Burkert 2300 Series Guide de démarrage rapide

Quickstart

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Type 2301

2/2-way globe control valve

2/2-Wege-Geradsitzregelventil

Vanne de réglage à siège droit 2/2 voies

We reserve the right to make technical changes without notice.

Technische Änderungen vorbehalten.

Sous réserve de modifications techniques.

Operating Instructions 1502/02_EU-ML_00810302 / Original DE

3

Quickstart

1 QUICKSTART ..................................................................................................3

2 SYMBOLS .........................................................................................................4

3 INTENDED USE .............................................................................................4

4 BASIC SAFETY INSTRUCTIONS ..........................................................5

5 GENERAL INFORMATION ........................................................................6

6 STRUCTURE AND FUNCTION...............................................................6

7 TECHNICAL DATA ........................................................................................7

8 INSTALLATION ............................................................................................10

9 PACKAGING, TRANSPORT, STORAGE ..........................................16

Type 2301

1 QUICKSTART

The operating instructions describe the entire life cycle of the device.

Keep these instructions in a location which is easily accessible to

every user and make these instructions available to every new owner

of the device.

Important Safety Information!

Read Quickstart carefully and thoroughly. Study in particular the

chapters entitled “Basic safety instructions” and “Intended use”.

▶ Quickstart must be read and understood.

Quickstart for globe control valve type 2301 explains, for example,

how to install and start-up the device.

A detailed description of the device can be found in the operating

instructions for Type 2301.

The operating instructions can be found on the Internet at:

www.burkert.com

1.1 Definition of term / abbreviation

In these instructions, the term “device” always refers to the globe

control valve type 2301.

The abbreviation “Ex” used in these instructions always stands

for “explosion-protected”.

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Symbols

Type 2301

2 SYMBOLS

DANGER!

Warns of an immediate danger!

▶ Failure to observe the warning may result in a fatal or serious

injury.

WARNING!

Warns of a potentially dangerous situation!

▶ Failure to observe the warning may result in serious injuries or

death.

CAUTION!

Warns of a possible danger!

▶ Failure to observe this warning may result in a moderately severe

or minor injury.

NOTE!

Warns of material damage!

Important tips and recommendations.

Refers to information in these operating instructions or in

other documentation.

▶ indicates an instruction to prevent risks.

→ designates a procedure which you must carry out.

3 INTENDED USE

Non-intended use of the globe control valve Type 2301 may be

a hazard to people, nearby equipment and the environment.

▶ The device is designed for the controlled flow of liquid and

gaseous media. Operation is possible only in combination with a

suitable control unit.

▶ In the potentially explosion-risk area the globe control valve type

2301 may be used only according to the specification on the

separate Ex type label. For use observe the additional information

enclosed with the device together with safety instructions for the

explosion-risk area.

▶ Devices without a separate Ex type label may not be used in a

potentially explosive area.

▶ The admissible data, the operating conditions and conditions of

use specified in the contract documents, operating instructions

and on the type label are to be observed during use. These are

described in the chapter entitled “Technical data”.

▶ The device may be used only in conjunction with third-party devices

and components recommended and authorised by Bürkert.

▶ Correct transportation, correct storage and installation and care-

ful use and maintenance are essential for reliable and faultless

operation.

▶ Use the device only as intended.

3.1 Restrictions

If exporting the system or device, observe any existing restrictions.

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5

Basic safety instructions

Type 2301

4 BASIC SAFETY INSTRUCTIONS

These safety instructions do not make allowance for any

• contingencies and events which may arise during the installation,

operation and maintenance of the devices.

• local safety regulations; the operator is responsible for observing

these regulations, also with reference to the installation personnel.

DANGER!

Danger – high pressure!

▶ Before loosening the lines and valves, turn off the pressure and

vent the lines.

Risk of electric shock!

▶ Before reaching into the device, switch off the power supply

and secure to prevent reactivation!

