English (UK)

Actuators
SQ 05.2 – SQ 14.2/SQR 05.2 – SQR 14.2
SQEx 05.2 – SQEx 14.2/SQREx 05.2 – SQREx 14.2
AUMA NORM (without controls)
Manual
Functional Safety
Table of contents
Actuators
SQ.2 AUMA NORM (without controls)
NOTICE for use!
This document is only valid in combination with the current operation instructions enclosed with the device.
Purpose of the document:
The present documents informs about the actions required for using the device in safety-related systems in
accordance with IEC 61508 or IEC 61511.
Reference documents:
●
EXIDA Report No. AUMA 13/06-74 R011, V1R0
●
Operation instructions (Assembly, operation, commissioning) for actuator
Reference documents can be downloaded from the Internet (www.auma.com) or ordered directly from AUMA
(refer to <Addresses>).
Table of contents
Page
1.
1.1.
Terminology............................................................................................................................
Abbreviations and concepts
4
4
2.
2.1.
2.2.
2.3.
Application and validity.........................................................................................................
Range of application
Standards
Valid device types
6
6
6
6
3.
3.1.
3.2.
3.3.
Architecture, configuration and applications......................................................................
Architecture (actuator sizing)
Configuration (setting)
Applications (environmental conditions)
7
7
7
7
4.
4.1.
4.2.
4.3.
Safety instrumented system and safety function...............................................................
Safety instrumented system including an actuator
Safety function
Redundant system architecture
8
8
8
8
5.
5.1.
5.2.
5.3.
5.4.
5.5.
Installation, commissioning and operation.........................................................................
Installation
Commissioning
Operation
Lifetime
Decommissioning
10
10
11
11
11
11
6.
6.1.
6.2.
6.2.1.
6.2.2.
6.2.3.
6.2.4.
6.3.
6.4.
Tests and maintenance..........................................................................................................
Safety equipment: check
Proof test (verification of safe actuator function)
Preliminary tests
ESD safety operation (safe operation in direction OPEN/CLOSE): check
"Reaction monitoring" fault signal: check
Torque switches: check
Reaction monitoring/Partial Valve Stroke Test (PVST)
Maintenance
12
12
12
12
12
13
13
13
13
7.
7.1.
7.2.
Safety parameters..................................................................................................................
Determination of the parameters
Specific parameters for actuators of SQ .2 type range
14
14
14
2
Actuators
SQ.2 AUMA NORM (without controls)
8.
Table of contents
SIL Declaration of Conformity (example).............................................................................
15
Index........................................................................................................................................
17
Addresses...............................................................................................................................
18
3
Actuators
SQ.2 AUMA NORM (without controls)
Terminology
1.
Terminology
Information sources
●
●
1.1.
IEC 61508-4, Functional safety of electrical/electronic/programmable electronic
safety-related systems – Part 4: Definitions and abbreviations
IEC 61511-1, Functional safety - Safety instrumented systems for the process
industry sector – Part 1: Framework, definitions, system, hardware and software
requirements
Abbreviations and concepts
To evaluate safety functions, the lambda values or the PFD value (Probability of
Dangerous Failure on Demand) and the SFF value (Safe Failure Fraction) are the
main requirements. Further figures are required to assess the individual components.
These figures are explained in the table below.
Table 1: Abbreviations of safety parameters
Figure
λS
English
Lambda Safe
Description
Number of safe failures
λD
Lambda Dangerous
Number of dangerous failures
λ DU
Lambda Dangerous Undedected
λ DD
Lambda Dangerous Dedected
Number of undetected dangerous failures
Number of detected hazardous failures
DC
Diagnostic Coverage
MTBF
SFF
PFDavg
HFT
Tproof
SIL
Diagnostic Coverage - ratio between
the failure rate of dangerous failures
detected by diagnostic tests and total
rate of dangerous failures of the component or subsystem. The diagnostic
coverage does not include any failures
detected during proof tests.
