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NRG 26-40
User Manual
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Flowserve NRG 26-40 User Manual

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Page 1
GESTRA
GESTRA Steam Systems
NRG 26-40
Installation Instructions 810274-02
Level electrode NRG 26-40
1
Page 2
Contents
Page
Important Notes
Explanatory Notes
Technical data
Design
Key .......................................................................................................................................................11
Functional Elements
NRG 26-40 ...........................................................................................................................................10
Key .......................................................................................................................................................11
Installation
NRG 26-40 ...........................................................................................................................................12
Attention ...............................................................................................................................................12
Note .....................................................................................................................................................12
Tools .....................................................................................................................................................12
Examples of installation NRG 26-40 ..................................................................................................... 13
Key .......................................................................................................................................................14
2
Page 3
Contents continued
Page
Wiring
NRG 26-40 ...........................................................................................................................................15
Aligning terminal box ............................................................................................................................ 15
Note .....................................................................................................................................................15
Wiring diagram ..................................................................................................................................... 16
Attention ...............................................................................................................................................17
Tools .....................................................................................................................................................17
Basic Settings
CAN Bus ...............................................................................................................................................18
Node ID ................................................................................................................................................18
Attention ...............................................................................................................................................18
Factory setting ......................................................................................................................................18
Factory set default node IDs .................................................................................................................. 19
Assigning / changing node ID ................................................................................................................ 19
Attention ...............................................................................................................................................19
Measuring range ................................................................................................................................... 21
Commissioning
Operation
Adjusting the attenuation of the level controller ............................................................................... 22-23
Malfunctions
Fault finding list for troubleshooting ................................................................................................ 23-24
Decommissioning
Danger .................................................................................................................................................25
Disposal................................................................................................................................................25
Annex
3
Page 4
Important Notes
Usage for the intended purpose
Use level electrode NRG 26-40 only in conjunction with switching controller NRS 2-40 or level controller NRR 2-40 for level indication in electrically conductive or non-conductive liquids.
Safety note
The equipment must only be installed and commissioned by qualified and adequately trained personnel.
Maintenance and retrofitting must only by performed by entrusted personnel who – through adequate training – have achieved a recognised level of competence.
Danger
When loosening the electrode live steam or hot water might escape. This presents the danger of severe scalding. It is therefore essential not to dismantle the electrode unless the boiler pressure is verified to be zero.
The electrode is hot during operation. This presents the risk of severe burns to hands and arms. Installation and maintenance work should only be carried out when the system is cold.
If the internal ceramic insulation breaks, hot steam can escape through the lateral vent hole on the electrode body. This presents the risk of severe scalding. Do not stay near the electrode during operation.
Attention
The name plate indicates the technical specification of the equipment. Do not commission or operate equipment without a name plate.
ATEX (Atmosphère Explosible)
According to the European Directive 94/9/EC the equipment must not be used in explosion-risk areas.
Explanatory Notes
Scope of supply
NRG 26-40
1 Level electrode type NRG 26-40 1 Joint ring (of stainless steel 1.4301) D 27 x 32 to DIN 7603, bright annealed 1 Terminating resistor 120 1 Installation manual
4
Ω
Page 5
Explanatory Notes continued
Description
The level electrode NRG 26-40 works according to the capacitance measurement principle. The NRG 26-40 is used for signalling different levels in conductive and non-conductive liquids:
■
Water level maintained within the control band defined by two preset limits.
Use level electrode NRG 26-40 in combination with level switch type NRS 2-40 or further system components. The level data are transferred to the level switch or another system component via the CAN data bus, adopting the CANopen protocol.
Function
The principle of capacitance measurement is applied to determine the level. The electrode rod and the vessel wall form the plates of a capacitor. If the level of the dielectric located between these two capacitor plates changes, the current which flows through the plates changes proportionally to the level. A dielectric is by definition an insulating substance, which excludes many liquids such as water. In order to receive a useful measuring result the measuring rod, which is submerged to varying depths in the liquid, must be completely insulated. After the calibration of the zero point/measuring range (0 %/100 %) the level can be read off from a remote display unit. The level measuring range can be changed during operation.
At regular intervals the level electrode NRG 26-40 sends a data telegram to the level switch NRS 2-40 or level controller NRR 2-40. The data transfer is effected by means of a CAN bus according to DIN ISO 11898 using the CANopen protocol.