▶ Observe applicable accident prevention and safety regulations

for electrical equipment!

Risk of burns!

The surface of the device may become hot during long-term

operation.

▶ Do not touch the device with bare hands.

Risk of injury from moving parts in the device!

▶ Do not reach into openings.

Risk of injury when opening the actuator!

The actuator contains a tensioned spring. If the actuator is opened,

there is a risk of injury from the spring jumping out.

▶ The actuator must not be opened.

General hazardous situations.

To prevent injury, ensure that:

▶ The system cannot be activated unintentionally.

▶ Installation and repair work may be carried out by authorised

technicians only and with the appropriate tools.

▶ After an interruption in the power supply or pneumatic supply,

ensure that the process is restarted in a defined or controlled

manner.

▶ The device may be operated only when in perfect condition and

in consideration of the operating instructions.

▶ The general rules of technology apply to application planning and

operation of the device.

To prevent damage to property of the device, ensure:

• Supply the media connections only with those media which are

specified as flow media in the chapter entitled “Technical data”.

• Do not put any loads on the valve (e.g. by placing objects on it

or standing on it).

• Do not make any external modifications to the valves. Do not paint

the body parts or screws.

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General information

Type 2301

5 GENERAL INFORMATION

5.1 Contact addresses

Germany

Bürkert Fluid Control Systems

Sales Centre

Christian-Bürkert-Str. 13-17

D-74653 Ingelfingen

Tel. + 49 (0) 7940 - 10 91 111

Fax + 49 (0) 7940 - 10 91 448

E-mail: [email protected]

International

Contact addresses are found on the Internet under:

www.burkert.com

5.2 Warranty

The warranty is only valid if the device is used as authorized in accor-

dance with the specified application conditions.

5.3 Information on the internet

The operating instructions and data sheets for Type 2301 can be found

on the Internet at: www.burkert.com

6 STRUCTURE AND FUNCTION

The globe control valve Type 2301 can be operated only in

combination with the following control units:

Positioner Type 8692, 8694, 8696 and 8792

Process controller Type 8693 and 8793

6.1 Structure

The valve seats are screwed in. A reduction in the orifices of the seats

can be achieved by simply exchanging the threaded seats. The flow

direction is always below seat.

6.2 Function

The seat of the valve is always closed against the medium flow.

Spring force (CFA) or pneumatic pilot pressure (CFB and CFI) gen-

erates the closing force on the control cone. The force is transferred

via a spindle which is connected to the actuator piston.

6.2.1 Control functions (CF)

WARNING!

For control function I – Danger if pilot pressure fails!

For control function I control and resetting occur pneumatically. If

the pressure fails, no defined position is reached.

▶ To ensure a controlled restart, first pressurize the device with pilot

pressure, then switch on the medium.

A

P

A

Normally closed by spring action.

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Technical data

Type 2301

B

P

A

Normally open by spring action.

I

P

A

Actuating function via reciprocal pressurization.

6.2.2 Flow direction below the seat

Depending on the version, the valve is closed against the medium

flow with spring force (control function A, CFA) or with pilot pressure

(control function B or I, CFB or CFI).

As the medium pressure is under the control cone, this pressure con-

tributes to the opening of the valve.

WARNING!

Medium may be discharged if minimum pilot pressure is too

low or medium pressure too high!

If the minimum pilot pressure is too low for CFB and CFI or the

permitted medium pressure is exceeded, leaks may occur.

▶ Observe minimum pilot pressure.

▶ Do not exceed medium pressure (see chapter “Pressure ranges”).

CFA CFB / CFI

Fig. 1: Flow direction below the seat

(Rest open/closed, closing against medium)

7 TECHNICAL DATA

7.1 Conformity

In accordance with the EC Declaration of conformity, Type 2301 ist

compliant with the EC Directives.

7.2 Standards

The applied standards, which verify conformity with the EC Directives,

can be found on the EC-Type Examination Certificate and / or the EC

Declaration of Conformity.

