Burkert 623969 User manual

Type 2000
2/2-way angle seat valve
Operating Instructions

We reserve the right to make technical changes without notice.
© Bürkert Werke GmbH & Co. KG, 2008 - 2021
Operating Instructions 2106/19_ENen 00893086 / Original DE

Type 2000
Contents
3
CONTENTS
1 About these instructions ............................................................................................................................5
1.1 Symbols............................................................................................................................................ 5
1.2 Definition of terms ............................................................................................................................ 6
2 Intended use ...............................................................................................................................................7
3 Basic safety instructions............................................................................................................................8
4 General information..................................................................................................................................10
4.1 Contact address ............................................................................................................................. 10
4.2 Warranty ......................................................................................................................................... 10
4.3 Information on the Internet ............................................................................................................. 10
5 Product description..................................................................................................................................11
5.1 Features.......................................................................................................................................... 11
5.2 Structure and function.................................................................................................................... 11
5.2.1 Flow direction below seat ..................................................................................................13
5.2.2 Flow direction above the seat............................................................................................13
5.3 Device options................................................................................................................................ 14
5.4 Variants........................................................................................................................................... 14
6 Technical data ..........................................................................................................................................15
6.1 Conformity ...................................................................................................................................... 15
6.2 Standards ....................................................................................................................................... 15
6.3 Type label ....................................................................................................................................... 15
6.3.1 Designation of the actuator size ........................................................................................15
6.4 Operating conditions ...................................................................................................................... 15
6.4.1 Temperature ranges...........................................................................................................16
6.4.2 Pressure ranges .................................................................................................................18
6.4.3 Minimum pilot pressure values ..........................................................................................18
6.5 Mechanical data ............................................................................................................................. 22
7 Installation ................................................................................................................................................23
7.1 Safety instructions installation........................................................................................................ 23
7.2 Preparatory work ............................................................................................................................ 24
7.2.1 Attach dirt trap ...................................................................................................................24
7.3 Installing valve body ....................................................................................................................... 24
7.4 Installing devices with welded connection ..................................................................................... 24
7.4.1 Removing actuator from the valve body for devices without control unit .........................24
7.4.2 Removing actuator from the valve body for devices with installed control unit ................25
7.4.3 Installing actuator on valve body .......................................................................................25
7.5 Installing control unit ...................................................................................................................... 26
7.6 Turning actuator ............................................................................................................................. 26
7.6.1 Turning the actuator, devices with hexagon nut................................................................26
7.7 Connecting device pneumatically .................................................................................................. 27
7.7.1 Connecting control medium ..............................................................................................27

Type 2000
Contents
4
8 Start-up .....................................................................................................................................................29
9 Deinstallation ............................................................................................................................................30
10 Servicing ...................................................................................................................................................31
10.1 Safety instructions maintenance .................................................................................................... 31
10.2 Maintenance work .......................................................................................................................... 31
10.2.1 Actuator .............................................................................................................................31
10.2.2 Wearing parts.....................................................................................................................32
10.2.3 Visual inspection ................................................................................................................32
10.2.4 Cleaning .............................................................................................................................32
11 Faults ........................................................................................................................................................33
12 Replacement parts, accessories .............................................................................................................34
12.1 Installation tools.............................................................................................................................. 34
12.2 Replacement part set ..................................................................................................................... 34
12.3 Spare parts for seal set for SET 5 actuator .................................................................................... 35
12.4 Spare parts for valve set SET 6 ...................................................................................................... 36
13 Transportation, storage, disposal............................................................................................................38

Type 2000
About these instructions
5
1 ABOUT THESE INSTRUCTIONS
The operating instructions describe the entire life cycle of the device.
Keep these instructions ready to hand at the operation site.
Important safety information!
▶Carefully read these instructions.
▶Observe in particular the safety instructions, intended use and operating conditions.
▶Persons, who work on the device, must read and understand these instructions.
1.1 Symbols
DANGER!
Warns of an immediate danger.
▶Failure to observe the warning will result in fatal or serious injuries.
WARNING!
Warns of a potentially dangerous situation.
▶Failure to observe the warning may result in serious or fatal injuries.
CAUTION!
Warns of a possible danger.
▶Failure to observe the warning may result in moderate or minor injuries.
ATTENTION!
Warns of damage to property.
▶Failure to observe the warning may result in damage to the device or system.
Indicates important additional information, tips and recommendations.
Refers to information in these instructions or in other documentation.
Designates an instruction for risk prevention.
Designates a procedure which you must carry out.
Indicates a result.

