High Pressure Centrifugal Pumps Product Overview

High Pressure Centrifugal Pumps Product Overview High Pressure Centrifugal Pumps Product Overview Wilo-Economy MHI Duty chart H[m] 6 5 4 Wilo-Economy-MHI 5 Hz Non self-priming pumps for: Water supply and pressure boosting Commerce and industry, Cooling water circuits, Washing and sprinkling systems 3 2 1 MHI 2 MHI 4 MHI 8 MHI 16 2 3 4 5 6 7 8 1 2 3 [m /h] Wilo-Multivert S Duty chart H[m] 1 Wilo-Multivert-S 5 Hz Non self-priming pumps for: Water supply and pressure boosting systems 8 6 4 2 S 2 S 4 S 8 2 4 6 8 1 Wilo-Multivert Duty chart H[m] 2 16 12 8 4 1 Wilo-Multivert 5 Hz 2 4 8 16-6 Non self-priming pumps for: Water supply and pressure boosting Fire extinguishing systems Boiler feed systems Industrial circulation systems Process technology Cooling water circuits Washing and sprinkling systems 1 2 3 4 5 6 7 8 1 15 H[m] Wilo-Multivert 5 Hz 2 16 12 16 32 52 8 4 4 5 6 7 8 1 2 3 134 As of: 6/24 - Subject to change without prior notice

High Pressure Centrifugal Pumps Product Advantages Product Advantages Wilo-Economy MHI All parts in contact with the fluid medium in stainless steel 1.431 (AISI 34) Compact construction All relevant components are KTW and WRAS approved Wilo-Multivert S Low noise (up to 2 db [A] quieter than conventional pumps) All parts in contact with the fluid medium are corrosion proof Glandless pump technology All relevant components are KTW and WRAS approved Wilo-Multivert All parts in contact with the fluid medium are corrosion proof Drive via IEC standard motors All relevant components are KTW and WRAS approved All parts in contact with the fluid medium in stainless steel1.431 (AISI 34), with the exception of 16.. to 52..: Pump base EN-GJL-25, cataphoresis coated. Other materials optional. High pressure centrifugal pumps Vesion: 6/24 - Subject to technical modifications 135

Version overview Wilo-Economy MHI Material Wilo-Economy MHI 2/4/8/16 Pump base EN-GJL-25 with cataphoresis coating hydraulics in 1.431/1.444 (AISI 34/316L) Parts that come into contact with the fluid in 1.431 (AISI 34) Parts that come into contact with the fluid in 1.444 (AISI 316L) Seal versions EPDM Viton Hydraulic connection Screw thread (only vers. 2../4../8..) Oval flange Round flange Victaulic quick coupling Motor versions Individual motors optional 1~23 V, 5 Hz (up to P 2 = 1.5 kw) 3~23 V, 5 Hz 3~4 V, 5 Hz (to P 2 = 4 kw for 23/4 V; starting with P 2 = 5.5 kw only 4 V ) 3~5 V, 5 Hz 1~11 V, 6 Hz 1~22 V, 6 Hz 3~38 V, 6 Hz optional 3~4 V, 6 Hz optional 3~44 V, 6 Hz optional 3~46 V, 6 Hz 3~48 V, 6 Hz 3~38 V to 44 V and 5 Hz to 6 Hz IP 54 IP 55 Ex-protected motors Motors with PTC thermistors Motors with UL certificates Motors with CSA certificates Thermal motor protection = standard version, = not on hand and/or not obtainable (with 1~ motors) 24 Subject to change without prior notice 9/26 Wilo AG

Version overview Wilo-Economy MHI Motor versions (continued) Wilo-Economy MHI 2/4/8/16 RPM-regulated by means of external frequency converter (FU) Integrated frequency converter Paintwork Custom paintwork optional Mechanical seals Tungsten carbide/carbon Tungsten carbide/tungsten carbide SiC/SiC optional optional Potable water authorisations KTW WRAS = standard version, = not on hand and/or not obtainable Accessories Wilo Catalogue B3 - High-Pressure Multistage Centrifugal Pumps 25