According to Pressure Equipment Directive the following operating

conditions must be observed:

Line connection

orifice

Maximum pressure for compressible fluids

of Group 1 (hazardous gases and vapors

according to Art. 3 No. 1.3 Letter a first

dash)

DN65 15 bar

DN80 12.5 bar

DN100 10 bar

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Technical data

Type 2301

7.3 Type label

00189145

2301 A 25M PTFE VA

Tmed -10°C - +185°C

Flow 1 2

Pilot 5,5-7bar

Pmed 16,0bar

W3ZLT

G1" Kvs12,0

CE identification

Permitted pilot pressure

Permitted medium pressure

Type

Control function (CF)

Orifice of the seat /

actuator size

Sealing material

Body material

Identification

number

Flow direction

Permitted medium

temperature

Date of

manufacture

Main dimensions of

line connection

Flow capacity in standard

production conditions

7.4 Operating conditions

Observe permitted ranges on the type label of the device!

7.4.1 Temperature ranges

Actuator

size

[mm]

Actuator

material

Medium

Environment

1)

Seat seal

steel - steel

Seat seal

PTFE - steel

ø 50

PPS -10...+185 °C -10...+130 °C

0...+60 °C

2)

0...+100 °C

3)

ø 70

ø 90

ø 130

Tab. 1: Temperature ranges

1) If a pilot valve/control unit is used, the max. ambient tem-

perature is +55 °C.

The globe control valve is suitable for steam sterilization.

2) Pilot air ports with push-in connector

3) Pilot air ports with threaded bushing

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Technical data

Type 2301

7.4.2 Control medium

In conjunction with pneumatic control units (positioner and process

controllers), pilot air according to DIN ISO 8573-1 must be used:

• Class 3 (for water content)

• Class 5 (for dust and oil content).

The specification is described in detail in the operating

instructions of the respective positioner / process controller

in the chapter entitled “Technical data”.

7.4.3 Pressure ranges

Maximum pilot pressure for valves without pneumatic control units

Actuator size (mm) Actuator material

Max. permitted

pilot pressure

4)

ø 50

PPS

10 barø 70

ø 90

ø 130 7 bar

Tab. 2: Pilot pressure for valves without pneumatic control units

4) Observe the maximum pressure range according to the type

label!

Minimum control pressure P

min

for control function A

Actuator size

[mm]

50 / 70 / 90 130

(Connection size

32 – 50 mm)

130

(Connection size

65 – 100 mm)

P

min

[bar] 5.5 5.5 5.6

Tab. 3: Minimum control pressure for CFA

Pilot pressure for control function B

Actuator

size [mm]

Connection

size [mm]

Pilot pressure [bar]

Max. per-

mitted medium

pressure [bar]

for medium pressure

0 bar max.

ø 50

4 – 15 5.1 7.0 16

20 5.1 7.0 9

25 5.1 7.0 5

ø 70

4 – 15 5.2 6.2 16

20 5.2 6.8 16

25 5.2 7.0 12

ø 90

25 2.4 4.2 16

32 2.5 5.3 16

40 2.5 6.5 16

50 2.5 7.0 14

ø 130

32 2.7 4.0 16

40 2.7 4.5 16

50 2.7 5.6 16

65 2.7 7.0 16 (15*)

80 2.7 7.0 10

100 2.7 7.0 6

Tab. 4: Pilot pressure for control function B

* According to Pressure Equipment Directive for compressible fluids of Group

1 (hazardous gases and vapors according to Art. 3 No. 1.3 Letter a first dash)

The required minimum pilot pressure P

min

with control function B and

I (flow below the seat) is dependent on the pressure of the medium.