Type 2000
About these instructions
6
1.2 Definition of terms
In these instructions the term "device" denotes the following device types:
2/2-way angle seat valve Type 2000
The abbreviation “Ex” used in these instructions always stands for “potentially explosive atmosphere”.
The term “büS” (Bürkert system bus) used in this manual refers to the communication bus developed by
Bürkert, based on the CANopen protocol.
In these instructions, the unit bar stands for relative pressure. The absolute pressure is stated separately in
bar(abs).

Type 2000
Intended use
7
2 INTENDED USE
The angle seat valve Type 2000 is designed to control the flow rate of media. The permitted media are lis-
ted in the "Technical data".
▶Use the device for its intended purpose only. Non-intended use of the device may be dangerous to
people, nearby equipment and the environment.
▶Correct transportation, correct storage as well as correct installation, commissioning, operation and
maintenance are essential for reliable and problem-free operation.
▶When using the device, observe the permitted data, operating conditions and application conditions.
This information can be found in the contractual documents, the operating instructions and on the type
label.
▶Use the device only in conjunction with third-party devices and components recommended and author-
ized by Bürkert.
▶In potentially explosive atmospheres, only use devices approved for use in those areas. These devices
are labeled with a separate Ex type label. For such use, note the information provided on the separate
Ex type label and the additional explosion-related information or separate explosion-related operating in-
structions.
▶Protect device from environmental influences (e.g. radiation, air humidity, fumes). If you have any ques-
tions, contact your Bürkert sales department.

Type 2000
Basic safety instructions
8
3 BASIC SAFETY INSTRUCTIONS
These safety instructions do not take into account any unforeseen circumstances and events which occur
during installation, operation and maintenance.
The operator is responsible for observing the location-specific safety regulations, also with reference to the
personnel.
DANGER!
Risk of injury from high pressure and discharge of medium.
▶Before working on the device or system, switch off the pressure. Vent or drain lines.
DANGER!
Electric shock due to installed electrical component.
▶Before working on the device or system, switch off the power supply. Secure against reactivation.
▶Observe the applicable accident prevention and safety regulations for electrical devices.
WARNING!
Risk of injury when opening the actuator.
The actuator contains a spring under tension. When the actuator is opened, the spring will jump out and
may cause injuries.
▶Do not open the actuator.
WARNING!
Risk of injury due to moving parts.
▶Do not reach into openings in the device.
WARNING!
Danger of burns and risk of fire.
Quickly switching actuators or hot medium may cause the surface of the device to become hot.
▶Only touch the device while wearing protective gloves.
▶Keep the device away from highly flammable substances and media.
WARNING!
Danger due to loud noises.
Depending on the usage conditions, the device may generate loud noises. Detailed information on the
probability of loud noises is available from the respective sales department.
▶Wear hearing protection when in the vicinity of the device.
WARNING!
Discharge of medium if packing gland worn.
▶If media are hazardous, safeguard the environment around the discharge point.