Technical data Wilo-Economy MHI Wilo-Economy MHI 2.. 4.. 8.. 16.. Approved fluids Potable water, heating water, process water Condensate Water-glycol mixture (up to 4% vol. share of glycol/performance check required starting with 1% vol. share of glycol) Other low-viscosity fluids (without abrasive or long-fibre constituents, insofar as they do not attack the materials used) Performance (with 5 Hz operation) Maximum flow volume 5 8 12 25 Maximum delivery head [m] 7 7 6 47 Fluid temperature [ C] -15 to +11-15 to +11-15 to +11-15 to +11 Ambient temperature [ C] 4 4 4 4 Operating pressure [bar] 1 1 1 1 Intake pressure [bar] 6 6 6 6 Rated motor speed [1/min] 295 295 295 295 Motor Mains connection 1~ [V/Hz] (permitted voltage tolerance ± 1%) Mains connection 3~ [V/Hz] (permitted voltage tolerance ± 1%) 23/5 or 22/6 23/5 or 22/6 4/5 Y or 38/6 Y Insulation class F F F F Radio interference level EN 618-3 EN 618-3 EN 618-3 EN 618-3 Protection class IP 54 IP 54 IP 54 IP 54 Connections Nominal width pipe connections [] 1 1 Flange connections in PN16/PN25 [DN] Victaulic connections Materials Impellers 1.431/1.444 1.431/1.444 1.431/1.444 1.431/1.444 Stage chambers 1.431/1.444 1.431/1.444 1.431/1.444 1.431/1.444 Pump housing 1.431/1.444 1.431/1.444 1.431/1.444 1.431/1.444 Shaft 1.444 1.444 1.444 1.444 = available, = not available Note on intake pressure: Maximum intake pressure is calculated by subtracting the maximum delivery head of the pump when = from the maximum operating pressure of the system. Note concerning materials: 1.431 corresponds to AISI 34, 1.444 corresponds to AISI 316L. 26 Subject to change without prior notice 9/26 Wilo AG

Technical data Wilo-Economy MHI Wilo-Economy MHI 2.. 4.. 8.. 16.. Materials (continued) Seal EPDM (EP 851)/Viton EPDM (EP 851)/Viton EPDM (EP 851)/Viton EPDM (EP 851)/Viton Housing cover 1.431/1.444 1.431/1.444 1.431/1.444 1.431/1.444 Housing, lower part Mechanical seal B-carbon/tungsten carbide Pressure shell 1.431/1.444 1.431/1.444 1.431/1.444 1.431/1.444 Bearing tungsten carbide tungsten carbide tungsten carbide tungsten carbide Pump base aluminium aluminium aluminium aluminium Pump base (in contact with the flow medium) = available, = not available Note on intake pressure: Maximum intake pressure is calculated by subtracting the maximum delivery head of the pump when = from the maximum operating pressure of the system. Note concerning materials: 1.431 corresponds to AISI 34, 1.444 corresponds to AISI 316L. Accessories Wilo Catalogue B3 - High-Pressure Multistage Centrifugal Pumps 27

Pump curves Wilo-Economy MHI Wilo-Economy MHI 22 to MHI 26 7 26 Wilo-Economy-MHI 22-26 5 Hz 6 25 5 NPSH [m] H[m] 24 4 3 23 2 22 1,5 1 1,5 2 2,5 3 3,5 4 4,5 5 5,5,5 1 1,5 5 4 3 p 2 1 NPSH [l/s] 5 4 3 2 1 p [%],5 1 1,5 2 2,5 3 3,5 4 4,5 5 5,5 1 26,8 P 2 [kw],6,4 25 24,2 23 22,5 1 1,5 2 2,5 3 3,5 4 4,5 5 5,5 Pump curves in accordance with ISO 996, class 2 28 Subject to change without prior notice 9/26 Wilo AG

Pump curves Wilo-Economy MHI Wilo-Economy MHI 42 to MHI 46 7 6 5 46 45 Wilo-Economy-MHI 42-46 5 Hz 44 NPSH [m] H[m] 4 43 3 2 42 1 1 2 3 4 5 6 7 8,5 1 1,5 2 6 4 p 2 NPSH [l/s] 6 4 2 p [%] Accessories 1 2 3 4 5 6 7 8 1,4 1,2 1, 46 P 2 [kw],8,6 45 44,4 43,2 42 1 2 3 4 5 6 7 8 Pump curves in accordance with ISO 996, class 2 Wilo Catalogue B3 - High-Pressure Multistage Centrifugal Pumps 29

Pump curves Wilo-Economy MHI Wilo-Economy MHI 82 to MHI 85 7 Wilo-Economy-MHI 82-85 5 Hz 6 85 5 84 NPSH [m] H[m] 4 83 3 2 82 1 2 4 6 8 1 12 5 1 15 2 25 3 35 8 6 p 4 2 NPSH [l/s] 8 6 4 2 p [%] 2 4 6 8 1 12 2 1,75 85 1,5 1,25 84 P 2 [kw] 1 83,75,5 82,25 2 4 6 8 1 12 Pump curves in accordance with ISO 996, class 2 3 Subject to change without prior notice 9/26 Wilo AG

