Burkert 2301 Series Manuale utente

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 1802/04_EU-ML_00810302 / Original DE

Quickstart

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

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

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

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

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

6 STRUCTURE AND FUNCTION ............................................. 7

7 TECHNICAL DATA................................................................. 8

8 INSTALLATION .................................................................... 11

9 PACKAGING, TRANSPORT, STORAGE ............................. 17

Type 2301

1 QUICKSTART

The operating instructions describes the entire life cycle of the

device. Keep these instructions in a location which is easily acces-

sible 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 oper-

ating instructions for Type 2301.

The operating instructions can be found on the Internet at:

www.burkert.com

1.1 Denition 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”.

english

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 ow 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 specication

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 condi-

tions of use specied in the contract documents, operating

instructions and on the type label are to be observed during

use. The designated application cases are specied in the

chapter entitled

“7 Technical data”.

▶Protect device from damaging environmental inuences (e.g.

radiation, humidity, steam, etc.). If anything is unclear, consult

the relevant sales oce.

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

devices and components recommended and authorized by

Bürkert.

▶Correct transportation, correct storage and installation and

careful use and maintenance are essential for reliable and

faultless operation.

▶Use the device only as intended.

english

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 instal-

lation, 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!

Risk of injury from high pressure in the equipment or device!

▶Before working on equipment or device, switch o the pres-

sure and deaerate or drain lines.

Risk of injury from electric shock (when electrical component

installed).

▶Before reaching into the device, switch o the power supply

and secure to prevent reactivation!

Observe applicable accident prevention and safety regulations

for electrical equipment!

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.

Risk of injury from moving parts in the device.

▶Do not reach into openings.

Danger due to loud noises.

▶Depending on the operating conditions, the device may generate

loud noises. More detailed information on the likelihood of loud

noises is available from the relevant sales oce.

▶Wear hearing protection when in the vicinity of the device.

Risk of burns!

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

operation.

▶Do not touch the device with bare hands.

Leaking medium when the packing gland is worn.

▶Regularly check relief bore for leaking medium.

▶If the media is hazardous, protect the area surrounding the dis-

charge point against dangers.

english

General information

Type 2301

General hazardous situations.

To prevent injury, ensure that:

▶That the system cannot be activated unintentionally.

▶Installation and repair work may be carried out by authorized

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 dened or

controlled manner.

▶The device may be operated only when in perfect condition

and in consideration of the operating instructions.

▶Observe the safety regulations specic to the plant for applica-

tion planning and operation of the device.

▶The plant operator is responsible for the safe operation and han-

dling of the plant.

▶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

specied as ow media in the chapter entitled “7 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 modications to the valves. Do not

paint the body parts or screws.

▶Do not transport, install or remove heavy devices without the aid

of a second person and using suitable auxiliary equipment.

▶The exhaust air may be contaminated with lubricants in the

actuator.

5 GENERAL INFORMATION

5.1 Contact addresses

Germany

Bürkert Fluid Control Systems

Sales Centre

Christian-Bürkert-Str. 13-17

D-74653 Ingelngen

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

accordance with the specied 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

english

Structure and function

Type 2301

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 orices of the

seats can be achieved by simply exchanging the threaded seats.

The ow direction is always below seat.

6.2 Function

The seat of the valve is always closed against the medium ow.

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

generates 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 dened position is reached.

▶To ensure a controlled restart, rst pressurize the device with

pilot pressure, then switch on the medium.

Normally closed by spring action.

Normally open by spring action.

Actuating function via reciprocal pressurization.

6.2.2 Flow direction below the seat

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

ow 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

contributes 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)

english

Technical data

Type 2301

7 TECHNICAL DATA

7.1 Conformity

Type 2301 conforms with the EUDirectives according to the

EUDeclaration of Conformity (if applicable).

7.2 Standards

The applied standards, which verify conformity with the EU

Directives, can be found on the EU-Type Examination Certicate

and / or the EU Declaration of Conformity (if applicable).

According to Pressure Equipment Directive the following operating

conditions must be observed:

Nominal width

of valve body

Maximum pressure for compressible uids

of Group 1 (hazardous gases and vapors

according to Art. 3 No. 1.3 Letter a rst dash)

DN65 15 bar

DN80 12.5 bar

DN100 10 bar

7.3 Type label

00312406

2301 A 32P PTFE VA

Tmed -10°C - +130°C

Flow 1 2

Pilot 5,5-7bar

Pmed 16,0bar

W12MP

Da=38,0 s=1,2 Kvs17,8

CE identication

Permitted pilot pressure

Permitted medium pressure

Type

Control function (CF)

Orice of the seat /

actuator size

Sealing material Body material

Identication

number

Flow direction

Permitted medium

temperature

Date of

manufacture

Main dimensions

of line connection

Flow capacity in

standard production

conditions

for food contact

english

Technical data

Type 2301

7.4 Operating conditions

Observe permitted ranges on the type label of the

device!

7.4.1 Temperature ranges for actuators

Actuator size [mm] Ambient1)

ø 50, 70 -10 - +60 °C2)

-10 - +100 °C3)

ø 90, 130

Tab. 1: Temperature ranges for actuators

1) When using a control, observe and comply with the max.

ambient temperature of this component.

2) Pilot air ports with push-in connector

3) Pilot air ports with threaded bushing

The globe control valve is suitable for steam

sterilization.

7.4.2 Temperature range of valve seat seal

Recommendation for the valve seat seal of leakage classes III

and IV: Steel / Steel.

Valve seat seal for leakage class VI:

For medium temperatures up to max. 130 °C: PTFE

For medium temperatures over 130 °C: PEEK

7.4.3 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 specication is described in detail in the operating

instructions of the respective positioner / process con-

troller in the chapter entitled “Technical data”.

7.4.4 Pressure ranges

Maximum pilot pressure for valves without pneumatic control

units

Actuator size [mm] Max. permitted pilot pressure4)

ø 50, 70, 90 10 bar

ø 130 mm 7 bar

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

4) Observe the maximum pressure range according to the type

label!

english

Technical data

Type 2301

Operating pressure for control function A5)

Actuator

size

[mm]

Nominal

width of valve

body

Max. sealed medium pressure [bar]

Steel /

steel

PTFE /

Steel

PEEK /

Steel

ø 50

10 / 15 16 16 10

20 10 10 -

25 5 5 -

ø 70 10 / 15 / 20 16 16 10

25 12 12 7

ø 90

25 / 32 16 16 10

40 12 12 7

50 7 7 -

ø 130

32 / 40 / 50 16 16 10

65 16 (15*) 16 (15*) 10

80 10 10 6

100 6 6 -

* According to Pressure Equipment Directive for compressible uids

of Group 1 (hazardous gases and vapors according to Art. 3 No. 1.3

Letter a rst dash)

Tab. 3: Operating pressure for control function A

5) The description of the control function (CF) can be found in

chapter entitled “6.2.1 Control functions (CF)”

Pilot pressure for control function B

The required minimum pilot pressure Pmin with control function

B and I (ow below the seat) is dependent on the pressure of the

medium.

The pressure diagrams are in the operating instructions on

the Internet: www.burkert.com

7.5 General technical data

Media

Control medium Instrument air according to DIN ISO 8573-1

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 ow

Control function A Normally closed by spring action

Control function B Normally open by spring action

Control function I Actuating function via reciprocal

pressurization

english

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