ITC DOSTEC AC Manual
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DOSTEC AC
ENGLISH

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  • Page 1 DOSTEC AC ENGLISH...
  • Page 2: Table Of Contents

    CONTENTS 1. GENERAL DESCRIPTION 2. PACKING AND STORAGE 3. TECHNICAL SPECIFICATIONS 4. OPERATION 4.1 Operating modes 4.1.1. Manual mode 4.1.2. Proportional mode 4.1.3. Analogue mode 4.1.4. Batch mode 4.1.5. Special Functions 4.2 Configuration 4.2.1 Pump calibration 4.2.2 Dosing mode 4.2.3 Configuration 4.2.4.
  • Page 3 5.4. Hydraulic installation 5.4.1. Installation examples 5.4.2. Installation recommendations 5.5. Accessories 5.5.1. Diaphragm leakage detector 5.5.2. Flow detector 5.5.3. Pressure sensor 5.5.4. Pulse output isolator 5.5.5. Additional ventilation 115 / 230 V 6. START-UP AND REGULATION 7. MAINTENANCE 7.1. Parts List AC3 Piston 7.2.
  • Page 4: General Description

    Product description 1. GENERAL DESCRIPTION Dostec AC is a diaphragm or piston dosing pump with advanced control for an accurate and efficient automatic dosing. This series allows many dosing possibilities depending on the chosen head. The flow range covers needs from 3 to 1200 l/h at a pressure of up to 20 bar. The choice of the correct head material between PP, PVDF and stainless steel allows the dosing of any commonly used chemical in the water treatment, chemical, food and agriculture industries.
  • Page 5: Packing And Storage

    Product description Code formulation MOTOR HEAD FREQUENCY STROKE AC1: 0.43 kW 110 V P: Piston 1: 26 strokes/min 1:4.5 mm AC2: 0.43 kW 230 V D:Diaphragm 2: 43 strokes/min 2: 7.5 mm AC3: 1.2 kW 230 V 3: 72 strokes/min 3: 9 mm 4: 144 strokes/min 4: 15 mm...
  • Page 6: Technical Specifications

    Product description 3. TECHNICAL SPECIFICATIONS SS (Slow Suction) PRESSURE *Suction Max. Max. FLOW FLOW lift viscosity viscosity* CODE GPH bar GPH mPa 73-AC3P44-P110_X 1200 317 500 (E) 73-AC3P44-P95_X 109 8 1500 (E) 73-AC3P44-P77_X 160 9 2000 (E) 73-AC2 73-AC1 P44-P77_M 800 (C) 73-AC3P43 -P77_X 174 9...
  • Page 7 Product description VOLTAGE: AC3: 230 V ± 10% AC2: 110 V ± 10% POWER: 0.43 kW (0.58 HP) 1.2 kW (1.6 HP) PROTECTION: IP-55 MATERIALS: Piston: P.E.U.A.P.M. / Ceramic / AISI316 Diaphragm: P.T.F.E. Fibre-reinforced elastomer base Retention: Cylinder: P.P. / PVDF / AISI316 Valve (body): P.P.
  • Page 8 Configuration Inputs/outputs • Analogue input 0/4 - 20 mA • RS-485 ModBus serial port • External pulse input • 4 - 20 mA log and monitoring output • Remote activation input (on/off) • Log output, monitoring and control of second •...
  • Page 9 Configuration 73-AC_D43-D115 73-AC_D42-D95 175- 340- 165- 320- 155- 300- 145- Bars Bars 73-AC_D43-D95 73-AC_D42-D115 290- 200- 52,5- 190- 270- 47,5- 180- 250- 170- Bars Bars 73-AC_D43-D115 340- 320- 300- Bars DIAPHRAGM PUMP AC3 73-AC3D33-D142 73-AC3D42-D142 480- 84.5- 320- 130- 460- 80.5- 305- 130-...
  • Page 10: Operation

