 5 and the bearings 18 approximately 50 mm to be in contact with piston Lower the cylinder 5 onto the lowe...

Page 19: ...26 To rebuild the actuator follow the next procedure Caution POLYLUB GLY 801 must be used to ensure smooth operation of the piston Apply grease to the internal of the cylinder 5 and the bearings 18 approximately 50 mm to be in contact with the piston Lower the cylinder 5 onto the lower cylinder Lower the piston assembly into the actuator 2 19 24 26 31 and 32 taking care not to damage the bearing 1...

Page 20: ...with a spanner and simultaneously loosen and remove the screw C Remove the handwheel D taking care not to displace the internal bearing F To re attach the handwheel the above the procedure should be reversed ensuring the correct torques are used Fig 10 TN203 _ SEH Fig 11 TN203 _ SRH B E F C D A B E F C D A Table 1 Recommended tightening torques Screw C Spindle connector E N m lbf ft N m lbf ft 20 ...

Page 21: ... clockwise retracts the spindle rotating it anti clockwise extends the spindle The actuator is shown in the fully extended position Remove the plastic cap A hold the actuator spindle at point B with a spanner and loosen the screwed insert C or screw for retract To re attach the handwheel the above the procedure should be reversed ensuring the correct torques are used see Table 1 B E C A E C A ...

Page 22: ...dicator kit See the Materials illustration on pages 6 and 8 for item identification 9 21 and 34 Spring kit See the Materials illustration on page 6 for item identification 3 Handwheel EH kit A RH kit B How to order spares Always order spares by using the description given in the column headed Available spares and state the actuator model Example 1 O ring kit for a Spirax Sarco TN2033SEB pneumatic ...

Page 23: ...IM P361 02 EN ISS1 CTLS 23 Fig 17 TN215 _ RBH Fig 16 TN215 _ ECH A B ...

Page 24: ...IM P361 02 EN ISS1 CTLS 24 ...

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