System components
NRS 2-40
Digital switching controller for level electrodes type NRG 26-40. Functions: Four liquid levels with one switchpoint each, MAX alarm, MIN alarm, pump ON, pump OFF with one switchpoint each, water level continuously within the predefined control band. Data exchange: CAN bus to DIN ISO 11898, using CANopen protocol.
NRR 2-40
Digital level controller for level electrodes type NRG 26-40. Functions: Four liquid levels with one switchpoint each, MAX alarm, MIN alarm, pump ON, pump OFF with one switchpoint each, water level continuously within the predefined control band. Data exchange: CAN bus to DIN ISO 11898, using CANopen protocol.
URB 1, URB 2
Control terminal & display unit. Functions: Parameterization and visual display (LCD). Data exchange: CAN bus to DIN ISO 11898, using CANopen protocol.
Design
NRG 26-40:
Screwed design ¾" BSP, EN ISO 228-1. Fig. 2
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Technical data
NRG 26-40
Type Approval Nº
TÜV · WR · 04-399
Max. service pressure
32 bar g at 238°C
Connections
Screwed ¾" BSP, EN ISO 228-1
Materials
Case: Die cast aluminium 3.2161 (G AlSi8Cu3) Stem: S. S. 1.4571 (X6CrNiMoTi17-12-2) Measuring electrodes: S. S. 1.4401 (X5CrNiMo17-12-2) Electrode insulation: PTFE
Length supplied/measuring range see Fig. 2
Supply voltage
18 – 36 V DC
Current consumption
65 mA
Fuse
Thermal fuse T
= 80 °C
max
Hysteresis
-2 K
Data exchange
CAN bus acc. to DIN ISO 11898, CANopen protocol
Attenuation, signal output
19 sec.
Indicators and adjustors
1 green LED “C 1 red LED “b
an bus CommuniCation”
us fault”
1 10-pole code switch for node ID and baud rate settings
Electric connection
M 12 sensor connector, 5 poles, A-coded, M 12 sensor jack, 5 poles, A-coded
Protection
IP 65 to DIN EN 60529
Max. admissible ambient temperature
70 °C
Weight
approx. 2.5 kg
6
Page 7
Technical data continued
H= mm
GESTRA AG
Münchener Str. 77 D-28215 Bremen
18-36 V DC
Betriebsanleitung beachten!
See installation instructions!
Voir instructions de montage!
Tmax = 70°C (158 °F)
IN/OUT: CAN-Bus
TÜV.WR. 04 - 399
PmaxPmax TmaxTmax
NRG 26 - 40
PN40 G3/4 NPT 1.4571 IP65
Niveauelektrode Level electrode
Électrode de niveau
32 bar (464psi)
238°C (460°F)
Node ID: __ __ __
VS-Nr.:
Mat-Nr.:391798
Corrosion resistance
When used for its intended purpose the safe functioning of the electrode will not be impaired by corrosion.
Sizing
The electrode body must not be subjected to sharp increases in pressure. Welds and flanges of the electrode are designed to withstand dynamic loading (bending and alternating stress). The dimensional allowances for corrosion reflect the latest state of technology.
Name plate / marking
Designation of the equipment
Fig. 1
7
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Technical data continued
GESTRA SteamSys tems
GESTRA NRG 26-40
Dimensions NRG 26-40
337.5
1 2
3726
173
Depth: 70 mm
¾" EN ISO 228-1
3
140
1 2
1373 1477 1583 1688 1794 1899
1004 1110 1214 1319 1423 1528 1636 2156
1300 1400 1500 1600 1700 1800 1900
1000 1100 1200 1300 1400 1500 2000
Fig. 2
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Design
B
GESTRASt eamSystems
GESTRA NRG 26-40
NRG 26-40
A
Fig. 3
Fig. 4
D
C
∅ 33
¾" DIN 228
B
N 1
N 10
0.5
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Functional Elements
H
1
1
2 3 5 6 74
8
9
10
ON
1
2
3
4
5
MAX 70°C
MAX 95%
%
IP 65
GESTRA Steam Systems
GESTRA NRG 26-40
NRG 26-40
MAX 70 °C
MAX 95 %
Fig. 5
M
E
Fig. 6
F
F
G
H
L
I
J
K
10
Page 11
Design / Functional Elements continued
Key
A Thermal insulation, provided on site, d = 20 mm (outside of thermal insulation of steam
generating unit)
B Seating surface
C Joint ring (of stainless steel 1.4301) D 33 x 39 to DIN 760, bright annealed
D Electrode thread ¾", EN ISO 228-1
E Housing screws M 4
F M 12 sensor connector, 5 poles, A-coded, M 12 sensor jack, 5 poles, A-coded
G Housing cover
H 10-pole code switch (for setting node ID and baud rate)
I Green LED “Can bus CommuniCation”
J Red LED “Bus fault”
K Terminal strip
L PE connection
M Plug
1 Max. length of installation at 238 °C
2 Measuring range
3 Adjustable control range
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Installation
NRG 26-40
1. Check seating surfaces of threads or flange provided on vessel or boiler standpipe. Fig. 4
2. Place joint ring
3. Apply a light smear of silicone grease (e. g. Molykote 111) to electrode thread
4. Screw level electrode into threads or flange provided on vessel or boiler standpipe and tighten with a 41 mm open-end spanner. The torque required is 160 Nm
5. When mounting two electrodes in one flange install the first electrode as described under item 4. Before installing the second electrode loosen the plug and remove cable connectors from circuit board. Screw in electrode. Slightly tighten plug Install PE connection
C onto seating surface B of the electrode Fig. 3.
