Helix2.0-VE 204-2/25/V/KS/3

Wilo

Helix2.0-VE 204-2/25/V/KS/3

رقم القطعة: wilo-4250637

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الوصف

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” coloured 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 - Variable pressure p-v - 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 - Maximum pressure limit detection - Minimum 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 ... 480 V, ±10 %, 50/60 Hz TN, TT, IT - Fluid temperature range: - With EPDM: -30 ... 120 °C (130 °C possible with cartridge and below 16 bar) - With FKM: -15 ... 90 °C - Max. operating pressure: 16/25 bar - IP rating: IP55 - Max. ambient temperature: +50 °C (extended temperature ranges on request) - Available versions: - Helix VE 2 – 16: PN 16 with oval flanges, PN 25 with compatible round flanges according to ISO 2531 and ISO 7005 (Victaulic coupling or tri-clamp connection on request) - Helix VE 22 – 105: PN 16 and PN 25 with round flanges according to ISO 2531 and ISO 7005 Materials Helix2.0 VE 2, 4, 6, 10, 16: Pump material combination 1 - 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 made of 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 (AISI 316L) - O-ring made of EPDM (FKM gasket on request) - Jacket pipe made of stainless steel 1.4301 (AISI 304) Pump material combination 2 - Impellers, stage housings and guide vanes made of stainless steel 1.4404 (AISI 316L) - Pump housing made of stainless steel 1.4404 (AISI 316L) - Shaft made of stainless steel 1.4404 (AISI 316L) or 1.4462 (AISI 318LN) (depending on version) - Sleeve under the mechanical seal 1.4404 (AISI 316L) - O-ring made of FKM (EPDM gasket on request) - Jacket pipe made of stainless steel 1.4404 (AISI 316L) Helix2.0 VE 22, 36, 52, 80, 105: Pump material combination 1 - Stage housings, impellers, guide vanes made of stainless steel 1.4307 (AISI 304L) - Pump housing made of stainless steel 1.4308 (AISI 304), loose flanges made of cataphoretic-coated cast iron EN-GJL 250 or EN-GJS 400 - Shaft made of stainless steel 1.4057 (AISI 431) - Sleeve under the mechanical seal 1.4404 (AISI 316L) - O-ring made of EPDM (FKM gasket on request) - Jacket pipe made…

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