Mean Time Between Failure
Mean time between two failures following one after the other
Safe Failure Fraction
Fraction of safe failures
Average Probability of dangerous Fail- Average probability of dangerous failure on Demand
ures on demand of a safety function.
Hardware Failure Tolerance
Ability of a functional unit to execute a
required function while faults or deviations are present. HFT = n means that
the function can still be safely executed
for up to n faults occurring at the same
time.
Time for proof
Interval for proof test
Safety Integrity Level
The international standard IEC 61508 defines 4 levels (SIL 1 through SIL 4).
Safety function
Safety instrumented
function (SIF)
Safety instrumented
system (SIS)
Safety-related system
Function to be implemented by a safety-related system for risk reduction with the
objective to achieve or maintain a safe state for the plant/equipment with respect to
a specific hazardous event.
Function with defined safety integrity level (SIL) to achieve functional safety.
Safety instrumented system for executing a single or several safety instrumented
functions. A SIS consists of sensor(s), logic system and actuator(s).
A safety-related system includes all factors (hardware, software, human factors)
necessary to implement one or several safety functions. Consequently failures of
safety function would result in a significant increase in safety risks for people and/or
the environment.
A safety-related system can comprise stand-alone systems dedicated to perform a
particular safety function or can be integrated into a plant.
4
Actuators
SQ.2 AUMA NORM (without controls)
Terminology
Proof test
Periodic test performed to detect dangerous hidden failures in a safety-related system
so that, if necessary, a repair can restore the system to an "as new" condition or as
close as practical to this condition.
MTTR (Mean Time To
Restoration)
Mean time to restoration once a failure has occurred. Indicates the expected mean
time to achieve restoration of the system. It is therefore an important parameter for
system availability. The time for detecting the failure, planning tasks as well as
operating resources is also included. It should be reduced to a minimum.
5
Actuators
SQ.2 AUMA NORM (without controls)
Application and validity
2.
Application and validity
2.1.
Range of application
AUMA actuators with the safety function mentioned in this manual are intended for
operation of industrial valves and are suitable for use in safety instrumented systems
in accordance with IEC 61508 or IEC 61511.
2.2.
Standards
The actuators meet the following requirements:
●
●
●
●
2.3.
IEC 61508, Part 2.0: Functional safety of electrical/electronic/programmable
electronic safety-related systems
Low Voltage Directive (2006/95/EC)
Directive (EMC) (2004/108/EC)
Explosion protection according to ATEX (depending on version)
Valid device types
The data on functional safety contained in this manual applies to the device types
indicated.
Table 2: Suitable device types of SQ .2 type range
Type
SQ 05.2 – SQ 14.2
SQR 05.2 – SQR 14.2
SQEx 05.2 – SQEx 14.2
SQREx 05.2 – SQREx 14.2
AUMA
controls
Without
Motor
Type of duty
power supply
S2-15 min
3-phase AC
S2-30 min
S4-25 %
S4-50 %
Control
via external
controls
Parameters
table
3
Devices may not be altered without prior written consent by AUMA. Unauthorised
alterations may have a negative impacts on the devices' capability to execute a safety
function.
6
Actuators
SQ.2 AUMA NORM (without controls)
3.
Architecture, configuration and applications
3.1.
Architecture (actuator sizing)
Architecture, configuration and applications
For actuator architecture (actuator sizing) the maximum torques, running torques
and operating times are taken into consideration.
Incorrect actuator architecture can lead to device damage within the safetyrelated system!
Possible consequences can be valve damage, motor overheating, contactor jamming,
defective thyristors, heating up or damage to cables.
→ The actuator technical data must imperatively be observed when selecting the
actuator.
→ Sufficient reserves have to be provided to ensure that actuators are capable of
reliably opening or closing the valve even in the event of an accident or undervoltage.
Incorrect actuator sizing may cause a dangerous failure of the safety function on
demand.