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Technical data

Type 2301

The pressure diagrams are in the operating instructions on

the Internet: www.burkert.com

7.5 General technical data

Media

Control medium neutral gases, air

Flow media Water, Alcohol, Fuel, Hydraulic liquids,

Saline solutions, Lyes, Organic solvents

Installation position as required, preferably with actuator in

upright position

Protection class IP67 in accordance with

IEC 529/EN 60529

Control functions (CF) The valve seat is always closed against the

medium flow

Control function A Normally closed by spring action

Control function B Normally open by spring action

Control function I Actuating function via reciprocal

pressurization

8 INSTALLATION

8.1 Safety instructions

DANGER!

Danger – high pressure in the equipment!

▶ Before loosening the lines and valves, turn off the pressure and

vent the lines.

WARNING!

Risk of injury from improper installation!

▶ Installation may be carried out by authorised technicians only and

with the appropriate tools!

Risk of injury from unintentional activation of the system and

an uncontrolled restart!

▶ Secure system from unintentional activation.

▶ Following assembly, ensure a controlled restart.

For control function I – Danger if pilot pressure fails!

For control function I control and resetting occur pneumatically.

If the pressure fails, no defined position is reached.

▶ To ensure a controlled restart, first pressurize the device with pilot

pressure, then switch on the medium.

Risk of injury from moving parts in the device!

▶ Do not reach into openings.

8.2 Before installation

• The globe control valve can be installed in any installation position,

preferably with the actuator in upright position.

• Before connecting the valve, ensure the pipelines are flush.

• Make certain the flow direction is correct (Flow direction always

below seat).

8.2.1 Preparatory work

→ Clean pipelines (Sealing material, swarf, etc.).

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Technical data

Type 2301

Devices with welded body

NOTE!

For valves with installed control:

When welding the valve body into the pipeline, the control must

not be installed.

▶ Remove control from the actuator described below.

Remove the control unit from the actuator (if present):

→ Clamp the valve body in a holding device.

→ Loosen the fastening screws (2x).

→ Remove the control unit upwards.

Fastening

screw (2x)

Control unit

Actuator

Fig. 2: Disassembly the control unit

Remove the actuator from the valve body.

→ Install collet (white grommet) in pilot air port 1.

NOTE!

Damage to the seat seal or the seat contour!

▶ When removing the actuator, ensure that the valve is in open

position.

→ Control function A pressurize the pilot air port 1 (see “Fig. 3”)

with compressed air (5 bar): valve opens.

→ Using a suitable open-end wrench, place the wrench flat on the

pipe.

→ Unscrew the actuator from the valve body.

Actuator

Nipple

Valve body

Flats for open-end

wrench

Pilot air port

CFA, CFB, CFI

Exhaust air port

CFA, CFB

Pilot air port CFI

2

1

Install collet:

Fig. 3: Installation

Other device versions

→ Do not remove actuator unless this is a customer-specific

requirement.

→ Procedure see “Devices with welded body”.

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Technical data

Type 2301

8.3 Installation

WARNING!

Risk of injury from improper installation!

Assembly with unsuitable tools or non-observance of the tight-

ening torque is dangerous as the device may be damaged.

▶ For installation use an open-end wrench, never a pipe wrench.

▶ Observe the tightening torque (see “Tab. 5”).

Dirt trap for devices with authorisation in accordance with DIN

EN 161

In accordance with DIN EN 161 “Automatic shut-off valves for gas

burners and gas appliances” a dirt trap must be connected upstream

of the valve and prevent the insertion of a 1 mm plug gauge.

8.3.1 Installation of the valve body

Welded bodies

→ Weld valve body in pipeline system.

Other body versions

→ Connect body to pipeline.

8.3.2 Install actuator (welded body)

Graphite seal

Fig. 4: Graphite seal

→ Check the graphite seal and if required, replace it.

WARNING!

Danger if incorrect lubricants used!

Unsuitable lubricant may contaminate the medium. In oxygen appli-

cations there is a risk of an explosion!

▶ In specific applications, e.g. oxygen or analysis applications, use

appropriately authorized lubricants only.

