Efficient Solutions For Water Supply Helix High-Pressure Vertical Multistage Pump

Division WaterTecNAMEX Multistage Wilo Helix Features – Overview Lifting Lugs Spacer coupling 7 ½ Hp Movable flanges New coupling guard IEC- 60 Hz motor Corrosion free base plate High efficient pump housing High efficiency hydraulics Pressure tappings Cartridge seal

Division WaterTecNAMEX Multistage FUTURE PRODUCT RANGE (see timeline) 10, 20, 30, 50, , 160, 230 USGPM 8 (Sleeve Dia) 60 Hz Material : stainless steel, cataphoresis coated C.I. Seals : EPDM, FKM (viton) 250, 375 PSI (model dependant) Lead Free (applied for NSF 61 status) 6 (Sleeve Dia)

Division WaterTecNAMEX Multistage Q2Q3Q4Q1Q2Q3 Helix V 160, 230 Q1Q2Q4Q3 Q4 Product Availability HELIX SCHEDULE – North America 2011 Helix V 100 Helix V 70 V 10,20, 30, 50

Division WaterTecNAMEX Multistage PRODUCT RANGE Helix 100 vs. MVI 80 Helix 100 Nominal Flow – 100 USGPM Max Flow – 150 USGPM Max Hp – 30 Hp Max Head – 750 Max # Stages - 13 MVI 80 Nominal Flow – 80 USGPM Max Flow – 135 USGPM Max Hp – 10 Hp Max Head – 340 Max # Stages - 6

6 Model Designation HELIX V / 2 – 3 / 16 / E Model Type Nominal Flow (100 USGPM) No Stages (02) No Trimmed Impellers (2 of 3) Pressure Rating (16 Bar) Elastomers (E = EPDM)

Division WaterTecNAMEX Multistage Details Hydraulics 2. HYDRAULICS

Division WaterTecNAMEX Multistage HYDRAULICS - Design High Efficiency Hydraulics 2D designImpeller blades Diffuser blades From 2D to 3D optimised complex shapes Click for Video

9 Head Increased by 33% and Flow by 10% Higher Pressure per Stage The patent-pending 3-D design allows a higher pressure per stage for the same high efficient level Hygienic Care No dead spaces in which the fluid might be able to stagnate Smooth material surfaces and corrosion-resistant stainless steel prevent adhesion

Division WaterTecNAMEX Multistage HYDRAULICS – Best combination design & technology High Efficiency via 3D impeller/diffuser Design Helix 3D designs require very accurate stamping and laser welding technology Laser welding technology competition use spot welding Nominal Flow Rate ImpellerDiffuser 100 3D2D 160 3D 230 3D

Division WaterTecNAMEX Multistage Details lantern 2. LANTERN

Division WaterTecNAMEX Multistage

Division WaterTecNAMEX Multistage Easy maintenance: Cartridge + Spacer Coupling Cartridge pre set No additional tools necessary Spacer coupling from 7 ½ Hp No motor removal required Maintenance time reduced by 70%

Division WaterTecNAMEX Multistage X-Seal - Wilo Cartridge for each pump In case of maintenance on the Helix pump we offer 2 alternatives: 2) Changing only the Mechanical seal (Grundfos cant do it) 1) Changing the complete cartridge (like Grundfos)

Division WaterTecNAMEX Multistage PUMP HOUSING – Connection Modules Module Features : Easy installation Competitor compliance Connection options 90 USGPM 160 USGPM 230 USGPM 2 4 Bolt 2 ½ 8 Bolt 3 8 Bolt 250 (300) # ANSI Flanges

Division WaterTecNAMEX Multistage Details pump housing 3. PUMP BODY

Division WaterTecNAMEX Multistage PUMP HOUSING – Details Pressure connection Suction and Discharge Loose flange : For easier installation & accessibility

Division WaterTecNAMEX Multistage PUMP HOUSING – Base plate New base plate : Steel + Zn coating Compliant with GF CR and Lowara SV33-46

Division WaterTecNAMEX Multistage Helix vs Grundfos

Division WaterTecNAMEX Multistage Performance – Comparison to Grundfos - Efficiency

Division WaterTecNAMEX Multistage Performance – Comparison to Grundfos – per stage

Division WaterTecNAMEX Multistage Performance – Comparison to Grundfos – NPSH Req

Division WaterTecNAMEX Multistage Thank you for your attention !