3.2.
Configuration (setting)
Configuration (setting) of safety-relevant functions are performed as described in
the operation instructions or in the present manual (functional safety).
3.3.
Applications (environmental conditions)
When specifying and using the actuators within safety instrumented systems,
particular attention has to be paid that the permissible service conditions and the
EMC requirements by the peripheral devices are met. Service conditions are indicated
in the technical data sheets:
Enclosure protection
Corrosion protection
Ambient temperature
Vibration resistance
If the actual ambient temperatures exceed an average of +40 °C, the lambda values
have to be incremented by a safety factor. For an average temperature of +60 °C,
this factor is defined at 2.5.
●
●
●
●
7
Safety instrumented system and safety function
4.
Safety instrumented system and safety function
4.1.
Safety instrumented system including an actuator
Actuators
SQ.2 AUMA NORM (without controls)
Typically, a safety instrumented system including an actuator is composed of the
components as shown in the figure.
Figure 1: Typical safety instrumented system
[1]
[2]
[3]
[4]
[5]
Sensor
Controls (safety PLC)
Actuator
Valve
Distributed control system (DCS)
The safety integrity level is always assigned to an overall safety instrumented system
and not to an individual component.
For an individual component (e.g. an actuator), safety parameters are determined.
These parameters are used to assign the devices to a potential safety integrity level
(SIL). The final classification of the safety instrumented system can only be made
after assessing and calculating the overall system.
4.2.
Safety function
To determine the safety parameters, the safety function of the device (function which
has to be performed in case of an emergency to operate the plant into a safe state)
has to be considered.
In calculating the safety parameters of the actuator, the following safety functions
are taken into account:
●
4.3.
ESD function (Emergency Shut Down): safe operation (in direction
OPEN/CLOSE)
A signal (standard: low active) causes the actuator to travel to the configured direction (OPEN/CLOSE).
Redundant system architecture
Besides the already described typical safety instrumented system including an
actuator, safety can be increased by integrating a second, redundant valve and
actuator into the safety instrumented system. The decision on the correct version
depends on the entire system.
8
Actuators
SQ.2 AUMA NORM (without controls)
Safety instrumented system and safety function
Figure 2: Redundant system with ESD for safe operation in direction CLOSE
Figure 3: Redundant system with ESD for safe operation in direction OPEN
9
Installation, commissioning and operation
5.
Installation, commissioning and operation
Information
5.1.
Actuators
SQ.2 AUMA NORM (without controls)
Installation and commissioning have to be documented by means of an assembly
report and an inspection certificate. Installation must be carried out exclusively by
suitably qualified personnel.
Installation
General installation tasks (assembly, electrical connection) have to be performed
according to the operation instructions pertaining to the device and the enclosed
order-specific wiring diagram.
Figure 4: Example of wiring diagram with thermoswitches, torque and limit switches
S1
S2
S3
S4
S5
Th
R1
●
●
●
●
●
10
Torque switch, closing, clockwise rotation
Torque switch, opening, counterclockwise rotation
Limit switch, closing, clockwise rotation
Limit switch, opening, counterclockwise rotation
Blinker transmitter
Thermoswitches
Heater
For actuators in version AUMA NORM, control functions have to be implemented
via external controls.
To ensure the safety parameters of the SQ type range in version AUMA NORM,
reaction monitoring or a Partial Valve Stroke Test (PVST) must be performed
at least once a month. If the actuator does not run to the direction preset for
the ESD function (irrespective of its former state) when required by the test, a
fault has to be signalled.
For SQ actuators in version AUMA NORM, both the reaction monitoring and
the PVST function also have to be implemented within the external controls.
Reaction monitoring
Reaction
4 seconds after a command has been set at the latest, the blinker signal (terminals XK 49/50) should indicate a flank transition from Low “0” to High “1”. If
this is not the case, a fault must be signalled.