→ Grease nipple thread before re-installing the actuator (e.g. with

Klüber paste UH1 96-402 from Klüber).

NOTE!

Damage to the seat seal or the seat contour!

▶ When installing the actuator, ensure that the valve is in open

position.

→ Control function A pressurize the pilot air port 1 (see „Fig. 5“)

with compressed air (5 bar): valve opens.

→ Screw actuator into the valve body. Observe tightening torque

(see “Tab. 5”).

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Technical data

Type 2301

Tightening torques of valve body / nipples

DN Tightening torque [Nm]

10/15 45 ±3

20 50 ±3

25 60 ±3

32/40 65 ±3

50 70 ±3

65 100 ±3

80 120 ±5

100 150 ±5

Tab. 5: Tightening torques of valve body / nipples

8.3.3 Install control unit

Before installation, check the position of the ports on the

control unit and, if required, align the actuator.

Description see chapter “8.3.4 Rotating the actuator”.

→ Remove collet from pilot air port 1.

→ Check that the O-rings are correctly positioned in the pilot air

ports.

→ Align the puck holder and the control unit until

1. the puck holder can be inserted into the guide rail of the

control unit and

2. the supports of the control unit can be inserted into the pilot

air ports of the actuator (see “Fig. 5”).

NOTE!

Damaged printed circuit board or malfunction!

▶ Ensure that the puck holder is situated flat on the guide rail.

Guide rail

Puck holder

Fig. 5: Aligning the puck holder

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Technical data

Type 2301

→ Push the control unit, without turning it, onto the actuator until no

gap is visible on the form seal.

NOTE!

Too high torque when screwing in the fastening screw does

not ensure protection class IP65 / IP67!

▶ The fastening screws may be tightened to a maximum torque of

1.5 Nm only.

→ Attach the control unit to the actuator using the two side fastening

screws. In doing so, tighten the screws only hand-tight (max.

torque: 1.5 Nm).

Supports

Pilot air ports

actuator

Fastening

screws

max. 1.5 Nm

Fig. 6: Install control unit

8.3.4 Rotating the actuator

The position of the connections can be aligned steplessly by rotating

the actuator through 360°.

Only the entire actuator can be rotated. The control unit cannot

be rotated contrary to the actuator.

NOTE!

Damage to the seat seal or the seat contour!

▶ When rotating the actuator, ensure that the valve is in open

position.

Procedure:

→ Clamp the valve body in a holding device (applies only to valves

which have not yet been installed).

→ Control function A:

Without unit control: pressurize the pilot air port 1 with com-

pressed air (5 bar): valve opens.

With unit control: open the valve according to the operating

instructions for the control unit.

→ Counter on the flats of the nipple with a suitable open-end

wrench.

WARNING!

Risk of injury from discharge of medium and pressure!

If the direction of rotation is wrong, the body interface may become

detached.

▶ Rotate the actuator module in the specified direction only

(see “Fig. 7”)!

→ Place suitable open-end wrench on the hexagon of the actuator.

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Technical data

Type 2301

→ Rotate counter-clockwise (as seen from below) to bring the

actuator into the required position.

Open-end wrench

Fig. 7: Rotating with open-end wrench

8.4 Pneumatic connection

DANGER!

Danger – high pressure in the equipment!

▶ Before loosening the lines and valves, turn off the pressure and

vent the lines.

WARNING!

For control function I – Danger if pilot pressure fails!

For control function I control and resetting occur pneumatically.

If the pressure fails, no defined position is reached.

▶ To ensure a controlled restart, first pressurize the device with pilot

pressure, then switch on the medium.

Risk of injury from unsuitable connection hoses!

Hoses which cannot withstand the pressure and temperature range

may result in hazardous situations.

▶ Use only hoses which are authorized for the indicated pressure

and temperature range.

▶ Observe the data sheet specifications from the hose manufacturers.

The pneumatic connection of the globe control valve can

be carried out only in connection with the appropriate

control unit.