D.
when cold.
M, unscrew PE connection
M.
L, fix cable connectors.
Attention
■ The seating surfaces of the threads or flange provided on the vessel or boiler standpipe
must be accurately machined. Fig. 4
■ Do not bend electrode rod when mounting.
■ Use only joint ring (of S.S. type 1.4301) D 33 x 39 to DIN 7603 supplied with electrode.
■ Electrode body must not be included in the thermal insulation of the steam boiler.
■ Do not insulate electrode thread with hemp or PTFE tape.
Note
■
For the approval of the boiler standpipe with connecting flange the relevant local or
national regulations must be considered.
■
See four examples of installation on page 13.
Tools
■ Open-end spanner mm A. F. 18
■ Open-end spanner mm A. F. 41
Molykote® 111 is a registered trademark of DOW Corning Corp., Midland Michigan, USA
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Page 13
Installation continued
1
12
5
6
4
Examples of installation NRG 26-40
Fig. 7
4
8
≤ 90°
∅ 20
¾" BSP
¾" BSP
DN 50
≥10
¾" BSP
∅ 20
1 2
3
20
5 6
9
0
Fig. 8
≤ 1500
4
8
≤ 90°
∅ 20
¾" BSP
DN 50
≥10
¾" BSP
1 2
∅ 20
3
20
5 6
9
0
1
1
3
2
DN 100
24.5 24.5
∅ 20
20
4
≤ 3000
5 7
8
DN 20
≥ 20
4
ME
5
9
≥10
≤ 90°
∅ 20
!
DN 20
9
≥ 20
Fig. 9
Fig. 10
DN 20
13
Page 14
Installation continued
Key
1 Flange PN 40, DN 50 (2"), DIN 2527
Flange PN 40, DN 100 (4"), DIN 2527
2 For the approval of the boiler standpipe with connecting flange the relevant
regulations must be considered.
3 Vent hole Provide vent hole as close as possible to the boiler wall.
4 High water (HW)
5 Electrode rod d = 15 mm
6 Protection tube DN 80
7 Protection tube DN 100
8 Electrode distance ≥ 14 mm
9 Low water (LW)
0 Reducer K-88.9 x 3.2-42.4 x 2.6 W to DIN 2616, part 2!
! Reducer K-114.3 x 3.6-48.3 x 2.9 W to DIN 2616, part 2
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Wiring
NRG 26-40
Note that screened multi-core twisted-pair control cable is required, e. g. UNITRONIC® BUS CAN 2 x 2 x ... mm2 or RE-2YCYV-fl 2 x 2 x ... mm2.
Prefabricated control cables (with connector and coupler) of various lengths for connecting the equipment are available as accessories.
The baud rate (data transfer rate) dictates the cable length between the bus nodes and the total power consumption of the sensor dictates the conductor size.
S 8 S 9 S 10 Baud rate Cable length
OFF ON OFF 250 kBit/s 125 m
Factory setting
ON ON OFF 125 kBit/s 250 m 2 x 2 x 0.5
OFF OFF ON 100 kBit/s 335 m 2 x 2 x 0.75
ON OFF ON 50 kBit/s 500 m
OFF ON ON 20 kBit/s 1000 m
ON ON ON 10 kBit/s 1000 m
Number of pairs
and conductor size [mm2]
2 x 2 x 0.34
on request, dependent on
bus configuration
The baud rate is set via a code switch. Reduce baud if cable is longer than specified in the table above. Make sure that all bus nodes feature the same settings.