Partial Valve Stroke Test (PVST)
The Partial Valve Stroke Test (PVST) is used to check the function of both actuator and valve. During this test, the function of the valve is tested by means
of partial opening or closing within a defined period of time without interrupting
the process.
If it is not possible to operate the actuator/valve when required by the test, a
fault must be signalled.
Signals of the thermoswitch, the torque and limit switches as well as the signal
of the blinker transmitter must be assessed within the external controls. They
contain diagnostic information and are therefore imperatively required.
In the event of a failure, the actuator must immediately be tested and repaired,
if required.
For versions with safety function ESD "Safe OPENING/CLOSING", 3-phase
power supply has to be provided.
Actuators
SQ.2 AUMA NORM (without controls)
5.2.
Installation, commissioning and operation
Commissioning
The operation instructions pertaining to the device must be observed for general
commissioning.
After commissioning, the safe actuator function must be verified. The verification
must at least comprise all tests described in the <Safety equipment: check> and
<Proof test (verification of safe actuator function)> chapters.
5.3.
Operation
Regular maintenance and device checks in the Tproof intervals as defined by the
plant operator are the basis for safe operation.
The operation instructions pertaining to the device must be observed for operation.
The plant operator is responsible for power supply.
5.4.
Lifetime
Actuator lifetime is described in the technical data sheets or the operation instructions.
Safety-related parameters are valid for the cycles or modulating steps specified in
the technical data for typical periods of up to 10 years. After this period, the probability
of failure increases.
5.5.
Decommissioning
When decommissioning an actuator with safety functions, the following must be
observed:
●
●
●
●
Impact of decommissioning on relevant devices, equipment or other work must
be evaluated.
Safety and warning instructions contained in the actuator operation instructions
must be met.
Decommissioning must be carried out exclusively by suitably qualified personnel.
Decommissioning must be recorded in compliance with regular requirements.
11
Actuators
SQ.2 AUMA NORM (without controls)
Tests and maintenance
6.
Tests and maintenance
Test and maintenance tasks may only be performed by authorised personnel who
have been trained on functional safety.
Information
6.1.
Any test/maintenance must be recorded in a test/maintenance report.
Safety equipment: check
All safety functions within a safety equipment must be checked for perfect functionality
and safety at appropriate intervals. The intervals for safety equipment checks are to
be defined by the plant operator.
6.2.
Proof test (verification of safe actuator function)
The proof test serves the purpose to verify the safety-related functions of the actuator.
Proof tests shall reveal dangerous faults which might remain undetected until a safety
function is started and consequently result in a potential danger.
For test of the safety function, this function is requested by external controls. As a
consequence, the actuator must perform the safety function without fault.
Information
The power supply of the actuator must also be considered during the proof test.
Intervals:
A proof test interval describes the time between two proof tests. Functionality must
be checked in appropriate intervals. The intervals are to be defined by the plant
operator.
In any case, the safety-related functions must be checked after commissioning and
following any maintenance work or repair as well as during the Tproof intervals defined
in safety assessment.
6.2.1.
Preliminary tests
The actuator system has to be subjected to a visual inspection first. The system
should be checked for outside damage and corrosion. Furthermore, the electrical
and mechanical connections should be checked and the actuator be monitored for
conspicuous noise. By means of run time measurement of the opening and closing
procedures, further faults can be detected in case of deviation.
6.2.2.
ESD safety operation (safe operation in direction OPEN/CLOSE): check
Configuration
The test is valid for the version with ESD function.
During the ESD function test, full valve stroke or full travel of the valve should be
performed.
Test procedure
When switching the external controls accordingly, safety operation into the desired
direction must be triggered.
Test sequence
1.
2.
3.
12
Operate actuator in mid-position or at sufficient distance from end positions.
Execute operation command (default operation) in opposite direction of the
configured ESD safety function:
→
For "safe operation in direction CLOSE" (ESD in direction CLOSE):
Start default operation command in direction OPEN.