    Configuration 220- 73-AC3D43-D163 73-AC3D44-D163 1240- 820 - 320- 210- 1200- 780 - 310- 200- 740 - 1160- 190- 300- 700 - 1120- 180- 290- 660 - 1080- 170- 280- 620 - 1040- Bars 270- Bars 72 PSI 4. OPERATION The rotational motion of the motor is transmitted by the reducer, which consists of two major components, the pinion (A) and the ring gear (B).
  • Page 11 Configuration LCD DISPLAY DESCRIPTION Advanced dosing function Programming locked 1 0 0 % flow 0240 Level 1 Level 2 1 4 4 Cycles/min l / h Flow rate fault Leakage ON/OFF MODE Overpressure Loss of pulse Mode Configuration Alarm Monitor Menus 4.1 Operating modes 4.2 Configuration...
  • Page 12: Operating Modes

    Configuration 4.1 OPERATING MODES 4.1.1. Manual mode This mode allows manual adjustment of the dosing flow rate. 0 0 0 0 0 0 0240 0240 Manual MODE: Proportional 0 0 0 0 0 0 Analog l / h l / h Batch ModBus MODE...
  • Page 13 Configuration PROPORTIONAL X:Y Select the number of pump cycles 0001 0001 Change by pressing and confirm by pressing Q = 025 % M = 005 pulses PROPORTIONAL X:Y Select pump speed in % Change by pressing and confirm by pressing 0001 0001 For Y=1 Q must be set at less than 50%...
  • Page 14: Analogue Mode

    Configuration Select ON to perform proportional dosing with a volume limit. PROPORT. The pump will stop when it reaches the ENT maximum volume Set Point 000,05 to be dosed. Stop Pump Change by pressing and confirm by pressing Stop Vol (1) 03,6 PROPORT.
  • Page 15: Batch Mode

    Configuration ANALOG INPUT INPUT Select mA output for the second point Change by pressing and confirm by pressing 16,0 mA 100 % ANALOG INPUT SPAN Select the flow rate in % for the second point in mA 4 mA 000 % Change by pressing and confirm by pressing 20 mA...
  • Page 16 Configuration Batch dosing mode settings 4.1.4.1 Select start-up mode BATCH MODE Start Man. Manual: start the pump by pressing Flow 000 % Stop Stroke BATCH MODE Start Ext.: start the pump via remote input Flow 000 % Stop Stroke BATCH MODE Start Time Time: start the pump via a timer by entering a frequency...
  • Page 17 Configuration BATCH MODE Start Man. Time: set cycle execution time before stopping Flow 050 % Stop Time BATCH MODE Start Man. Change by pressing and confirm by pressing Flow 050 % Stop 00 : 00 : 10 Volume 333,33 l Viewing the different configuration modes Volume to be dosed 01,379 l...
  • Page 18: Special Functions

    Configuration 4.1.5. Special Functions 4.1.5.1 Remote activation An external remote control can be used to start and stop the pump by means of dry contact in pins 17-18. 4-20mA REMOTEL EVEL 1 LEVEL 2 PULSE STOP 17 18 RUN (factory default) 17 18 When the contact is closed (RUN) the pump may be run manually via the ENT key.
  • Page 19: Dosing Mode

    Configuration PUMP CALIBRATION TEST TIME Change by pressing and confirm by pressing ENT to start PUMP CALIBRATION PUMP CALIBRATION Enter the value in the unit PROGRESS Dosed volume 03,333 confirm by pressing Strokes Speed P. 0415 Max.Curr. 04,5 Press to finish the calibration process PUMP CALIBRATION Dvol: volume dosed DVol...
  • Page 20 Configuration 4.2.2.2 Low flow The Low Flow mode (LF) allows dosing to be paused during the discharge cycle, extending the dosing time and therefore reducing the flow to as little as 1%. The other modes allow the flow to be reduced to as little as 10%. DOSING MODE Mode: Low Flow...
  • Page 21: Configuration

