2 replacement options found

Existing pump - Multistage

Brand Grundfos
Product name CRE 5-2
Overall length 160 mm
Mains connection 3x400 V
Pipe Connection Rp 32 PN16
Nominal power P2 0,55 kW
Pump height 508 mm
Distance floor - center 50 mm

Replacement pump Exchange sheet

Product name Helix2.0-VE 602-1/16/E/S/3
Item no. 4250733
MEI ≥ 0,7
IE 5
Overall length 160 mm
Mains connection 3x400 V
Pipe Connection Rp 32 PN16
Rated Current 1,6 A
Nominal power P2 0,75 kW
Pump height 707 mm
Distance floor - center 50 mm
Fluid temperature range -30 - +120 °C

Comment

Fits without any modification of piping.
Replacement pump not equiped with cartridge mechanical seal.
Replacement pump has higher capacity.

Product information
Helix2.0-VE 602-1/16/E/S/3

Helix2.0-VE 602-1/16/E/S/3
Item no. : 4250733

Design
Highly efficient, non-self-priming high-pressure multistage centrifugal pump in vertical design with in-line connections, equipped with electronically controlled EC motor of energy efficiency class IE5 in accordance with IEC 60034-30-2.

Application
  • Water supply and pressure boosting
  • Industrial circulation systems
  • Process water
  • Closed cooling circuits
  • Heating
  • Washing systems
  • Irrigation
Equipment/function
  • 2” colored LCD display
  • Wilo Green Button Technology and soft button with return function for menu navigation and pump setting
  • Green LED indicates pump status
  • Blue LED indicates that pump is influenced externally via an interface
  • Impellers, guide vanes and stage housings made of corrosion-resistant material
Operating modes
  • Constant pressure p-c
  • Constant differential pressure ∆p-c
  • Variable differential pressure ∆p-v
  • Constant speed n-c
  • PID control
Analogue input
  • IN (AI 1): Input sensor signal 4-20 mA, 0-10 V, 0-20 mA or 2-10 V
  • IN (AI 2): Input setpoint 0-20 mA, 0-10 V, 4-20 mA, 2-10 V or input sensor signal 4-20 mA, 0-10 V, 0-20 mA or 2-10 V
Digital input IN (DI 1)
  • Extern off
  • Lack of water detection by binary input
Functions
  • Max. pressure limit detection
  • Min. pressure limit detection
  • Lack of water detection by suction sensor
  • Zero flow test (open loop)
  • No-Flow Stop (closed loop)
  • Dry running detection
  • Volume flow calculation by using differential pressure sensor
  • Pump kick
  • Error and warning codes
  • Overload protection
  • Access lock
  • Plug-in position for Wilo CIF-modules PLR, LON, BACnet MS/TP, Modbus RTU, CANopen, Ethernet Multi-protocol (Modbus TCP, BACnet/IP) for connection to the building automation
Dual pump management (2 x single pumps)
  • Main/standby operation
  • Pump cycling main/standby operation after 24 hours or automatic fault-actuated switchover
  • Wired connection via Wilo Net
Technical data
Electrical connection:
  • 3~ 380 V …440 V (+/- 10%) 50 Hz/60 Hz
  • TN, TT, IT
Fluid temperature range:
  • Helix2.0-VE 2 – 16 (EPDM): -30 to 120 °C (130 °C on request)
  • Helix2.0-VE 2 – 16 for aggressive media (FKM): -15 to 90 °C
  • Helix2.0-VE – 52 (EPDM): -20 to 120 °C (130 °C on request)
  • Helix2.0-VE 22 – 52 for aggressive media (FKM): -15 to 90 °C (-30 to 120 °C with EPDM gasket on request)
Max. operating pressure: 16/25 bar
Protection class: IP 55
Max. ambient temperature: +50°C
Available versions:
Helix2.0-VE 2 – 16: PN 16 with oval flanges, PN 25 with round flanges according to ISO 2531 and ISO 7005 (Victaulic coupling on request)
Helix2.0-VE 22 – 52: PN 16 and PN 25 with round flanges according to ISO 2531 and ISO 7005

Materials
Helix2.0-VE 2, 4, 6, 10, 16:

Standard version
  • Impellers, stage housings and guide vanes made of stainless steel 1.4307 (AISI 304L)
  • Pump housing made of stainless steel 1.4301 (AISI 304)
  • Baseplate and lantern in EN-GJL-250 (cataphoretic coated)
  • Shaft made of stainless steel 1.4301 (AISI 304) or 1.4462 (AISI 318LN) (depending on version)
  • Sleeve under the mechanical seal 1.4404 (316L)
  • O-ring of EPDM (FKM gasket on request)
  • Jacket pipe made of stainless steel 1.4301 (AISI 304)
For aggressive media
  • Impellers, stage housings and guide vane apparatuses made of stainless steel 1.4404 (316L)
  • Pump housing made of stainless steel 1.4404 (316L)
  • Shaft made of stainless steel 1.4404 (316L) or 1.4462 (AISI 318LN) (depending on version)
  • Sleeve under the mechanical seal 1.4404 (316L)
  • O-ring of FKM (EPDM gasket on request)
  • Jacket pipe made of stainless steel 1.4404 (316L)
Helix2.0-VE 22, 36, 52:

Standard version
  • Stage housings, impellers, guide vane apparatuses made of stainless steel 1.4307 (AISI 304L)
  • Pump housing made of stainless steel 1.4301 (AISI 304) or cataphoretic-coated grey cast iron EN-GJL 250, loose flanges made of EN-GJS 400 for Helix2.0-VE 36-52.
  • Shaft made of stainless steel 1.4057 (AISI 431)
  • Sleeve under the mechanical seal 1.4404 (316L)
  • O-ring of EPDM (FKM gasket on request)
  • Jacket pipe made of stainless steel 1.4301 (AISI 304)
For aggressive media
  • Stage housings, impellers, and guide vane apparatuses made of stainless steel 1.4404 (316L)
  • Pump housing: all parts which come in contact with the media are made of cast stainless steel 1.4409 (316L); loose flanges of cataphoretic-coated grey cast iron EN-GJL 250 for Helix2.0-VE 22 / EN-GJS 400 for Helix2.0-VE 36-52.
  • Baseplate made of stainless steel 1.4301 (AISI 304)
  • Shaft made of stainless steel 1.4404 (316L) or 1.4462 (AISI 318LN) (depending on version)
  • Sleeve under the mechanical seal 1.4404 (316L)
  • O-ring of FKM (EPDM gasket on request)
  • Pressure shroud made of stainless steel 1.4404 (316L)
Delivery state
  • Helix2.0-VE high-pressure multistage centrifugal pump
  • Installation and operating instructions
  • Helix2.0-VE 2 – 16 (version PN16 with oval flanges): Counter flanges made of stainless steel with corresponding screws, nuts and gaskets
Bypass kit Helix 2-16
Item no.: 4146788
Bypass batch:
Bypass kit for continuous ventilation of Helix pumps in series 2/ 4 / 6 / 10 / 16.
  • Comes with pressure gauge.
  • Suitable to use for all types of self and normal suction systems, e.g. irrigation, cooling towers etc.
BASE_PLATE_DAMPER_HELIX_PUMP_UP_TO_5.5kW
Item no.: 4157154
Footplate Helix:
Foot plate is for mounting on foundation or floor. It fits all pumps in the Helix series with a maximum engine power of 5.5 kW.
  • Pump housing (pump) is screwed into the foot plate with four bolts (dimension M8 or M10, depending on the pump size - see pump catalogue leaf), recommended length of bolt 40-70 mm.
  • The foot plate is equipped with vibration dampers, one in each corner.
  • Made of stainless steel.
  • Dimensions: 405 x 90 x 405 mm (W x H x D).
SAFETY VALVE R3/4" RG 10BAR
Item no.: 500814696
Safety Valve:
The safety valve protects the system against overpressure when using water supply and pressure relief systems.
  • Activation pressure 10% above the factory preset pressure.
  • Allowed media - water without abrasive particles.
  • Media temperature max 130 ° C.
  • House made of plaster / brass.
  • Seal made by Perbunan / EPDM.
Note- the safety valves are only pre-set from the factory.
SAFETY VALVE R3/4" RG 16BAR G851
Item no.: 2007147
Safety Valve:
The safety valve protects the system against overpressure when using water supply and pressure relief systems.
  • Activation pressure 10% above the factory preset pressure.
  • Allowed media - water without abrasive particles.
  • Media temperature max 130 ° C.
  • House made of plaster / brass.
  • Seal made by Perbunan / EPDM.
Note- the safety valves are only pre-set from the factory.
IR-Stick WILO Set
Item no.: 2109467
USB stick for wireless data exchange for all electronically controlled Wilo pumps with infra-red interface; can be adapted to any commercially-available Windows PCs/laptops with USB interface.
The IR-Stick in combination with the supplied Wilo software (CD-ROM), makes it possible to read out and save data records for pumps as well as send previously defined pump settings.
 