→
For "safe operation in direction OPEN" (ESD in direction OPEN): Start
default operation command in direction CLOSE.
Start safety operation during default operation:
➥
Safety function is correct if the actuator stops and performs a safety operation
into the desired direction.
➥
No fault signal may be issued.
Actuators
SQ.2 AUMA NORM (without controls)
6.2.3.
"Reaction monitoring" fault signal: check
Configuration
6.2.4.
Tests and maintenance
The test is valid for the version with ESD function.
Test procedure
If the motor does not rotate within a defined time once a safety operation was
triggered, a fault must be signalled.
Test sequence
1.
2.
3.
Operate actuator in mid-position or at sufficient distance from end positions.
Lock motor operation to ensure manual drive remains engaged.
Start ESD safety operation:
➥
4.
The fault signal is correct if a fault is signalled within 4 seconds.
Once the test is complete, deactivate motor lock.
Torque switches: check
Torque switches are checked using the test buttons. Refer to relevant chapters in
the actuator operation instructions.
6.3.
Reaction monitoring/Partial Valve Stroke Test (PVST)
Safety parameters indicated for SQ.2 actuators in AUMA NORM version are only
valid in combination with monthly reaction monitoring or with monthly Partial Valve
Stroke Tests (PVST).
As described in the <Installation> chapter, the functions have to be implemented in
the external controls.
6.4.
Maintenance
Maintenance and service tasks may only be performed by authorised personnel who
have been trained on functional safety (refer to chapter 5).
Once maintenance and service tasks have been finished, the functional test must
be completed by a validating process of the safety function including at least the
tests described in the <Safety equipment: check> and <Proof test (verification of
safe actuator function)> chapters.
13
Actuators
SQ.2 AUMA NORM (without controls)
Safety parameters
7.
Safety parameters
7.1.
Determination of the parameters
●
●
●
The calculation of the safety instrumented parameters is based on the indicated
safety functions. Hardware assessments are based on Failure Modes, Effects
and Diagnostic Analysis (FMEDA). FMEDA is a step to assess functional device
safety in compliance with IEC 61508. On the basis of FMEDA, the failure rates
and the fraction of safe failures of a device are determined.
Experience data and data taken from the EXIDA database for mechanical
components is used to deduce failure rates. The electronic failure rates as base
failure rates are taken from the SIEMENS Standard SN 29500.
In compliance with table 2 of IEC 61508-1, the average target PFD values for
systems with low demand mode are:
-2
-1
SIL 1 safety functions: ≥ 10 to < 10
-3
-2
SIL 2 safety functions: ≥ 10 to < 10
-4
-3
SIL 3 safety functions: ≥ 10 to < 10
Since actuators only represent a part of the overall safety function, the actuator
PFD should not account for more than 25 % of the permissible total value
(PFDavg) of a safety function. This results in the following values:
Actuator PFD for SIL 2 applications: ≤ 2.50E-03
The electric actuators are classified as type A components with a hardware
fault tolerance of 0. The SFF for the type A subsystem should be <60 % according to table 2 of IEC 61508-2 for SIL 1 (subsystems with a hardware fault tolerance of 0). The SFF for the type A subsystem should be between 60 % and
<90 % according to table 2 of IEC 61508-2 for SIL 2 (subsystems with a hardware fault tolerance of 0).
802 hours were assumed for the MTTR. Out of these, 730 hours are used for the
diagnostic test interval (e.g. PVST) and 72 hours for the MRT.
●
As previously mentioned in the architecture section, safeguarding power supply and
resulting calculations are the responsibility of the plant operator.
The plant operator is responsible for complying with assumed MTTR. Otherwise the
data of the quantitative results is no longer valid.
7.2.
Specific parameters for actuators of SQ .2 type range
The following parameter table provides the safety parameters for the different
versions. Data records of safety instrumented parameters of all variants are available
within the EXIDA test report.