To protect the switching contacts fuse circuit with 2.5 A (anti-surge fuse) or according to TRD regulations (1.0 A for 72 hrs operation).
When a max. cable length of more than 125 m (up to 1000 m) is desired, make sure to modify the baud rate accordingly. Refer to pages 19 and 20 for more details.
Aligning terminal box
1. Unscrew screws E, remove housing cover G. Fig. 5
2. Loosen screw M with 17 mm spanner but do not remove. Fig. 6
The electrode terminal can be turned through +/– 180°.
3. Turn electrode terminal into desired direction (+/–180°).
4. Tighten plug
M with a torque of 25 Nm.
5. Set node ID (see “Basic Settings”, “Configure level electrode”).
6. Replace housing cover G and fasten screws E.
Note
■ Wire the control cable according to the wiring diagram with connector and coupler.
UNITRONIC® is a registered trademark of LAPP Kabelwerke GmbH, Stuttgart
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Page 16
NRG 26-40
_
1
2
3
4
5
C
L
S
C
H
+
C
L
H
C
1
1
2 3 5 6 74
8
9
10
ON
24V DC
CAN - Bus
S
Wiring continued
5 5 5 555
+
-
LCH
C
S
Wiring diagram
Electrode rod
Code switch
Terminating resistor 120 Ω, paired cable.
3
2 1 5 46 3 4 1 5 2
Operating device URB 1
CEP
Central earthing point
Controller NRS ... LRR ... TRS ...
e.g. UNITRONIC® BUS CAN 2 x 2 x...
e.g. UNITRONIC® BUS CAN 2 x 2 x...
1 Screen 2 Voltage supply 24V DC+ 3 Voltage supply 24V DC- 4 CAN Data line C 5 CAN Data line C 6 Terminating resistor 120 Ω
Level electrode Conductivity electrode NRG ... LRG ...
2
2
H
L
Temperature transmitter TRV ...
Coupler with terminating resistor 120
Fig. 11
UNITRONIC® is a registered trademark of LAPP Kabelwerke GmbH, Stuttgart
Ω
16
Connector with terminating
resistor 120
Ω
Page 17
Wiring continued
Attention
■ Wire equipment in series. Star-type wiring is not permitted!
■ Interlink screens of control cables such that electrical continuity is ensured and
connect them once to central earthing point (CEP).
■ In a CAN bus network the first and the last equipment must be provided with a
terminating resistor of 120
■ The CAN bus network mut not be interrupted while operating.
An interruption will result in high/low level alarm.
Tools
■ Screwdriver for cross head screws, size 1
■ Screwdriver for slotted screws, size 2.5, completely insulated according to VDE 0680
■ Open-end spanner 17 mm A. F.
Ω. Fig. 11
17
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Basic Settings
CAN Bus
All level and conductivity controllers and associated electrodes are interconnected by means of a CAN bus adopting the CANopen protocol. Every item of equipment features an electronic address (Node ID). The four-core bus cable serves as power supply and data highway for high-speed data exchange.
The CAN address (Node ID) can be set between 1 and 123. The NRG 26-40 is configured at our works and ready for service with other GESTRA system
components without having to set the node ID.
If several systems of the same kind are to communicate in one CAN bus network, be sure to assign one node ID for each individual system component (e. g. controller). Refer to the following pages for more details.
Node ID
Reserved NRS 2-40 NRR 2-40 NRG 26-40 Reserved
X - 2 X - 1 X X + 1 X + 2
39 40 41 Factory setting
Reserved area
Attention
The node IDs of the individual devices have to be adjusted manually. For more information refer to the respective installation manuals.
Factory setting
The level electrode features the following factory set default values:
■ Baud rate: 250 kB/s
■ Sensitivity: 10 µS/cm
■Node ID: 041
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Basic Settings continued
H
1
1
2 3 5 6 74
8
9
10
ON
1
2
3
4
5
NRS 1-40 ID: 001 NRS 1-40.1 ID: 001 NRS 1-41 ID: 006 NRS 1-42 ID: 020 NRS 2-40 ID: 039 NRR 2-40 ID: 040 LRR 1-40 ID: 050
NRG 16-40 ID: 002 NRG 16-40 ID: 003 NRG 16-41.1 ID: 004 TRV 5-40 ID: 005 NRG 16-41 ID: 007 NRG 16-42 ID: 021 NRG 26-40 ID: 041 LRG 16-40 ID: 051
Factory set default node IDs
Switching Controller Level electrode
Assigning / changing node ID
If several systems of the same kind are to communicate in one CAN bus network, be sure to establish one node ID for each individual system component (e. g. controller).
