Samson 2333 series Скачать руководство пользователя страница 7 | Manualshive

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Samson 2333 series Скачать руководство пользователя страница 7

EB 2552-1 EN

7

Design and principle of operation

Type 2333 Pressure Reducing Valve · Type 2422 Valve,

balanced by a bellows

· DN 125 to 250

1

2
3
3.1

4

5

7

10

p

1

p

2

8
9

Version suitable for steam

Version suitable for liquids and gases

1

Globe valve (main valve)

2

Valve seat

3

Plug with plug stem

3.1 Positioning spring
4

Balancing bellows

5

Pilot valve

6

Venturi nozzle (for gases and liquids)

7

Strainer

8

Fixed restriction (version for steam)

9

Needle valve (version for steam)

10

Condensation chamber (only for steam or medium

temperatures above 150 °C)

p

S

Control pressure

p

1

Upstream pressure

p

2

Downstream pressure

Fig. 1:

Functional diagram of valve balanced by a bellows

4

5

7

6

Lower section

with bellows

Pilot valve

Type 2422 as main

valve balanced by a

bellows

Lower section

with bellows

Pilot valve

p

S

p

S

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5
6
7
8
9
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Содержание 2333 series

Страница 1: ...Mounting and Operating Instructions EB 2552 1 EN Self operated Pressure Regulators Type 2333 Pressure Reducing Valve with pilot valve Edition November 2014 Type 2333 Pressure Reducing Valve...

Страница 2: ...if not avoided will result in death or seri ous injury WARNING Hazardous situations which if not avoided could result in death or se rious injury NOTICE Property damage message or mal function Note A...

Страница 3: ...ign and principle of operation 6 4 Installation 9 4 1 Notes on installation 9 4 2 Strainers 10 4 3 Shut off valve 10 4 4 Pressure gauges 10 5 Operation 11 5 1 Start up 11 5 2 Steam applications 11 5 3...

Страница 4: ...xperience as well as their knowledge of the applicable standards The regulators comply with the requirements of the European Pressure Equip ment Directive 97 23 EC The declaration of conformity issued...

Страница 5: ...pressure in the plant Risk of bursting A suitable overpressure protection must be installed on site in the plant section 2 1 Transportation and storage The regulator must be carefully handled transpor...

Страница 6: ...alve the fixed restric tion 8 or the Venturi nozzle 6 create the control pressure pS If the downstream pressure p2 falls again be low the set point the pilot valve opens The control pressure pS falls...

Страница 7: ...oning spring 4 Balancing bellows 5 Pilot valve 6 Venturi nozzle for gases and liquids 7 Strainer 8 Fixed restriction version for steam 9 Needle valve version for steam 10 Condensation chamber only for...

Страница 8: ...alve 2 Valve seat 3 Plug with plug stem 3 1 Positioning spring 5 Pilot valve 6 Venturi nozzle 7 Strainer 11 Balancing diaphragm pS Control pressure p1 Upstream pressure p2 Downstream pressure Fig 2 Fu...

Страница 9: ...lve or actuator Install a strainer upstream of the regu lator Protect the regulator from icing up when controlling media that can freeze If nec essary depressurize and drain the reg ulator and remove...

Страница 10: ...e pipeline or isolate the regulator in the pipeline and install a bypass 4 2 Strainers Install the strainer e g SAMSON Type 1 Type 2 upstream of the pressure reducing valve The direction of flow must...

Страница 11: ...cess medium must be completely drained and dry to prevent steam ham mering Before start up fill the condensation chamber 10 with water also at the pi lot valve if necessary Slowly start up the plant a...

Страница 12: ...nt As soon as the pressure re ducing valve starts to work you can adjust the set point by making larg er changes Wait several minutes un til the pressure conditions have stabi lized and check the set...

Страница 13: ...faults in the main valve or pilot valve as well as incorrect regulator sizing In the simplest case the functioning can be re stored following the recommended action To repair the pilot valve read the...

Страница 14: ...Balancing bellows dia phragm defective Medium leaks from the actuator Replace the defective compo nent Install a shut off valve instead of the pilot valve If the main valve closes when the shut off va...

Страница 15: ...nal control line used to tap the downstream pressure Install a shut off valve instead of the pilot valve If the main valve does not open when the shut off valve is opened the main valve has caused th...

Страница 16: ...ts and diversions can change the flow conditions which may lead to an instable control process especially in applica tions with gases air or steam Refer to the SAMSON docu ment TV SK 17041 for mini mu...

Страница 17: ...lve Valve 1 Valve type 2 Model number 3 Model number index 4 Order number or date 5 KVS coefficient 8 Nominal size 9 Nominal pressure 10 Perm differential pressure in bar 11 Perm temperature in C 12 B...

Страница 18: ...ar 1 0 7 bar 1 Max permissible differential pressure pmax 16 bar 12 bar 10 bar 1 10 bar 1 Leakage class according to IEC 60534 4 0 05 of KVS coefficient 2 Max permissble temperature depending on the p...

Страница 19: ...ar 1 10 bar 1 6 bar Leakage class according to IEC 60534 4 0 01 of KVS coefficient Max permissble temperature de pending on the pilot valve Type 50 ES 50 C Type 44 2 150 C Type 44 0 B 44 1 B 150 C Typ...

Страница 20: ...mm 315 mm 390 mm 390 mm Height H1 460 mm 590 mm 730 mm 730 mm Height H2 145 mm 175 mm 235 mm 260 mm Max height H3 2 725 mm 825 mm 890 mm 890 mm Weight 1 PN 16 with Type 50 ES Pilot Valve 75 kg 118 kg...

Страница 21: ...mm 600 mm 730 mm 850 mm 110 mm Height H1 285 mm 310 mm 380 mm 380 mm 510 mm 610 mm Height H2 145 mm 175 mm 260 mm 260 mm 290 mm 390 mm Weight 1 PN 16 with Type 50 ES Pilot Valve 50 kg 70 kg 210 kg 305...

Страница 22: ...ounting and Operating Instructions Please send your inquiries to service samson de To assist diagnosis specify the following details see section 7 Type and nominal size of the valve Order and model nu...

Страница 23: ......

Страница 24: ...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 2552 1 EN 2014 11 25 English...

Страница 25: ...a device assembled from parts that have be en subjected to different surface treatment methods This means that the surfaces of so me parts show different reflections Parts can have an iridescent yello...

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