Table 3: SQ.2 type range in AUMA NORM version (without actuator controls)
SQ 05.2 – SQ 14.2/SQR 05.2 – SQR 14.2
SQEx 05.2 – SQEx 14.2/SQREx 05.2 – SQREx 14.2
Safety function
ESD
Reference
AUMA 13/06-74 R11
Version V1R0
0 FIT
λsafe
259 FIT
λ DD
14
λ DU
73 FIT
DCD
77 %
MTBF
SFF
T[proof] = 1 year
179 years
77 %
PFDavg = 8.24E-04
Actuators
SQ.2 AUMA NORM (without controls)
8.
SIL Declaration of Conformity (example)
SIL Declaration of Conformity (example)
15
SIL Declaration of Conformity (example)
16
Actuators
SQ.2 AUMA NORM (without controls)
Actuators
SQ.2 AUMA NORM (without controls)
Index
Index
A
Actuator definition
Ambient conditions
Architecture
7
7
7
C
Commissioning
Configuration
11
7
D
DC
Declaration of Conformity
Decommissioning
Device types
Diagnostic coverage (DC)
4
15
11
6
4
H
HFT
I
Installation
Interval for proof test
L
Lambda values
Lifetime
Low Demand Mode
M
MTBF
MTTR (Mean Time To Restoration)
Maintenance
Mean Time Between Failures
(MTBF)
O
Operation
P
PFD
PFD for actuator
Parameters, safety
Partial Valve Stroke Test
(PVST)
Probability of failure
Proof test
R
Range of application
Reaction monitoring
S
SFF
SIL
Safe failure fraction (SFF)
Safety function
Safety instrumented function
(SIF)
Safety instrumented system
Safety instrumented system
(SIS)
Safety-related system
Service conditions
Setting
Standards
T
T proof
Tests
4
4
4 , 14
4, 8
4
8
4
4
7
7
6
4
12
4
10
4
4 , 14
11
14
4
5
13
4
11
4
14
14
13
4 , 11
5 , 12 , 12
6
13
17
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MANZ INCORPORATED LTD.
NG Port Harcourt
Tel +234-84-462741
[email protected]
www.manzincorporated.com
AUMA worldwide
AUMA South Africa (Pty) Ltd.
ZA 1560 Springs
Tel +27 11 3632880
[email protected]
AUMA Actuators Middle East
BH 152 68 Salmabad
Tel +97 3 17896585
[email protected]
AUMA Malaysia Office
MY 70300 Seremban, Negeri Sembilan
Tel +606 633 1988
[email protected]
America
Mikuni (B) Sdn. Bhd.
BN KA1189 Kuala Belait
Tel + 673 3331269 / 3331272
[email protected]
Mustafa Sultan Science & Industry Co LLC
OM Ruwi
Tel +968 24 636036
[email protected]
AUMA Automação do Brazil ltda.
BR Sao Paulo
Tel +55 11 4612-3477
[email protected]
AUMA Actuators (Tianjin) Co., Ltd. Beijing
Branch
CN 100020 Beijing
Tel +86 10 8225 3933
[email protected]
cn.auma.com
FLOWTORK TECHNOLOGIES
CORPORATION
PH 1550 Mandaluyong City
Tel +63 2 532 4058
[email protected]
TROY-ONTOR Inc.
CA L4N 8X1 Barrie, Ontario
Tel +1 705 721-8246
[email protected]
PERFECT CONTROLS Ltd.
HK Tsuen Wan, Kowloon
Tel +852 2493 7726
[email protected]
M & C Group of Companies
PK 54000 Cavalry Ground, Lahore Cantt
Tel +92 42 3665 0542, +92 42 3668 0118
[email protected]
www.mcss.com.pk
AUMA Chile Representative Office
CL 9500414 Buin
Tel +56 2 821 4108
[email protected]
PT. Carakamas Inti Alam
ID 11460 Jakarta
Tel +62 215607952-55
[email protected]
Petrogulf W.L.L
QA Doha
Tel +974 44350151
[email protected]
Ferrostaal de Colombia Ltda.