Possible control units are:

Positioner Type 8692, 8694, 8696 and 8792

Process controller Type 8693 and 8793

8.4.1 Connection of the control medium

→ Connect the control medium to the pilot air port (“Fig. 8”: 1)

(3 – 7 bar; instrument air, free of oil, water and dust).

→ Fit the exhaust line or a silencer to the exhaust air port

(“Fig. 8”: 3) and, if available, to the additional exhaust air port

(“Fig. 8”: 3.1).

If used in an aggressive environment, we recommend

conveying all free pneumatic connections into a neutral

atmosphere with the aid of a pneumatic hose.

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Technical data

Type 2301

Pilot air port

Exhaust air port

Additional exhaust air port only

with pilot-operated control

system for high air output from

(actuator size ø 130)

1

3

3.1

Fig. 8: Pneumatic connection

Control air hose:

6/4 mm or 1/4” pilot air hoses can be used.

A pilot air port via G 1/8” thread is available as an option.

8.5 Start-up

After installing the device, run the X.TUNE function. This function

presets the control parameters.

Description – see operating instructions for the control.

8.6 Removal

DANGER!

Risk of injury from discharge of medium and pressure!

It is dangerous to remove a device which is under pressure due to

the sudden release of pressure or discharge of medium.

▶ Before removing a device, switch off the pressure and vent the lines.

Procedure:

→ Loosen the pneumatic connection.

→ Remove the device.

8.7 Maintenance work

→ Complete a visual inspection of the equipment once a year. Shorter

maintenance intervals may be recommended depending on the

operating conditions.

Wear parts: seals and swivel plate.

→ In the event of a leak, replace the relevant wear part.

The maintenance and repair instructions are available on the

Internet: www.burkert.com

9 PACKAGING, TRANSPORT,

STORAGE

NOTE!

Transport and storage damage!

• Protect the device against moisture and dirt in shock-resistant

packaging during transportation and storage.

• Permitted storage temperature: -20...+65 °C.

Damage to the environment caused by device components

contaminated with media.

• Ensure the device and packaging are disposed of in an environ-

mentally sound manner!

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Der Quickstart

1 DER QUICKSTART ....................................................................................17

2 DARSTELLUNGSMITTEL .......................................................................18

3 BESTIMMUNGSGEMÄSSE VERWENDUNG................................18

4 GRUNDLEGENDE SICHERHEITSHINWEISE ..............................19

5 ALLGEMEINE HINWEISE .......................................................................20

6 AUFBAU UND FUNKTION .................................................................... 20

7 TECHNISCHE DATEN .............................................................................21

8 MONTAGE .....................................................................................................24

9 TRANSPORT LAGERUNG, ENTSORGUNG .................................30

Typ 2301

1 DER QUICKSTART

Der Quickstart beschreibt den gesamten Lebenszyklus des Geräts.

Bewahren Sie diese Anleitung so auf, dass sie für jeden Benutzer gut

zugänglich ist und jedem neuen Eigentümer des Geräts wieder zur

Verfügung steht.

Wichtige Informationen zur Sicherheit!

Lesen Sie den Quickstart sorgfältig durch. Beachten Sie vor allem

die Kapitel „Grundlegende Sicherheitshinweise“ und „Bestim-

mungsgemäße Verwendung“.

▶ Der Quickstart muss gelesen und verstanden werden.

Der Quickstart erläutert beispielhaft die Montage und Inbetriebnahme

des Geräts.

Die ausführliche Beschreibung des Geräts finden Sie in der

Bedienungsanleitung für den Typ 2301.

Die Bedienungsanleitung finden Sie im Internet unter:

www.buerkert.de

1.1 Begriffsdefinition / Abkürzung

Der in dieser Anleitung verwendete Begriff „Gerät“ steht immer für

das Geradsitzregelventil Typ 2301.