  • IR carrier frequency: 33 kHz / 455 kHz
  • Software upgrade: via USB
Particularly suitable for:
  • Inaccessibly installed pumps
  • Quick configuration of pumps
  • Extensive operating information
  • Detailed fault diagnosis
  • Statistical functions
  • Special settings/control modes for special requirements
  • Protection against unauthorised access
  • Archiving of pump data sets
CONNECTION -VB.WMS-CO-1MVI/MVIS/HELIX-6"
Item no.: 2504386

Connection kit for connection of a low-water cut-out switchgear to single-pump pressure boosting systems CO-1 without speed control.
ASSEMBLY WMS. DE-EB. +VP
Item no.: 2521150

Pressure switch as low-water signal transmitter for direct connection to the suction-side pipe provided by the customer.
Connection to the joint tubing Rp ¼' threaded bushing.
The pressure switch locks at 1.0 bar and enables at 1.3 bar (factory works setting in accordance with DIN 1988).
The factory settings cannot be modified.
Cable gland M20x1,5 CIF-Module
Item no.: 2215131
Cable gland M20x1,5 CIF-Module
Item no.: 2215132
CIF-Module BACnet
Item no.: 2190367

Interface modules as retrofittable plug-in modules for extending the communication interfaces of the pump in accordance with various standards and protocol variants according to type key.

General functions
Serial, digital interface for connection to building automation (BA) for the transfer of data points as:
  • Control commands to the pump
  • Messages from the pump
  • Process values
CIF-Module CAN
Item no.: 2190369

Interface modules as retrofittable plug-in modules for extending the communication interfaces of the pump in accordance with various standards and protocol variants according to type key.

General functions
Serial, digital interface for connection to building automation (BA) for the transfer of data points as:
  • Control commands to the pump
  • Messages from the pump
  • Process values
CIF-Module LON
Item no.: 2190370

Interface modules as retrofittable plug-in modules for extending the communication interfaces of the pump in accordance with various standards and protocol variants according to type key.

General functions:
Serial, digital interface for connection to building automation (BA) for the transfer of data points as:
  • Control commands to the pump
  • Messages from the pump
  • Process values
CIF-Module Modbus
Item no.: 2190368

Interface modules as retrofittable plug-in modules for extending the communication interfaces of the pump in accordance with various standards and protocol variants according to type key.

General functions:
Serial, digital interface for connection to building automation (BA) for the transfer of data points as:
  • Control commands to the pump
  • Messages from the pump
  • Process values
CIF-Module PLR
Item no.: 2190371

Interface modules as retrofittable plug-in modules for extending the communication interfaces of the pump in accordance with various standards and protocol variants according to type key.

General functions:
Serial, digital interface for connection to building automation (BA) for the transfer of data points as:
  • Control commands to the pump
  • Messages from the pump
  • Process values
CIF-Module Ethernet
Item no.: 2211408

Interface modules as retrofittable plug-in modules for extending the communication interfaces of the pump in accordance with various standards and protocol variants according to type key.

General functions
Serial, digital interface for connection to building automation (BA) for the transfer of data points as:
  • Control commands to the pump
  • Messages from the pump
  • Process values
CIF-Modul Modbus TCP
Item no.: 2211409

Interface modules as retrofittable plug-in modules for extending the communication interfaces of the pump in accordance with various standards and protocol variants according to type key.

General functions:
Serial, digital interface for connection to building automation (BA) for the transfer of data points as:
  • Control commands to the pump
  • Messages from the pump
  • Process values
Differential Pressure Kit (0-232) 16 bar
Item no.: 4194670

The differential pressure sensor kit enables dp-c and dp-v control of the frequency-controlled high-pressure centrifugal pumps.
The sensor measures the differential pressure between the suction ports and discharge ports to the pipes, and converts this into an electrical signal 4-20 mA, which is used by the frequency converter to regulate the pressure of the pump. The value of the output current is proportional to the differential pressure.
ASSEMBLY PRESSURE SENSOR 0-16 BAR
Item no.: 2501886

For mounting an automatic two-pump system with pressure-dependent operation. The pressure sensor measures the applied pressure and delivers signals which can be evaluated by the ER-2 switchgear.