CO Bogotá D.C.
Tel +57 1 401 1300
[email protected]
www.ferrostaal.com
AUMA INDIA PRIVATE LIMITED.
IN 560 058 Bangalore
Tel +91 80 2839 4656
[email protected]
www.auma.co.in
AUMA Saudi Arabia Support Office
SA 31952 Al Khobar
Tel + 966 5 5359 6025
[email protected]
Transcontinental Trading Overseas SA.
CU Ciudad Habana
Tel +53 7 208 9603 / 208 7729
[email protected]
ITG - Iranians Torque Generator
IR 13998-34411 Teheran
+982144545654
[email protected]
AUMA ACTUATORS (Singapore) Pte Ltd.
SG 569551 Singapore
Tel +65 6 4818750
[email protected]
www.auma.com.sg
AUMA Región Andina & Centroamérica
EC Quito
Tel +593 2 245 4614
[email protected]
www.auma.com
Trans-Jordan Electro Mechanical Supplies
JO 11133 Amman
Tel +962 - 6 - 5332020
[email protected]
NETWORK ENGINEERING
SY Homs
+963 31 231 571
[email protected]
AUMA JAPAN Co., Ltd.
JP 211-0016 Kawasaki-shi, Kanagawa
Tel +81-(0)44-863-8371
[email protected]
www.auma.co.jp
Sunny Valves and Intertrade Corp. Ltd.
TH 10120 Yannawa, Bangkok
Tel +66 2 2400656
[email protected]
www.sunnyvalves.co.th
DW Controls Co., Ltd.
KR 153-702 Gasan-dong, GeumChun-Gu,,
Seoul
Tel +82 2 2624 3400
[email protected]
www.actuatorbank.com
Top Advance Enterprises Ltd.
TW Jhonghe City, Taipei Hsien (235)
Tel +886 2 2225 1718
[email protected]
www.auma-taiwan.com.tw
AUMA Argentina Rep.Office
AR Buenos Aires
Tel +54 11 4737 9026
[email protected]
Corsusa International S.A.C.
PE Miraflores - Lima
Tel +511444-1200 / 0044 / 2321
[email protected]
www.corsusa.com
Control Technologies Limited
TT Marabella, Trinidad, W.I.
Tel + 1 868 658 1744/5011
www.ctltech.com
AUMA ACTUATORS INC.
US PA 15317 Canonsburg
Tel +1 724-743-AUMA (2862)
[email protected]
www.auma-usa.com
Suplibarca
VE Maracaibo, Estado, Zulia
Tel +58 261 7 555 667
[email protected]
Al-Arfaj Engineering Co WLL
KW 22004 Salmiyah
Tel +965-24817448
[email protected]
www.arfajengg.com
TOO “Armaturny Center”
KZ 060005 Atyrau
Tel +7 7122 454 602
[email protected]
Asia
AUMA Actuators UAE Support Office
AE 287 Abu Dhabi
Tel +971 26338688
[email protected]
AUMA Vietnam Hanoi RO
VN Hanoi
+84 4 37822115
[email protected]
Australia
BARRON GJM Pty. Ltd.
AU NSW 1570 Artarmon
Tel +61 2 8437 4300
[email protected]
www.barron.com.au
Network Engineering
LB 4501 7401 JBEIL, Beirut
Tel +961 9 944080
[email protected]
www.networkenglb.com
19
AUMA Riester GmbH & Co. KG
P.O.Box 1362
DE 79373 Muellheim
Tel +49 7631 809 - 0
Fax +49 7631 809 - 1250
[email protected]
www.auma.com
Y006.345/003/en/1.14
For detailed information on AUMA products refer to the Internet: www.auma.com