    Configuration 4.2.3 Configuration 4.2.3.1 Dosing pump Technical characteristics of the pump 0 0 0 SET UP 0240 CONFIGURATION DOSING PUMP PUMP CALIBRATION 0 0 0 UNITS l / h DOSING MODE FLOWMETER SET UP LOCK CODE IN / OUT MODE MODBUS Pump flow rate Real Flow is the flow due to the calibration test, if carried out, and/or the flow due to the regulation.
  • Page 22 Configuration 4.2.3.2 Units Select flow, pressure and proportionality units 0 0 0 SET UP 0240 CONFIGURATION DOSING PUMP PUMP CALIBRATION 0 0 0 UNITS l / h DOSING MODE FLOWMETER SET UP LOCK CODE IN / OUT MODE MODBUS UNITS Change litre/gallons by pressing and confirm by Flow...
  • Page 23 Configuration Change by FLOWMETER FLOWMETER FREQUENCY : pressing and confirm FREQUENCY : HIGH 010.77 / puls 010.77 puls / by pressing TIME Q=0 : TIME Q=0, Time interval (seconds) between two pulses to consider zero flow. 4.2.3.4 Lock code Blocks access to the equipment configuration, allowing the pump to start and stop. When the access code is 0000 (default value), the lock is disabled.
  • Page 24 Configuration – Bus: RS485 – Communication: half-duplex L(H), H(B), and GND – Baud rate: 9600 – Data bits: 8 – Parity: None – Stop bits: 1 – Hardware handshake: No – Character time out: 20 ms – Time out message end: 100 ms Important: If an RS232RS485 or similar type converter is required, make sure that the signal emitted does not produce an echo signal.
  • Page 25: Inputs/Outputs

    Configuration 4.2.4. Inputs/outputs 4.2.4.1 Pressure input Calibration of the 4 - 20 mA pressure transducer input. 0 0 0 0240 CONFIGURATION INPUTS PRESSURE PUMP CALIBRATION 0 0 0 FLOW DETECTOR l / h DOSING MODE OUTPUTS SET UP PULSES IN / OUT MODE 4-20mA PRESSURE INPUT...
  • Page 26 Configuration Set whether the pulse output is the same as the pulse input. PULSE OUTPUT With this option a second Dostec AC can be driven by the same Out = Pulse In flowmeter in proportional (%) mode. Enter the volume of product dispensed...
  • Page 27: Alarms

    Configuration You can view the cycles completed by selecting each component. A negative cycle value indicates that it has exceeded the maintenance interval. When replacing a component that MAINTENANCE has reached the end of its useful Diaphragm change - 518.4k Strokes life, the cycle counter must be set VALVES Chenged?
  • Page 28: Flow Fault Alarm

    Configuration 4.3.2 Level alarm 2 Low level alarm according to Level 2 input. Automatic reset MENU ALARM 0240 LEVEL 1 0 0 0 LEVEL 2 l / h FLOW LEAKAGE MODE PRESSURE LEVEL 2 EMPTY Activate or deactivate the alarm by pressing and confirm Alarm Level 2 relay...
  • Page 29: Diaphragm Leakage Alarm

    Configuration 4.3.4 Diaphragm leakage alarm Diaphragm leakage detection alarm for electrically conductive liquids (min. 0.05 ms). MENU ALARM 0240 LEVEL 1 0 0 0 LEVEL 2 l / h FLOW LEAKAGE MODE PRESSURE DIAPHRAGM LEAKAGE Activate or deactivate the alarm by pressing and confirm Alarm Relay out...
  • Page 30: Monitor

    Configuration 4.4 MONITOR 4.4.1 Real time Real-time working parameters 0 0 0 MONITOR 0240 REAL TIME 0 0 0 COUNTERS l / h INFO UNIT MODE Frequency (Hz) MOTOR MONITOR Motor voltage (V) Freq. (Hz) Current (A) Voltage OUT current (A) Temperature (°C) Temp (ºC) Imput volt...
  • Page 31: Info Unit

    Configuration COUNTERS Short circuit alarms Short c. Overload alarms Overload High temperature alarms Overt temp Volt range Input voltage alarms RESET COUNTERS Press to reset the cycle and volume counters ENT.. = YES ESC.. = NO not to reset them 4.4.3 Info Unit 0 0 0 MONITOR...
  • Page 32: Installation

    Installation 5. INSTALLATION 5.1. GENERAL It should be installed in a place protected from water, away from heat sources and with renovation of air. Place the pump vertically over a totally rigid surface to achieve a proper lubrication of all inner elements. Provide sufficient space to facilitate basic maintenance and installation/removal of the pump.
  • Page 33: Block