Pump curves Wilo-Economy MHI Wilo-Economy MHI 162 to MHI 164 5 45 4 35 164 Wilo-Economy-MHI 162-164 5 Hz 163 3 NPSH [m] H[m] 25 162 2 15 1 5 5 1 15 2 25 1 2 3 4 5 6 7 8 6 4 p 2 NPSH [l/s] 8 6 4 2 p [%] Accessories 5 1 15 2 25 3 2,5 2 164 P 2 [kw] 1,5 163 1 162,5 5 1 15 2 25 Pump curves in accordance with ISO 996, class 2 Wilo Catalogue B3 - High-Pressure Multistage Centrifugal Pumps 31

Terminal diagram, motor data Wilo-Economy MHI Terminal diagram 3 ~ 4 V 1 ~ 23 V W 2 U 2 V 2 U 1 V 1 W 1 W 2 U 1 W 1 L L 1 L 2 L 3 3 ~ 23 V W 2 U 2 V 2 U 1 V 1 W 1 L 1 L 2 L 3 Motor data Wilo-Economy Nominal power P 2 Nominal current I N 1~23 V 3~23 V 3~4 V [kw] MHI 22.55 4. 3. 1.7 MHI 23.55 4. 3. 1.7 MHI 24.55 4. 3. 1.7 MHI 25.75 5.1 3.6 2.1 MHI 26 1.1 7.2 5.3 3.1 MHI 42.55 4. 3. 1.7 MHI 43.55 4. 3. 1.7 MHI 44.75 5.1 3.6 2.1 MHI 45 1.1 7.2 5.3 3.1 MHI 46 1.5 9.2 6.6 3.8 MHI 82.75 5.1 3.4 2. MHI 83 1.1 6.8 4.9 2.8 MHI 84 1.5 9.8 6.1 3.5 MHI 85 1.85 8.55 4.95 MHI 162 1.5 6.6 3.8 MHI 163 1.85 8.55 4.95 MHI 164 2.5 1.1 5.85 [A] 32 Subject to change without prior notice 9/26 Wilo AG

Dimensions, weights Wilo-Economy MHI Dimension drawings Economy MHI 22 to MHI 85 Economy MHI 162 to MHI 164 Ø 1 /4" D 14 E F G H 16 Ø 1 /4" D 15 E F G H 16 Ø 1 / 4" Ø 9 A B 18 Ø 1 / 4" Ø 9 A B 18 C 19 C 19 Terminal box AC version (illustrated in dashed lines) Terminal box AC version (illustrated in dashed lines) Dimensions, weights Wilo-Economy Dimensions Weight A B C D E F G Hs 1~ 23 V 3~ 4 V 1~ 23 V 3~ 4 V 1~ 23 V 3~ 4 V 1~ 23 V 3~ 4 V 1~ 23 V [mm] [mm] [kg] MHI 22 25 95 95 375 375 216 192 9 9 1 11 1 9.8 8.9 MHI 23 25 95 95 375 375 216 192 9 9 1 11 1 9.8 8.9 MHI 24 253 95 95 423 423 216 192 9 9 1 158 1 1.6 9.7 MHI 25 253 95 95 423 423 216 192 9 9 1 158 1 12.2 11.3 MHI 26 277 13.5 95 472 447 224 192 9 9 1 182 1 15.7 12.9 MHI 42 25 95 95 375 375 216 192 9 9 MHI 43 25 95 95 375 375 216 192 9 9 MHI 44 253 95 95 423 423 216 192 9 9 MHI 45 253 13.5 95 448 423 224 192 9 9 MHI 46 277 13.5 13.5 472 472 224 26 1 9 MHI 82 217 95 95 387 387 216 192 9 9 MHI 83 217 14 95 412 387 224 192 9 9 MHI 84 277 14 14 472 472 224 26 9 9 MHI 85 277 14 472 26 9 3~ 4 V 11 1 9.8 8.9 11 1 9.8 8.9 158 1 12.2 11.3 158 1 15.2 12.9 182 1 16.7 15.2 122 122 182 182 MHI 162 237 13.5 432 26 9 2 138 MHI 163 23 13.5 432 26 9 2 138 MHI 164 282 136.5 515 221 1 2 183 11.5 1.6 14.5 12.2 16 15.8 17 15.5 17.7 21.1 Accessories Wilo Catalogue B3 - High-Pressure Multistage Centrifugal Pumps 33