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EB 8139 EN

15

Design and principle of operation

Control valve DN 25 · DN 32

Pressure

rating

DN

25 · 32

Control valve DN 25 (NPS 1) · DN 32 (NPS 1¼)

NPS

1 · 1¼

∆

60 cm²/Ø90

30 cm²/

Ø63

0

3

4

5

6

7

8

5

10

15

20

25

30

35

40

p

[bar]

[bar]

pzul

Actuator

Signal

pressure

∆p

30 cm²
Ø = 63 mm

5 bar

6

6 bar

10

7 bar

14

8 bar

18

60 cm²
Ø = 90 mm

3 bar

11

4 bar

19

7 bar

40

Control valve DN 40 · DN 50

Pressure

rating

DN

40 · 50

Control valve DN 40 (NPS 1½) · DN 50 (NPS 2)

NPS

1½ · 2

∆

60 cm²/

Ø90

30 cm²/

Ø63

0

3

4

5

6

7

8

5

10

15

20

25

30

35

40

p

[bar]

[bar]

pzul

Actuator

Signal

pressure

∆p

30 cm²
Ø = 63 mm

5

2

6

4

7

5

8

7

60 cm²
Ø = 90 mm

3

4

4

7

5

11

6

14

7

18

8

21

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Содержание 3353

Страница 1: ...Mounting and Operating Instructions EB 8139 EN Translation of original instructions Edition August 2017 Type 3353 Angle Seat Valve...

Страница 2: ...partment aftersalesservice samson de The mounting and operating instructions for the devices are included in the scope of delivery The latest documentation is available on our website www samson de Pr...

Страница 3: ...Version FA NC with fail safe position fail close 14 3 4 2 Version FE NO with fail safe position fail open 14 4 Measures for preparation 16 4 1 Unpacking 16 4 2 Transporting and lifting 16 4 3 Storage...

Страница 4: ...28 8 Malfunctions 29 8 1 Troubleshooting 29 8 2 Emergency action 30 9 Decommissioning and disassembly 31 9 1 Decommissioning 31 9 2 Removing the valve from the pipeline 31 9 3 Disposal 31 10 Annex 32...

Страница 5: ...pose or for damage caused by external forces or any other external factors Refer to the technical data and nameplate for limits and fields of application as well as possible uses Reasonably foreseeabl...

Страница 6: ...ounting and operating instructions especially for installation start up and service work Responsibilities of the operator The operator is responsible for proper operation and compliance with the safet...

Страница 7: ...ns concerned as well as the valve Wear personal protective equipment 1 2 Notes on possible personal injury WARNING Risk of personal injury when the actuator vents While the valve is operating the actu...

Страница 8: ...plant operator is responsible for cleaning the pipelines in the plant Flush the pipelines before start up Observe the maximum permissible pressure for valve and plant Risk of valve damage due to unsui...

Страница 9: ...signal pressure in bar 3 Valve size DN and NPS 4 Max perm differential pressure in bar 5 Configuration ID 6 Max permissible medium temperature 7 Year of manufacture 3 3 3 3 4 4 4 4 2 2 5 6 7 1 1 Made...

Страница 10: ...ion of the plug and thus the cross sectional area of flow between the seat and plug The plug actuator stem 14 is sealed by a self adjusting PTFE V ring packing 22 at the valve and by a radial shaft se...

Страница 11: ...3 S 55 66 25 22 14 1 55 S 22 14 1 Fail close FA FA NC TS Fail open FE FE NO TR 1 Body 3 Piston 14 Plug with plug actuator stem 20 Spring 22 V ring packing 25 Radial shaft seal 55 Vent plug 66 Filter...

Страница 12: ...408 Type of connection Welding ends Threaded ends Pressure rating PN 40 Seat plug seal Soft seal Characteristic Quick opening Compliance Actuator 30 cm 63 mm or 60 cm 90 mm Permissible signal pressure...

Страница 13: ...lding ends Valve size DN NPS 15 20 25 1 32 1 40 1 50 2 FTF dimension L mm 100 120 150 160 180 190 End to end length L1 mm 187 197 227 218 230 241 Height inc actuator H mm 197 199 214 223 230 229 d1 co...

Страница 14: ...1440 N one spring 3 8 bar 40 16 6 2160 N two springs 5 4 bar 25 10 3 4 2 Version FE NO with fail safe position fail open Required actuators and signal pressures to close the valve at the specified di...

Страница 15: ...5 40 p bar bar pzul Actuator Signal pressure p 30 cm 63 mm 5 bar 6 6 bar 10 7 bar 14 8 bar 18 60 cm 90 mm 3 bar 11 4 bar 19 7 bar 40 Control valve DN 40 DN 50 Pressure rating DN 40 50 Control valve DN...