    Installation 5.2. BLOCK Pull out the oil cap for transport, fill the pump with the SAE 80W90 oil supplied (or similar), up to the level shown by the sight glass and fit the working cap (black with an orifice). Approximate oil capacity: 650 cm³(AC3) 250 cm³...
  • Page 34 VENTILATION RS-485 12VF MN+M N- +2 4 +5 V H 4 - 20 mA PULSE REMOTE LEVEL 1 LEVEL 2 4 - 20 mA PULSE ALM LEVEL 4 - 20 mA Pulse input ITC controllers ITC Flowmeter External quick connectors...
  • Page 35 WIRING Installation FUNCTION DETAIL Inputs Encoder +12 V dc Encoder Encoder Encoder Encoder (−) Flow detector Flow detector (−) Leakage detector Leakage detector (−) Pressure transmitter + 24 V dc Pressure transmitter Pressure transmitter (−) 4 - 20 mA input analogue mode 4 - 20 mA input analogue mode (−) Proportional pulse input mode...
  • Page 36: Hydraulic Installation

    Installation 5.4. HYDRAULIC INSTALLATION 5.4.1. Installation examples 10 11 1. To avoid undissolved particles, never suck the product to be injected from the bottom of the tank. 2. Filter. It is essential to install a filter (150 micron) in the suction piping. 3.
  • Page 37: Installation Recommendations

    Installation 5.4.2. Installation recommendations SUCTION Long suction: L> 2 m (6.5 ft) PIPE SIZE Øint L ≤ 2 m L ≤ 5 m AC1/ 2 1000 Ø 1000 Q max. (l/h) Air in suction DISCHARGE Long discharge: L> 5 m (16 ft) PIPE SIZE Øint L ≤...
  • Page 38: Accessories

    Installation 5.5. ACCESSORIES 5.5.1. Diaphragm leakage detector The diaphragm leakage detector is an electrical conductivity sensor capable of detecting the presence of liquid when its conductivity is 0.05 mS or higher. The pump must be provided with the specific diaphragm flange for housing the detector.
  • Page 39: Pulse Output Isolator

    The pulse output is a voltage free output. The isolator is not necessary when the output is connected to a 38 39 40 41 pulse input of another Dostec AC. 5.5.5. Additional ventilation 115 / 230 V This option is recommended for continuous operation at temperatures above 40 °C (104 °F) up to a maximum of 50 °C (122 °F)
  • Page 40: Maintenance

    Maintenance 7. MAINTENANCE 27-051 7.1. PARTS LIST AC3 PISTON 28054 29321 66344 (x4) 62352 (x4) 71304 71107(144c/min) 71137(72c/min) 62451 71309 (x4) 71308 61337 71151 71306 71-031 62129 64310 71124 61336 61-011-F 64412 61-855-P 62166(x4) 71314 61-131-/C (P110) 61-134-/C (P95) 61-136-/C (P77) 71123 61137 (P110)
  • Page 41 Maintenance 60301 66334 66344 60109 60315 60333 71-030 (c15-7,5) 71111(c15-7,7) 71-029 (c10-5) 71112(c10-5) 60314 60110(c15-7,7) 71127(c10-5) 29-036 29-035 71184(15mm) 71187(10mm) 71188(7,5mm) 71106(144c/min) 71189(5mm) 71136(72c/min) 71310 71310 71307 71303 71311 71185.1 60156 71313(x4) 71186 62166(x4) 60300 60304(x3) 29-059.1 29-057.1 65466 61-885-P 61-875-P 61-011-F/I 61-010-F/I...
  • Page 42 Maintenance AC3 PISTON PARTS LIST CODE DESCRIPTION QUANTITY 28054 Electric motor 1.2 kW 6P 110/190 3ph 80/100 29321 B14 Motor seal Maraz T80 29620 AC control board PCB 29622 Power board PCB 230 V ac 33429 M4 x 20 DIN 912 a-2 screw 38301 Philips M3 x 8 DIN 7985 A2 screw 60109...
  • Page 43 Additional ventilation 24 V dc IP56 DOSTEC AC3 29-035 Control PCB with cover DOSTEC AC 29-037 Power PCB with box AC2/3 29-057.1 PCB, encoder base and cover DOSTEC AC 29-059.1 Encoder with cover AC3 (Dostec-50) 71-029 Regulator Dostec-50 pas1 mm complete 71-030 Regulator Dostec-50 pas1.5 mm complete...
  • Page 44: Parts List Ac3 Diaphragm