Type 2000
Basic safety instructions
9
To prevent injuries, observe the following:
▶Secure device or plant to prevent unintentional activation.
▶Only trained technicians may perform installation and maintenance work.
▶Perform installation and maintenance with suitable tools only.
▶Heavy equipment must only be transported, assembled, installed or dismantled with the help of a
second person as appropriate and using suitable apparatus.
▶Following interruption of the process, ensure that the process is restarted in a controlled manner.
Observe sequence:
1. Apply electrical or pneumatic supply.
2. Charge with medium.
▶Do not make any changes to the device and do not subject it to mechanical stress.
▶Feed only those media, which are listed in the chapter "Technical data", into the medium ports.
▶Operate the device only in perfect state and in consideration of the operating instructions.
▶For applications planning and operation of the device, observe the plant-specific safety regulations.
▶Observe the general rules of technology.
▶The plant owner is responsible for the safe operation and handling of the plant.
To protect the environment, observe the following:
▶The pilot exhaust air of the device may be contaminated by lubricants.

Type 2000
General information
10
4 GENERAL INFORMATION
4.1 Contact address
Germany
Bürkert Fluid Control Systems
Sales Center
Christian-Bürkert-Str. 13−17
D-74653 Ingelfingen
Phone: + 49 (0) 7940 - 10 91 111
Fax: + 49 (0) 7940 - 10 91 448
E-mail: [email protected]
International
The contact addresses can be found on the back pages of the printed Quickstart. Also on the Internet at:
http://www.burkert.com
4.2 Warranty
A precondition for the warranty is that the device is used as intended in consideration of the specified us-
age conditions.
4.3 Information on the Internet
Operating instructions and data sheets for the Bürkert products can be found online at:
https://www.burkert.com/en

Type 2000
Product description
11
5 PRODUCT DESCRIPTION
The device is specially optimised for decentralised process automation and meets all the relevant require-
ments, even under difficult usage conditions.
Its design enables the easy integration of automation modules in all extension stages, whether they are
electrical/optical position feedback, pneumatic control units, or even an integrated fieldbus interface. Long
service life and high tightness are achieved by the tried and tested self-adjusting packing gland. The sys-
tem, consisting of valve and automation module is distinguished by a compact and sleek design, integrated
pilot air ducts, a high chemical resistance, the degrees of protection IP65 or IP67 as well as the NEMA pro-
tection class 4X.
The device uses neutral gases or air to control the flow rate of liquid or gaseous media, such as water, alco-
hol, oil, fuel, saline solution, hydraulic fluid, lye, organic solvent or vapour.
5.1 Features
▪Actuator can be rotated steplessly by 360°
▪Stainless steel valve body
▪Easy integration of automation modules
▪High chemical resistance
▪High tightness and long service life due to self-adjusting packing gland
▪High flow values through flow rate-optimised valve body made of stainless steel
▪High seat tightness by swivel plate
▪Maintenance-free under normal conditions
5.2 Structure and function
The angle seat valve consists of a pneumatically actuated piston actuator and a 2-way valve body. The ac-
tuator is made of PA or PPS. The proven, self-adjusting packing gland guarantees a high degree of tight-
ness. Valve bodies made of stainless steel or red bronze 1.
Depending on the variant, the valve seat is connected in the direction of or against the medium flow. Spring
force (SFA) or pneumatic pilot pressure (SFB and SFI) generate the closing force on the swivel plate. A
spindle connected to the actuator piston transmits the force.
1 not for seat size 80

Type 2000
Product description
12
Pilot air ports
Transparent cap
with position indicator
Actuator cover
Actuator housing
Port connection
Angle seat body
Type 2000
Characters for designation
of flow direction
Fig.1: Structure and description
Control function Definition Circuit symbol Figure
A (CFA) Closed by spring force in
rest position.
2 (A),(P)
1 (P),(A)
up
down
B (CFB) Opened by spring force
in rest position.
2 (B),(P)
1 (P),(B)
up
down
I (CFI) Actuating function via re-
ciprocal pressurisation.
2(A),(P)
1(P),(A)
up
down
Tab.1: Control functions