Die in dieser Anleitung verwendete Abkürzung „Ex“ steht immer

für „explosionsgeschützt“.

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Darstellungsmittel

Typ 2301

2 DARSTELLUNGSMITTEL

GEFAHR!

Warnt vor einer unmittelbaren Gefahr.

▶ Bei Nichtbeachtung sind Tod oder schwere Verletzungen die Folge.

WARNUNG!

Warnt vor einer möglicherweise gefährlichen Situation.

▶ Bei Nichtbeachtung können schwere Verletzungen oder Tod die

Folge sein.

VORSICHT!

Warnt vor einer möglichen Gefährdung.

▶ Nichtbeachtung kann mittelschwere oder leichte Verletzungen

zur Folge haben.

HINWEIS!

Warnt vor Sachschäden.

Wichtige Tipps und Empfehlungen.

Verweist auf Informationen in dieser Bedienungsanleitung

oder in anderen Dokumentationen.

▶ markiert eine Anweisung zur Gefahrenvermeidung.

→ markiert einen Arbeitsschritt, den Sie ausführen müssen.

3 BESTIMMUNGSGEMÄSSE

VERWENDUNG

Bei nicht bestimmungsgemäßem Einsatz des Geradsitzregel-

ventils Typ 2301 können Gefahren für Personen, Anlagen in

der Umgebung und die Umwelt entstehen.

▶ Das Gerät ist für die Steuerung des Durchflusses von flüssigen

und gasförmigen Medien konzipiert. Es kann nur in Kombination

mit einer entsprechenden Ansteuerung betrieben werden.

▶ Im explosionsgefährdeten Bereich darf das Geradsitzregelventil

Typ 2301 nur entsprechend der Spezifikation auf dem separaten

Ex-Typschild eingesetzt werden. Für den Einsatz muss die dem

Gerät beiliegende Zusatzinformation mit Sicherheitshinweisen für

den Ex-Bereich beachtet werden.

▶ Geräte ohne separates Ex-Typschild dürfen nicht im explosions-

gefährdeten Bereich eingesetzt werden.

▶ Für den Einsatz die in den Vertragsdokumenten, der Bedienungs-

anleitung und auf dem Typschild spezifizierten zulässigen Daten,

Betriebs- und Einsatzbedingungen beachten. Diese sind im Kapitel

„Technische Daten“ beschrieben.

▶ Das Gerät nur in Verbindung mit von Bürkert empfohlenen bzw.

zugelassenen Fremdgeräten und -komponenten einsetzen.

▶ Voraussetzungen für den sicheren und einwandfreien Betrieb

sind sachgemäßer Transport, sachgemäße Lagerung und Instal-

lation sowie sorgfältige Bedienung und Instandhaltung.

▶ Das Gerät nur bestimmungsgemäß einsetzen.

3.1 Beschränkungen

Beachten Sie bei der Ausfuhr des Systems oder Geräts gegebenenfalls

bestehende Beschränkungen.

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Grundlegende Sicherheitshinweise

Typ 2301

4 GRUNDLEGENDE

SICHERHEITSHINWEISE

Diese Sicherheitshinweise berücksichtigen keine

• Zufälligkeiten und Ereignisse, die bei Montage, Betrieb und Wartung

der Geräte auftreten können.

• ortsbezogenen Sicherheitsbestimmungen, für deren Einhaltung, auch

in Bezug auf das Montagepersonal, der Betreiber verantwortlich ist.

Verletzungsgefahr durch hohen Druck in Anlage oder Gerät.

▶ Vor Arbeiten an Anlage oder Gerät den Druck abschalten und

Leitungen entlüften und entleeren.

Verletzungsgefahr durch Stromschlag.

▶ Vor Arbeiten an Anlage oder Gerät die Spannung abschalten

und vor Wiedereinschalten sichern.

▶ Die geltenden Unfallverhütungs- und Sicherheitsbestimmungen

für elektrische Geräte beachten!