Replacement pump Exchange sheet

Product name Helix2.0-VE 602-1/16/E/KS/3
Item no. 4250731
MEI ≥ 0,7
IE 5
Overall length 160 mm
Mains connection 3x400 V
Pipe Connection Rp 32 PN16
Rated Current 1,6 A
Nominal power P2 0,75 kW
Pump height 758 mm
Distance floor - center 50 mm
Fluid temperature range -30 - +120 °C

Comment

Fits without any modification of piping.
Replacement pump equiped with cartridge mechanical seal.
Replacement pump has higher capacity.

Product information
Helix2.0-VE 602-1/16/E/KS/3

Helix2.0-VE 602-1/16/E/KS/3
Item no. : 4250731

Design
Highly efficient, non-self-priming high-pressure multistage centrifugal pump in vertical design with in-line connections, equipped with electronically controlled EC motor of energy efficiency class IE5 in accordance with IEC 60034-30-2.

Application
  • Water supply and pressure boosting
  • Industrial circulation systems
  • Process water
  • Closed cooling circuits
  • Heating
  • Washing systems
  • Irrigation
Equipment/function
  • 2” colored LCD display
  • Wilo Green Button Technology and soft button with return function for menu navigation and pump setting
  • Green LED indicates pump status
  • Blue LED indicates that pump is influenced externally via an interface
  • Impellers, guide vanes and stage housings made of corrosion-resistant material
Operating modes
  • Constant pressure p-c
  • Constant differential pressure ∆p-c
  • Variable differential pressure ∆p-v
  • Constant speed n-c
  • PID control
Analogue input
  • IN (AI 1): Input sensor signal 4-20 mA, 0-10 V, 0-20 mA or 2-10 V
  • IN (AI 2): Input setpoint 0-20 mA, 0-10 V, 4-20 mA, 2-10 V or input sensor signal 4-20 mA, 0-10 V, 0-20 mA or 2-10 V
Digital input IN (DI 1)
  • Extern off
  • Lack of water detection by binary input
Functions
  • Max. pressure limit detection
  • Min. pressure limit detection
  • Lack of water detection by suction sensor
  • Zero flow test (open loop)
  • No-Flow Stop (closed loop)
  • Dry running detection
  • Volume flow calculation by using differential pressure sensor
  • Pump kick
  • Error and warning codes
  • Overload protection
  • Access lock
  • Plug-in position for Wilo CIF-modules PLR, LON, BACnet MS/TP, Modbus RTU, CANopen, Ethernet Multi-protocol (Modbus TCP, BACnet/IP) for connection to the building automation
Dual pump management (2 x single pumps)
  • Main/standby operation
  • Pump cycling main/standby operation after 24 hours or automatic fault-actuated switchover
  • Wired connection via Wilo Net
Technical data
Electrical connection:
  • 3~ 380 V …440 V (+/- 10%) 50 Hz/60 Hz
  • TN, TT, IT
Fluid temperature range:
  • Helix2.0-VE 2 – 16 (EPDM): -30 to 120 °C (130 °C on request)
  • Helix2.0-VE 2 – 16 for aggressive media (FKM): -15 to 90 °C
  • Helix2.0-VE – 52 (EPDM): -20 to 120 °C (130 °C on request)
  • Helix2.0-VE 22 – 52 for aggressive media (FKM): -15 to 90 °C (-30 to 120 °C with EPDM gasket on request)
Max. operating pressure: 16/25 bar
Protection class: IP 55
Max. ambient temperature: +50°C
Available versions:
Helix2.0-VE 2 – 16: PN 16 with oval flanges, PN 25 with round flanges according to ISO 2531 and ISO 7005 (Victaulic coupling on request)
Helix2.0-VE 22 – 52: PN 16 and PN 25 with round flanges according to ISO 2531 and ISO 7005

Materials
Helix2.0-VE 2, 4, 6, 10, 16:

Standard version
  • Impellers, stage housings and guide vanes made of stainless steel 1.4307 (AISI 304L)
  • Pump housing made of stainless steel 1.4301 (AISI 304)
  • Baseplate and lantern in EN-GJL-250 (cataphoretic coated)
  • Shaft made of stainless steel 1.4301 (AISI 304) or 1.4462 (AISI 318LN) (depending on version)
  • Sleeve under the mechanical seal 1.4404 (316L)
  • O-ring of EPDM (FKM gasket on request)
  • Jacket pipe made of stainless steel 1.4301 (AISI 304)
For aggressive media
  • Impellers, stage housings and guide vane apparatuses made of stainless steel 1.4404 (316L)
  • Pump housing made of stainless steel 1.4404 (316L)
  • Shaft made of stainless steel 1.4404 (316L) or 1.4462 (AISI 318LN) (depending on version)
  • Sleeve under the mechanical seal 1.4404 (316L)
  • O-ring of FKM (EPDM gasket on request)
  • Jacket pipe made of stainless steel 1.4404 (316L)
Helix2.0-VE 22, 36, 52:

Standard version
  • Stage housings, impellers, guide vane apparatuses made of stainless steel 1.4307 (AISI 304L)
  • Pump housing made of stainless steel 1.4301 (AISI 304) or cataphoretic-coated grey cast iron EN-GJL 250, loose flanges made of EN-GJS 400 for Helix2.0-VE 36-52.
  • Shaft made of stainless steel 1.4057 (AISI 431)
  • Sleeve under the mechanical seal 1.4404 (316L)
  • O-ring of EPDM (FKM gasket on request)
  • Jacket pipe made of stainless steel 1.4301 (AISI 304)
For aggressive media
  • Stage housings, impellers, and guide vane apparatuses made of stainless steel 1.4404 (316L)
  • Pump housing: all parts which come in contact with the media are made of cast stainless steel 1.4409 (316L); loose flanges of cataphoretic-coated grey cast iron EN-GJL 250 for Helix2.0-VE 22 / EN-GJS 400 for Helix2.0-VE 36-52.
  • Baseplate made of stainless steel 1.4301 (AISI 304)
  • Shaft made of stainless steel 1.4404 (316L) or 1.4462 (AISI 318LN) (depending on version)
  • Sleeve under the mechanical seal 1.4404 (316L)
  • O-ring of FKM (EPDM gasket on request)
  • Pressure shroud made of stainless steel 1.4404 (316L)
Delivery state
  • Helix2.0-VE high-pressure multistage centrifugal pump
  • Installation and operating instructions
  • Helix2.0-VE 2 – 16 (version PN16 with oval flanges): Counter flanges made of stainless steel with corresponding screws, nuts and gaskets
Bypass kit Helix 2-16
Item no.: 4146788
Bypass batch:
Bypass kit for continuous ventilation of Helix pumps in series 2/ 4 / 6 / 10 / 16.
  • Comes with pressure gauge.
  • Suitable to use for all types of self and normal suction systems, e.g. irrigation, cooling towers etc.
BASE_PLATE_DAMPER_HELIX_PUMP_UP_TO_5.5kW
Item no.: 4157154
Footplate Helix:
Foot plate is for mounting on foundation or floor. It fits all pumps in the Helix series with a maximum engine power of 5.5 kW.
  • Pump housing (pump) is screwed into the foot plate with four bolts (dimension M8 or M10, depending on the pump size - see pump catalogue leaf), recommended length of bolt 40-70 mm.
  • The foot plate is equipped with vibration dampers, one in each corner.
  • Made of stainless steel.
  • Dimensions: 405 x 90 x 405 mm (W x H x D).
SAFETY VALVE R3/4" RG 10BAR
Item no.: 500814696
Safety Valve:
The safety valve protects the system against overpressure when using water supply and pressure relief systems.
  • Activation pressure 10% above the factory preset pressure.
  • Allowed media - water without abrasive particles.
  • Media temperature max 130 ° C.
  • House made of plaster / brass.
  • Seal made by Perbunan / EPDM.
Note- the safety valves are only pre-set from the factory.
SAFETY VALVE R3/4" RG 16BAR G851
Item no.: 2007147
Safety Valve:
The safety valve protects the system against overpressure when using water supply and pressure relief systems.
  • Activation pressure 10% above the factory preset pressure.
  • Allowed media - water without abrasive particles.
  • Media temperature max 130 ° C.
  • House made of plaster / brass.
  • Seal made by Perbunan / EPDM.
Note- the safety valves are only pre-set from the factory.
IR-Stick WILO Set
Item no.: 2109467
USB stick for wireless data exchange for all electronically controlled Wilo pumps with infra-red interface; can be adapted to any commercially-available Windows PCs/laptops with USB interface.
The IR-Stick in combination with the supplied Wilo software (CD-ROM), makes it possible to read out and save data records for pumps as well as send previously defined pump settings.
 