1. Undo screws
2. Change code switch
3. Re-attach housing cover
E and remove housing cover G.
H settings as required. For more information refer to page 20.
G and fix it with screws E.
Attention
■ Do not assign the same node ID twice within the CAN bus network.
Fig. 12
H
19
Page 20
1 098765432
NO
1 098765432
NO
Basic Settings continued
Code switch settings
H H
▲
S1
ON
OFFS2
ONS3
OFFS4
ONS5 OFFS6 OFFS7
Fig. 13 (Factory setting)
S8
S9 S0
OFF
ON
OFF
ON
ON
OFF OFF
Node ID
1 2 4
8 16 32 64
OFFON
OFF
ON ON
Baud rate
250 kBit/s
125 kBit/s 100 kBit/s
50 kBit/s
ON 20 kBit/sONOFF 1000 m ON 10 kBit/sONON 1000 m
Fig. 15 (Factory setting 250 kBit/s)
21
▲
S1
ON ONS2 ONS3
OFFS4 OFFS5 OFFS6
ONS7
Fig. 14 (Example)
Length of cable
Node ID
125 m
250 m 335 m 500 m
71
1 2 4
8 16 32 64
20
Page 21
Basic Settings continued
Measuring range
2 Measuring range at 25 °C 3 Adjustable control range [mm]
37
2
1
3
Lower measuring point
26
21
Page 22
Commissioning
Check wiring
Check whether the level electrode NRG 26-40 and the corresponding system components NRS 2-40 / NRR 2-40 have been wired according to wiring diagram Fig. 11.
Apply mains voltage
Turn on power for level switch NRS 2-40/ level controller NRR 2-40.
Operation
Level electrode with CAN bus
Operation in conjunction with switching controller NRS 2-40 in (pressurised) hot water installations and steam plants to TRD 401, TRD 602, TRD 604, EN 12952, EN 12953 or according to national regulations.
Note
■
To analyse and eliminate malfunctions refer to “Fault finding list for troubleshooting” on
pages 23 - 24.
Adjusting the attenuation of the level controller
If the liquid level changes considerably over a short period of time during operation, the attenuation setting of the level signal should be modified. The default attenuation value set at our works is 19 seconds.
1. Undo screws
2. Write down the node ID and the baud rate. Pull out the CAN bus connector.
2. Set code switch S 1 to ON, S 2 – S 7 to OFF.
E and remove housing cover G.
S 1 S 2 S 3 S 4 S 5 S 6 S 7 ON OFF OFF OFF OFF OFF OFF
3. Use code switches S 8 – S 10 to set the attenuation value.
S 8 S 9 S 10 Attenuation [s]
OFF OFF OFF 3
ON OFF OFF 5
OFF ON OFF 7
ON ON OFF 9
OFF OFF ON 15
ON OFF ON 19
OFF ON ON 25
ON ON ON 29
22
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Operation continued
Adjusting the attenuation of the level controller continued
4. Re-insert the CAN bus connector. Green LED 1 illuminated: The new attenuation setting has been accepted.
Red LED 2 illuminated: The new attenuation setting has not been accepted. Repeat the adjustment procedure or replace the electronic insert.
5. Pull out the CAN bus connector. Set the original node ID and baud rate. Re-insert the CAN bus connector. The level electrode will now use the new attenuation setting.
6. Replace housing cover
G and use screws E to fix it.
Malfunctions
Fault finding list for troubleshooting
The equipment fails to work – no function
Fault: In spite of correct wiring and commissioning of the equipment an interference signal
is indicated.
Remedy: The interference signal is caused by H. F. interferences coming from the installation. For
interference suppression of the voltage supply we supply ferrite rings, stock code 147253. The 230 V supply lines should be looped through the ferrite ring five to ten times. If several controllers are used in the system, they can be fed from the interference suppressed supply lines. For the interference suppression of the bus line we supply hinged-shell ferrite rings, stock code 147254. The hinged-shell ferrite rings are clamped onto the bus line close to the terminal strip of the controller.
Fault: LED “Power” does not light up. Remedy: Apply mains voltage. Wire equipment according to the wiring diagram.
Fault: The thermal fuse has been triggered. Remedy: The ambient temperature must not exceed 70°C.
Fault: The electrode housing does not have earth connection to the boiler. Remedy: Clean seating surfaces and insert metal joint ring (of stainless steel 1.4301)
D 33 x 39 to DIN 7603.
Do not insulate level electrode with hemp or PTFE tape.