    Maintenance 27-051 7.2. PARTS LIST AC3 DIAPHRAGM 28054 29321 66344 (x4) 62352 (x4) 71304 71107(144c/min) 71137(72c/min) 62451 71309 (x4) 71308 61337 71151 71306 71-032 62166(x4) 62129 64310 61-011-F 61336 63331(x4) 61-855-P 71217 (D142) 71218 (D163) 71221 (D142) 71222 (D163) 71226 (D142) 71225 (D163) 71214.1...
  • Page 45 Maintenance 60301 66334 66344 60109 60315 60333 71-030 (c15-7,5) 71111(c15-7,7) 71-029 (c10-5) 71112(c10-5) 60314 60110(c15-7,7) 29-036 71127(c10-5) 29-035 71184(15mm) 71187(10mm) 71106(144c/min) 71188(7,5mm) 71136(72c/min) 71189(5mm) 71310 71310 71307 71303 71185.1 71311 60156 71313(x4) 71186 62166(x4) 60300 60304(x3) 29-059.1 29-057.1 65466 61-885-P 61-875-P 61-011-F/I 61-010-F/I...
  • Page 46 Maintenance AC3 DIAPHRAGM PARTS LIST CODE DESCRIPTION QUANTITY 28054 Electric motor 1.2 kW 6P 110/190 3ph 80/100 29321 B14 Motor seal Maraz T80 60109 Dostec D40 regulator 60110 Regulator guide p1.5 mm Dostec 60156 d6 x 2.5 encoder magnet 60300 Miselli 26 oil peep hole 60301 Regulator knob plug 20.6...
  • Page 47 71321 M8 x 100 DIN 912 A2 screw ASSEMBLIES 27-051 Additional ventilation 24v D50 / EF low pressure 29-035 Control PCB with cover DOSTEC AC 29-037 Power PCB with box AC2 29-057.1 PCB and base encoder DOSTEC AC 29-059.1 Encoder AC3 (Dostec-50)
  • Page 48: Parts List Ac 1/2 Piston

    Maintenance 27-050 7.3. PARTS LIST AC 1/2 PISTON 28053 29319 62352(x4) 60116 (144c/min) 60117 (72c/min) 60137 (43c/min) 60138 (26c/min) 63213 63212 60111 60319 60320(x5) 60312 63124 60151 60302(x4) P.E. / Ceramic 60-014 64412 62-132 / 62-143 (D24) 60-023(500L) 62-133 / 62-144 (D34) 60-125 / 62-145 (D49) 60-126 / 62-146 (D61) 60-127 (D77)
  • Page 49 Maintenance 60301 66334 66344 60109 60318 60315 60333 60-022 (p1,5) 60-021 (p0,9) 60108(p1,5) 60209(p0,9) 60314 29-036 60110(p1,5) 29-035 60112(p0,9) 60305 60115 (144c/min) 60114 (72c/min) 60133 (43c/min) 62453 60134 (26c/min) 61305 62453 60154.1 60156 60158 63212(x4) 62451 60300 60304(x3) 60157(15mm) 60159(10mm) 61324 60160(7,5mm) 62451...
  • Page 50 Maintenance AC1/2 PISTON PARTS LIST CODE DESCRIPTION QUANTITY 28053 Electric motor 430 W 6P 110/190 3ph 71/65 B14 29118 Variator adapter to motor 0.5 HP 110 V 29319 Motor seal Maraz T71 60108 Regulating rod 15 Dostec 60109 Dostec 10v regulator 60110 Regulator guide p1.5 mm Dostec 60111...
  • Page 51 Additional ventilation 24 V dc IP56 DOSTEC AC1-2 29-035 Control PCB with cover DOSTEC AC 29-036 Power PCB with box AC1 29-057.1 PCB, encoder base and cover DOSTEC AC 29-058.1 Encoder with cover AC1-2 (Dostec-40) 60-014 Shaft guide Al Dostec-40P 60-021 Regulator Dostec-40 pitch 0.9 mm assembly...
  • Page 52: Parts List Ac 1/2 Diaphragm