Verbrennungsgefahr.

Bei Dauerbetrieb kann die Geräteoberfläche heiß werden.

▶ Das Gerät nicht mit bloßen Händen berühren.

Verletzungsgefahr durch sich bewegende Teile im Gerät.

▶ Nicht in Öffnungen fassen.

Verletzungsgefahr durch herausspringende Feder beim Öffnen

des Antriebs.

▶ Der Antrieb darf nicht geöffnet werden.

Allgemeine Gefahrensituationen.

Zum Schutz vor Verletzungen beachten:

▶ Anlage oder Gerät vor unbeabsichtigtem Betätigen sichern.

▶ Nur geschultes Fachpersonal darf Installations- und Instandhal-

tungsarbeiten ausführen.

▶ Nach einer Unterbrechung der elektrischen oder pneumatischen

Versorgung ist ein definierter oder kontrollierter Wiederanlauf

des Prozesses zu gewährleisten.

▶ Gerät nur in einwandfreiem Zustand und unter Beachtung der

Bedienungsanleitung betreiben.

▶ Für die Einsatzplanung und den Betrieb des Geräts die allgemeinen

Regeln der Technik einhalten.

Zum Schutz vor Sachschäden am Gerät ist zu beachten:

• In Medienanschlüsse nur Medien einspeisen, die im Kapitel „Tech-

nische Daten“ aufgeführt sind.

• Gerät nicht mechanisch belasten (z. B. durch Ablage von Gegen-

ständen oder als Trittstufe).

• Keine äußerlichen Veränderungen an den Ventilen vornehmen.

Gehäuseteile und Schrauben nicht lackieren.

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20

Allgemeine Hinweise

Typ 2301

5 ALLGEMEINE HINWEISE

5.1 Kontaktadressen

Deutschland

Bürkert Fluid Control Systems

Sales Center

Christian-Bürkert-Str. 13-17

D-74653 Ingelfingen

Tel. + 49 (0) 7940 - 10 91 111

Fax + 49 (0) 7940 - 10 91 448

E-mail: [email protected]

International

Die Kontaktadressen finden Sie im Internet unter: www.burkert.com

5.2 Gewährleistung

Voraussetzung für die Gewährleistung ist der bestimmungs-

gemäße Gebrauch des Geräts unter Beachtung der spezifizierten

Einsatzbedingungen.

5.3 Informationen im Internet

Bedienungsanleitungen und Datenblätter zum Typ 2301 finden Sie im

Internet unter: www.buerkert.de

6 AUFBAU UND FUNKTION

Das Geradsitzregelventil Typ 2301 kann nur in Kombination

mit folgenden Ansteuerungen betrieben werden:

Positioner Typ 8692, 8694, 8696 und 8792

Prozessregler Typ 8693 und 8793

6.1 Aufbau

Die Ventilsitze sind eingeschraubt. Reduzierte Sitznennweiten sind

durch den Austausch der Einschraubsitze einfach zu realisieren. Die

Anströmung ist immer unter Sitz.

6.2 Funktion

Der Sitz des Ventils wird immer gegen den Mediumsstrom geschlossen.

Federkraft (SFA) oder pneumatischer Steuerdruck (SFB und SFI)

erzeugen die Schließkraft auf den Regelkegel. Über eine Spindel, die

mit dem Antriebskolben verbunden ist, wird die Kraft übertragen.

6.2.1 Steuerfunktionen (SF)

WARNUNG!

Bei Steuerfunktion I – Gefahr bei Steuerdruckausfall!

Bei Steuerfunktion I erfolgt die Ansteuerung und Rückstellung

pneumatisch. Bei Druckausfall wird keine definierte Position erreicht.

▶ Für einen kontrollierten Wiederanlauf das Gerät zunächst mit

Steuerdruck beaufschlagen, danach erst das Medium aufschalten.

A

P

A

In Ruhestellung durch Federkraft geschlossen.

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