Fault: The LED I does not light up. No data exchange. Remedy:
Check level switch/controller. Connect electrode according to the wiring diagram.
23
Page 24
Malfunctions continued
Fault finding list for troubleshooting continued
The equipment does not work accurately
Fault: The electrode has been installed without protection tube.
The protection tube serves as reference electrode.
Remedy: Install protection tube.
Fault: The desired zero point is not within the measuring range of the electrode.
The electrode is too short.
Remedy: Replace level electrode. Choose adequate electrode length.
Fault: Dirt deposits have accumulated on the electrode rod. Remedy: Remove level electrode and clean electrode rod with a wet cloth.
Fault: The internal seal of the electrode rod is damaged. Remedy: Replace level electrode.
Fault: The vent hole in the protection tube does not exist, is obstructed of flooded. Remedy: Check protection tube and, if necessary, provide vent hole.
Fault: The level electrode responds too slowly to changes in the liquid level. Remedy: Rectify the attenuation setting.
Fault: The isolating valves of the external measuring pot (optional) are closed. Remedy: Open isolating valves.
If faults occur that are not listed above or cannot be corrected, please contact our service centre or
If faults occur that are not listed above or cannot be corrected, please contact our service centre or
authorized agency in your country.
authorized agency in your country.
24
Page 25
Decommissioning
Danger
Risk of severe burns and scalds to the whole body! Before removing the level electrode make sure that the vessel and the measuring pot are
depressurised (O bar) and cooled down to room temperature (20 °C).
Disposal
Remove the level electrode and separate the waste materials, using the material specifications as a reference. Electronic components (circuit boards) must be disposed of properly.
For the disposal of the level electrode observe the pertinent legal regulations concerning waste disposal.
Annex
Declaration of conformity
We hereby declare that the equipment NRG 26-40 conforms to the following European guidelines:
■
LV guideline 73/23/eec version 93/68/eec
■
EMC guideline 89/336/eec version 93/68/eec
■ ATEX Directive 94/9/EC of 23 March 1994
This declaration is no longer valid if modifications are made to the equipment without consultation with us.
Dipl.-Ing. Uwe Bledschun
(Academically qualified engineer)
Head of the Design Dept.
Bremen, 3rd January 2005
GESTRA AG
Dipl.-Ing. Lars Bohl
(Academically qualified engineer)
Quality Assurance Manager
25
Page 26
For your notes
26
Page 27
For your notes
27
Page 28
Agencies all over the world:
www.gestra.de
GESTRA
España
GESTRA ESPAÑOLA S.A.
Luis Cabrera, 86-88 E-28002 Madrid Tel. 00 34 91 / 5 15 20 32 Fax 00 34 91 / 4 13 67 47; 5 15 20 36 E-mail: aromero@flowserve.com
Great Britain
Flowserve Flow Control (UK) Ltd.
Burrel Road, Haywards Heath West Sussex RH 16 1TL Tel. 00 44 14 44 / 31 44 00 Fax 00 44 14 44 / 31 45 57 E-mail: gestraukinfo@flowserve.com
Italia
Flowserve S.p.A.
Flow Control Division Via Prealpi, 30 l-20032 Cormano (MI) Tel. 00 39 02 / 66 32 51 Fax 00 39 02 / 66 32 55 60 E-mail: infoitaly@flowserve.com
Polska
GESTRA POLONIA Spolka z.o.o.
Ul. Schuberta 104 PL - 80-172 Gdansk Tel. 00 48 58 / 3 06 10 -02 od 10 Fax 00 48 58 / 3 06 33 00 E-mail: gestra@gestra.pl
Portugal
Flowserve Portuguesa, Lda.
Av. Dr. Antunes Guimarães, 1159 Porto 4100-082 Tel. 0 03 51 22 / 6 19 87 70 Fax 0 03 51 22 / 6 10 75 75 E-mail: jtavares@flowserve.com
USA
Flowserve GESTRA U.S.
2341 Ampere Drive Louisville, KY 40299 Tel.: 00 15 02 / 502 267 2205 Fax: 00 15 02 / 502 266 5397 E-mail: dgoodwin@flowserve.com
GESTRA AG
P. O. Box 10 54 60, D-28054 Bremen Münchener Str. 77, D-28215 Bremen Telephone +49 (0) 421 35 03- 0 Fax +49 (0) 421 35 03 -393 E-Mail gestra.ag@flowserve.com Internet www.gestra.de
810274-02/206cm · © 1998 GESTRA AG · Bremen · Printed in Germany
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