Type 2000
Product description
13
5.2.1 Flow direction below seat
WARNING!
Valve seat not sealed when control pressure too low or operating pressure too high.
If control pressure for control function B and control function I is too low or operating pressure is too high,
this can cause the valve seat to leak.
▶Comply with minimum control pressure and maximum operating pressure values.
Depending on the control function, the valve closes by spring action (control function A) or pilot pressure
(control function B and I) against the fluid flow.
As the medium is present under the swivel plate, the operating pressure contributes to the opening of the
valve.
SFA /
SFI
SFB /
SFI
1 2 Flow direction
Marking on
body
Fig.2: Flow direction below seat, valve closes against medium flow
5.2.2 Flow direction above the seat
DANGER!
Risk of injury from rupturing lines and device when flow direction above the seat.
A pressure surge of liquid media may cause the lines and device to rupture.
▶Do not use valves with flow direction above the seat for liquid media.
Flow direction above the seat is possible only on valves with control function A (closed by spring action in
rest position).2.
The valve closes by spring action with the fluid flow. As the medium is present above the swivel plate, the
operating pressure contributes to the closing of the valve. The operating pressure also supports the sealing
of the valve seat.
The valve opens due to pilot pressure.
1 2 Flow direction
Marking on
body
Fig.3: Flow direction above the seat, valve closes with medium flow
2 Not for seat size 80

Type 2000
Product description
14
5.3 Device options
▪Stroke limit
Limiting the maximum or minimum flow rate volume with an adjusting screw.
▪Control unit
Different variants are available depending on the requirement.
▪Position feedback
The device is available with mechanical limit switches or inductive proximity switches.
5.4 Variants
Information on the variants of the device can be found in the data sheet at https://www.burk-
ert.com/en or in your sales department.

Type 2000
Technical data
15
6 TECHNICAL DATA
6.1 Conformity
The device conforms to the EC directives as per the EC Declaration of Conformity (if applicable).
6.2 Standards
The applied standards, which are used to demonstrate conformity with the directives, are listed in the EU
type examination certificate and/or the EU Declaration of Conformity (if applicable).
6.3 Type label
Control function
Manufacture code (coded)
Type
Seal material
Flow coefficient
Order number
operating pressure
Medium temperature
For derating, please refer to the
operating instructions.
Flow direction
Fig.4: Example of a type label
6.3.1 Designation of the actuator size
Actuator size [mm] Designation
ø40 C
ø50 D
ø63 E
ø80 R
ø100 G
ø125 H
Tab.2: Designation of the actuator size
6.4 Operating conditions
Degree of protection IP67 according to IEC 529 / DIN EN 60529
Flow media Water, alcohols, oils, fuels, hydraulic fluids, saline solutions,
lyes, organic solvents, vapour, air, neutral gases
Control media Neutral gases, air
Sound pressure level <70dB(A)
The sound pressure level may be higher depending on the us-
age conditions

Type 2000
Technical data
16
6.4.1 Temperature ranges
Actuator size [mm] Actuator material Medium temperature (for PTFE
seal) [°C]3
Ambient temperature4 [°C]
ø40 … ø63 PA −10...see Fig. 5 −10...see Fig. 5
ø80...ø125 PA −10...+185 −10...+60
ø40...ø80 PPS −10...see Fig. 6, 7 +5...+140
ø100...ø125 PPS −10...see Fig. 8 +5...+905
Tab.3: Temperature ranges
Ambient
temperature [°C]
Medium
temperature (°C)
Fig.5: Temperature range of maximum medium and ambient temperature for PA actuators
Usage limits of the armature
Temperature [°C] Pressure (bar)
−10 … +50 25.0
100 24.5
150 22.4
200 20.3
230 19.0
Tab.4: Derating the operating pressure as per DINEN12516-1/PN25
Temperature [°C] Pressure (bar)
−29 … +38 19.0
50 18.4
100 16.2
150 14.8
200 13.7
230 12.7
Tab.5: Derating the operating pressure as per ASMEB16.5/ASMEB16.34Cl.150
3 For applications at Tmax >130°C a PEEK seal is recommended.
4 When using a pilot valve the max. ambient temperature is +55°C.
5 Short-term to max. 140 °C