    Maintenance 27-050 27-051 7.4. PARTS LIST AC 1/2 DIAPHRAGM 28054 29307 (x4) 29118 29318 62352(x4) 60116 (144c/min) 60117 (72c/min) 60137 (43c/min) 60138 (26c/min) 63212 63213 60111 60320(x5 60319 63124 60312 60151 60302(x4) 60313 60-015 67104.2-P/F (D69) 67104-I (D69) 62129 62-859-P (6x12) 62-857-P (3/4) 64310 63125...
  • Page 53 Maintenance 60301 66334 66344 60109 60318 60315 60333 60-022 (p1,5) 60-021 (p0,9) 60108(p1,5) 60209(p0,9) 60314 29-036 29-035 60110(p1,5) 60112(p0,9) 60305 60115 (144c/min) 60114 (72c/min) 60133 (43c/min) 62453 60134 (26c/min) 61305 62453 60154.1 60156 60158 63212(x4) 62451 60300 60304(x3) 60157(15mm) 60159(10mm) 61324 60160(7,5mm) 62451...
  • Page 54 Variator adapter to motor 0.5 HP 110 V 29129 Advanced Control box 29131 Advanced Control lid 29132 Case seal DOSTEC AC 29202 Lexan Dostec AC 29307 M4 x 15 DIN 7991 st. steel screw 29312 O-ring 32 x 2 NBR 29315 Philips M3 x 12 DIN 7985 st.
  • Page 55 Maintenance 60619 608-zz (8 x 22 x 7) roller bearing 60320 Wave spring washer (21.5 x 14.5 x 0.3) 60333 M4 x 8 DIN 913 A-2 screw 61305 O-ring 85.5 x 2.4 NBR 61324 6206zz (30 x 62 x 16) roller bearing EF 62119 Cylinder spacer MF 62129...
  • Page 56 Maintenance 60-809.1-F/I Hose discharge valve 6 x 12-¾ Borosilicate 60-858-P Suction valve 6 x 12-¾" PP Borosilicate 60-859-P Discharge valve 6 x 12-¾" PP Borosilicate 62-806-F Suction valve ¾" PVDF 62-807-F Discharge valve ¾" PVDF 62-856-P Suction valve ¾" PP Borosilicate 62-857-P Discharge valve ¾"...
  • Page 57 Maintenance VALVES 6 x 12 (60 l/h max.) PP/PVDF AISI 316 Discharge Suction Discharge Suction 60-859-P 60-858-P 60-809.1-I 60-808.1-I 60-809.1-F 60-808.1- F 62310 60811.1-I 62310 60811.1-P/F 60813.1-I 60813.1-P/F 60877 64351 64348 (Boro) 60877 60308 60812.1-I 60308 62310 60812.1-P/F 60810.1-I 60810.1-P/F 62310 60810.1-I 60810.1-P/F...
  • Page 58: Periodic Maintenance

    Maintenance Before any maintenance operation check: The pump is stopped and disconnected from the power supply. There is no pressure inside the head or in the discharge pipe. It is recommended to empty the head before opening it. Maintenance personnel should use the appropriate means of protection for handling the liquid being dosed.
  • Page 59: Troubleshooting: Possible Cause And Solution

    – Input voltage too high – Check the input voltage with a voltmeter – Internal short circuit – Contact ITC technical service AL-1 – Motor phase failure – Check the wiring between the motor and the electronic card.
  • Page 60 Maintenance PROBLEM CAUSE SOLUTION Voltage out of range - Supply voltage outside the - Correct the input voltage so that it is allowed range within the allowed range AL-5...
  • Page 61: Wiring

    PULSE ALM LEVEL 4 - 20 mA PULSE REMOTE LEVEL 1 LEVEL 2 Black Violet Yellow Blue White 230V Encoder Violet 12v F1 F2 S - Black Yellow White 4 - 20 mA Pulse input Blue ITC controller ITC flowmeter...
  • Page 63: Ce Declaration Of Conformity

    Polígono Industrial Can Bernades-Subirà 08130 Santa Perpètua de Mogoda Declares that all models of DOSTEC AC products identified with serial number and year of manufacture comply with Machinery Directive 2006/42/EC, Low Voltage Directive D2014/35/ EU and Electromagnetic Compatibility Directive D2014/30/EU, provided that the installation, use and maintenance are carried out in accordance with current regulations and following the instructions in the instruction manual.
  • Page 64 Original Manual Ed: 06/10/2021-ES C/ Vallès, 26 Pol. Ind. Can Bernades - Subirà P.O. Box 60 08130 Santa Perpètua de Mogoda BARCELONA, SPAIN Tel. +34493 5443040 Fax +34 93 5443161 e-mail: itc@itc.es www.itc-dosing-pumps.com...

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