  • IR carrier frequency: 33 kHz / 455 kHz
  • Software upgrade: via USB
Particularly suitable for:
  • Inaccessibly installed pumps
  • Quick configuration of pumps
  • Extensive operating information
  • Detailed fault diagnosis
  • Statistical functions
  • Special settings/control modes for special requirements
  • Protection against unauthorised access
  • Archiving of pump data sets
CONNECTION -VB.WMS-CO-1MVI/MVIS/HELIX-6"
Item no.: 2504386

Connection kit for connection of a low-water cut-out switchgear to single-pump pressure boosting systems CO-1 without speed control.
ASSEMBLY WMS. DE-EB. +VP
Item no.: 2521150

Pressure switch as low-water signal transmitter for direct connection to the suction-side pipe provided by the customer.
Connection to the joint tubing Rp ¼' threaded bushing.
The pressure switch locks at 1.0 bar and enables at 1.3 bar (factory works setting in accordance with DIN 1988).
The factory settings cannot be modified.
Cable gland M20x1,5 CIF-Module
Item no.: 2215131
Cable gland M20x1,5 CIF-Module
Item no.: 2215132
CIF-Module BACnet
Item no.: 2190367

Interface modules as retrofittable plug-in modules for extending the communication interfaces of the pump in accordance with various standards and protocol variants according to type key.

General functions
Serial, digital interface for connection to building automation (BA) for the transfer of data points as:
  • Control commands to the pump
  • Messages from the pump
  • Process values
CIF-Module CAN
Item no.: 2190369

Interface modules as retrofittable plug-in modules for extending the communication interfaces of the pump in accordance with various standards and protocol variants according to type key.

General functions
Serial, digital interface for connection to building automation (BA) for the transfer of data points as:
  • Control commands to the pump
  • Messages from the pump
  • Process values
CIF-Module LON
Item no.: 2190370

Interface modules as retrofittable plug-in modules for extending the communication interfaces of the pump in accordance with various standards and protocol variants according to type key.

General functions:
Serial, digital interface for connection to building automation (BA) for the transfer of data points as:
  • Control commands to the pump
  • Messages from the pump
  • Process values
CIF-Module Modbus
Item no.: 2190368

Interface modules as retrofittable plug-in modules for extending the communication interfaces of the pump in accordance with various standards and protocol variants according to type key.

General functions:
Serial, digital interface for connection to building automation (BA) for the transfer of data points as:
  • Control commands to the pump
  • Messages from the pump
  • Process values
CIF-Module PLR
Item no.: 2190371

Interface modules as retrofittable plug-in modules for extending the communication interfaces of the pump in accordance with various standards and protocol variants according to type key.

General functions:
Serial, digital interface for connection to building automation (BA) for the transfer of data points as:
  • Control commands to the pump
  • Messages from the pump
  • Process values
CIF-Module Ethernet
Item no.: 2211408

Interface modules as retrofittable plug-in modules for extending the communication interfaces of the pump in accordance with various standards and protocol variants according to type key.

General functions
Serial, digital interface for connection to building automation (BA) for the transfer of data points as:
  • Control commands to the pump
  • Messages from the pump
  • Process values
CIF-Modul Modbus TCP
Item no.: 2211409

Interface modules as retrofittable plug-in modules for extending the communication interfaces of the pump in accordance with various standards and protocol variants according to type key.

General functions:
Serial, digital interface for connection to building automation (BA) for the transfer of data points as:
  • Control commands to the pump
  • Messages from the pump
  • Process values
Differential Pressure Kit (0-232) 16 bar
Item no.: 4194670

The differential pressure sensor kit enables dp-c and dp-v control of the frequency-controlled high-pressure centrifugal pumps.
The sensor measures the differential pressure between the suction ports and discharge ports to the pipes, and converts this into an electrical signal 4-20 mA, which is used by the frequency converter to regulate the pressure of the pump. The value of the output current is proportional to the differential pressure.
ASSEMBLY PRESSURE SENSOR 0-16 BAR
Item no.: 2501886

For mounting an automatic two-pump system with pressure-dependent operation. The pressure sensor measures the applied pressure and delivers signals which can be evaluated by the ER-2 switchgear.