Type 2000
Technical data
17
Temperature [°C] Pressure (bar)
−10 … +50 14.0
100 14.0
150 13.4
200 12.4
230 11.7
Tab.6: Derating the operating pressure as per JISB222010K
Usage limits of the temperature
Service life is reduced if the valves are used at a maximum ambient temperature of +140 °C.
0 20 40 60 80 100 120 140 160 180 200 220
50
60
70
80
90
100
150
Medium temperature [°C]
Ambient temperature [°C]
110
120
130
140
Fig.6: Derating CLASSIC ANTG40
0 20 40 60 80 100 120 140 160 180 200 220
50
60
70
80
90
100
150
Medium temperature [°C]
Ambient temperature [°C]
110
120
130
140
Fig.7: Derating CLASSIC ANTG50, 63, 80

Type 2000
Technical data
18
0 20 40 60 80 100 120 140 160 180 200 220
50
55
60
65
70
75
80
85
90
95
100
Medium temperature [°C]
Ambient temperature [°C]
Fig.8: Derating CLASSIC ANTG100, 125
See also
2Temperature ranges [}16]
6.4.2 Pressure ranges
Actuator material Actuator size [mm] Max. Pilot pressure [bar]
PA ø40...ø100 10
ø125 7
PPS ø40...ø80 10
ø100...ø125 7
Tab.7: Maximum pilot pressure
6.4.3 Minimum pilot pressure values
Minimum control pressure when flow direction below seat
(Medium flow against valve closing direction)
The required minimum control pressure Pmin for control functionA andI is:
Actuator
size [mm]
ø40 ø50 ø63 ø80 ø100 ø125 ø125 DN80
Pmin [bar] 4.0 4.1 4.5 5.0 4.4 3.2 4.1
Tab.8: Minimum pilot pressure SFA
Required minimum control pressure depending on the operating pressure
The following graphs show the required minimum control pressure for the respective control function de-
pending on the operating pressure.

Type 2000
Technical data
19
Operating pressure [bar]
Pilot pressure [bar]
ø40
CFB/CFI
0 1 98765432 10
DN20 DN15
2
10
12
14
16
4
8
6
0
Fig.9: Actuator ø40mm, control functionB andI, flow direction below the seat
Operating pressure [bar]
Pilot pressure [bar]
ø50
CFB/CFI
0 1 98765432 10
DN20 DN15
2
10
12
14
16
4
8
6
0
DN25
Fig.10: Actuator ø50mm, control functionB andI, flow direction below the seat
0
01 98765432 10
Operating pressure [bar]
Pilot pressure [bar]
ø63
CFB/CFI
DN25 DN20 DN15 DN32
DN40DN50
5
10
15
20
25
Fig.11: Actuator ø63mm, control functionB andI, flow direction below the seat
0
01 98765432 10
Operating pressure [bar]
Pilot pressure [bar]
ø80
CFB/CFI
DN25 DN32 DN40 DN50
5
10
15
20
25
DN65
Fig.12: Actuator ø80mm, control functionB andI, flow direction below the seat

Type 2000
Technical data
20
0
01 98765432 10
Operating pressure [bar]
Pilot pressure [bar]
ø100
CFB/CFI
DN32 DN40 DN50
5
10
15
20
25
DN65/PPS
DN65/PA
Fig.13: Actuator ø100mm, control functionB andI, flow direction below the seat
0
01 98765432 10
Operating pressure [bar]
Pilot pressure [bar]
ø125
CFB/CFI
DN40 DN50
DN65
5
10
15
20
25
DN80
Fig.14: Actuator ø125mm, control functionB andI, flow direction below the seat
Minimum control pressure when flow direction above the seat
(Medium flow in valve closing direction)
Required minimum control pressure depending on the operating pressure
The following graphs show the required minimum control pressure for the respective control function de-
pending on the operating pressure.
0 1 98765432 10
Operating pressure [bar]
Pilot pressure [bar]
ø40
CFA
DN20 DN15
2
10
12
14
16
4
8
6
0
Fig.15: Actuator ø40mm, control functionA, flow direction above the seat