Страница 16: ...ransport instructions Protect the control valve against external influences e g impact Do not damage the corrosion protection paint surface coatings Repair any damage immediately Protect the control v...

Страница 17: ...alve 4 4 Preparation for installation Flush the pipelines The plant operator is responsible for clean ing the pipelines in the plant Check the valve to make sure it is clean Check the valve for damage...

Страница 18: ...serve the flow direction through the valve The arrow on the valve indicates the direction of flow 4 Install the valve free of stress and with the least amount of vibrations as possible 5 Depending on...

Страница 19: ...C TS valves with the valve sizes DN 40 and 50 NPS 1 and 2 and with 60 cm actuators can be fitted with one or two actuator springs marked on the nameplate with I or II see section 2 1 By adding a sprin...

Страница 20: ...leakage visual in spection Fail safe position Shut off the signal pressure line Check whether the valve moves to the fail safe position Pressure test During the pressure test make sure the fol lowing...

Страница 21: ...l injury when the actuator vents Wear eye protection when working in close proximity to the control valve Risk of burn injuries due to hot or cold com ponents and pipelines Depending on the process me...

Страница 22: ...he plant sections concerned and the valve Wear protective clothing safety gloves and eyewear Risk of burn injuries due to hot or cold com ponents and pipelines Depending on the process medium valve co...

Страница 23: ...end wrench on the valve bonnet 10 and unscrew the entire actuator including the valve bonnet from the body 1 2 Remove the body gasket 31 Carefully clean the sealing faces in the valve body 1 and seat...

Страница 24: ...th an 8 mm open end wrench 6 Remove washer 43 piston 3 together with the piston ring 23 and washer 46 7 Remove the O ring 8 2 and washer 43 from the plug actuator stem 14 8 Unscrew the retaining screw...

Страница 25: ...EB 8139 EN 25 Servicing 66 3 46 20 33 11 25 60 22 44 21 14 1 43 47 2 3 23 49 43 20 46 38 36 38 10 31 55 S 35 6 Fail open FE Fail close FA Fig 5 Replacing the packing...

Страница 26: ...14 21 Place on the piston 3 with piston ring 23 and washer 43 22 Insert the washer 46 and spring 20 into the piston 3 23 Tighten the nut 49 intended for fasten ing the piston while holding the plug ac...

Страница 27: ...shing 16 Place the bottom slip washer 38 on the valve bonnet 10 17 Screw the threaded bushing 11 togeth er with the actuator base 6 over the plug actuator stem 14 onto the valve bonnet 10 Tighten the...

Страница 28: ...the valve Remove any residual process medium 3 Fill in the Declaration on Contamination which can be downloaded from our website at u www samson de Services Check lists for after sales service Declara...

Страница 29: ...l pressure Check the signal pressure line for leakage Plug actuator stem does not move through the whole range Signal pressure too low Check the signal pressure Check the signal pressure line for leak...

Страница 30: ...in the plant In the event of a valve malfunction 1 Close the shut off valves upstream and downstream of the control valve to stop the process medium from flowing through the valve 2 Check the valve fo...

Страница 31: ...k of burn injuries due to hot or cold com ponents and pipeline Valve components and the pipeline may be come very hot or cold Risk of burn injuries Allow components and pipelines to cool down or heat...

Страница 32: ...nd service facilities worldwide can be found on the SAMSON website u www samson de or in all SAMSON product catalogs Required specifications Please submit the following details Order number and positi...

Страница 33: ...1 L21 ANSI body of cast iron NPS 2 to NPS 4 fluids G2 L1 L21 Dreiwegeventil Three way valve V2001 3323 DIN Geh use GG DN 65 100 Fluide G2 L1 L21 DIN body of cast iron DN 65 100 fluids G2 L1 L21 Dreiwe...

Страница 34: ...ctuator stem 20 Spring 21 Compression spring 22 V ring packing 23 Piston ring 25 Radial shaft seal 28 PTFE seal 31 Body gasket seal 32 O ring 33 O ring 35 O ring 36 O ring 37 Dry bearing 38 Washer 42...

Страница 35: ...EB 8139 EN 35 25 11 36 37 38 38 22 44 21 60 10 37 31 1 43 33 23 3 43 49 46 20 51 42 28 14 35 2 66 55 32 5 47 6...

Страница 36: ...SAMSON AG MESS UND REGELTECHNIK Weism llerstra e 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 samson samson de www samson de EB 8139 EN 2017 12 14 English...

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