SV Series SV 2, 4, 8, 16 SV 33, 46, 66, 92

1 Lowara SV Series SV 2, 4, 8, 16. SV 33, 46, 66, 92. Vertical Multistage Electric Pumps equipped with high efficiency PLM motors 50 Hz Lowara SV Series . HYDRA ULIC PERFORMANCE RANGE A. HYDRAULIC T 50 Hz AT. WEB 06-2008. 2. Lowara CONTENTS. 5. Specifications .. Characteristics of SV 2, 4, 8, 16 Series .. 6. Characteristics of SV 33, 46, 66, 92 Series .. 6. General Characteristics ..7. Tipical Applications of SV Pumps .. 8. SV 2, 4, 8, 16 Series , Electric Pump Cross Section and Main Components .. 10. SV 33, 46, 66, 92 Series , Electric Pump Cross Section and Main Components .. 11. SV Mechanical Seals .. 12. 13. Motors.

2 SVH Series Pumps with Hydrovar Control System .. 15. Hydraulic Performance Overview, SV Series 50 Hz, 2 poles (~2900 rpm) .. 17. Hydraulic Performance Overview, SV Series 50 Hz, 4 poles (~1450 rpm) .. 18. Table of Hydraulic Performances at 2900 rpm .. 19. Table of Hydraulic Performances at 1450 rpm .. 22. Operating Characteristics at 2900 rpm, 50 Hz .. 25. Operating Characteristics at 1450 rpm, 50 Hz .. 41. Horizontal Version .. 58. Technical Appendix .. 61. 3. Lowara 4. Lowara Vertical MARKET SECTORS. Multistage CIVIL, AGRICULTURAL, LIGHT INDUSTRY, WATER. TREATMENT, HEATING AND AIR CONDITIONING. Electric Pumps APPLICATIONS.

3 APPLICATIONS. SV Series Handling of water, free of suspended solids, in the civil, industrial and agricultural sectors. with high Pressure boosting and water supply systems. efficiency Irrigation systems. PLM Wash systems. motors Water treatment plants. Handling of moderately aggressive liquids, demineralized water, water and glycol, etc. Circulation of hot and cold water for heating, cooling and conditioning systems. Boliler feed. Tested in compliance with ISO 9906 - Annex A. Direction of rotation: clockwise looking at the pump from the top down (marked with an arrow on the adapter and on the coupling). MOTOR.

4 Squirrel cage in short circuit, SPECIFICATIONS. SPECIFICATIONS enclosed construction with external PUMP ventilation. The SV pump is a non-self priming Standard supply Lowara motors up LIQUID END MADE vertical multistage pump coupled to a to 7,5 kW (included) for the 4-pole ENTIREL. ENTIRELYY OF standard motor. version, and up to 22 kW (included). STAINLES. STAINLES. AINLESSS STEEL IN for the 2-pole version. Other motor THE 2-4-8-16 m3/h The liquid end, located between the ST ANDARD VERSION. STANDARD upper cover and the pump casing, is brands for higher powers. held in place by tie rods. The pump The Lowara PLM surface STANDARD.

5 STANDARD casing is available with different motors have efficiency values MECHANICAL SEAL configurations and connection types. that fall within the range CAN BE REPLACED Delivery: up to 120 m3/h /h. normally referred to as WITHOUT REMO VING. REMOVING Head: up to 330 m m. efficiency class 1 1. THE MOTOR FROM IP55 protection. THE PUMP (FOR SV33, Temperature of pumped liquid: 46, 66, 92) -30 C to +120 C for SV 2, 4, 8, 16, Class F insulation. standard version. Performances according to STANDARD MOTOR. STANDARD -30 C to +120 C for SV 33, 46, EN 60034-1. 66, 92, standard version. Standard voltage: CAN BE USED WITH Maximum operating pressure pressure: - Single-phase version: 220-240 V, THE HYDRO.

6 HYDROVVAR - SV 2, 4, 8 with oval flanges: 50 Hz. CONTROL SYSTEM IN 16 bar (PN 16). - Three-phase version: ORDER TO MANAGE - SV 2, 4, 8, 16 with round flanges 220-240/380-415 V, 50 Hz THE OPERATION OF. OPERATION for power up to 3 kW, THE PUMP BASED ON or Victaulic : 25 bar (PN 25). THE SYSTEM - SV 2, 4, 8, 16 with Clamp 380-415/660-690 V, 50 Hz for CONDITIONS AND connections: 16 or 25 bar (PN 16 or power above 3 kW. SAVE ENERG. SAVE ENERGYY PN 25) depending on the number of stages. MATERIALS. - SV 33, 46: 16, 25, 40 bar (PN 16, Materials in contact are PN 25 or PN 40). suitable for use with potable - SV 66, 92: 16, 25 bar (PN 16, PN 25).

7 Water (WRAS certified). 5. Lowara CHARACTERISTIC. CHARACTERISTICSS OF SV 2, 4, 8, 16 Series . Vertical multistage centrifugal pump. All metal parts Seal housing chamber designed to prevent the in contact with the pumped liquid are made of accumulation of air in the critical area next to the stainless steel. mechanical seal. The following versions are available: Mechanical seal according to EN 12756 (ex DIN. - F: round flanges, in-line delivery and suction ports, 24960) and ISO 3069. AISI 304. Versions with round flanges that can be coupled to - T: oval flanges, in-line delivery and suction ports, counter-flanges, according to EN 1092.

8 AISI 304. Threaded, round or oval counter-flanges made of - R: round flanges, delivery port above the suction zinc-plated steel are standard supply for the F, T and port, with four adjustable positions, AISI 304. R versions. - N: round flanges, in-line delivery and suction ports, Round counter-flanges made of stainless steel are AISI 316. standard supply for the N version. - V: Victaulic couplings, in-line delivery and suction Easy maintenance. No special tools required for ports, AISI 316. assembly or disassembly. - N: Clamp couplings, in-line delivery and suction Materials are suitable for handling ports, AISI 316.

9 Potable water (WRAS certified). certified). Reduced axial thrusts enable the use of standard Standard version for temperatures ranging from motors that are easly found in the market. The -30 C to +120 C. Lowara PLM surface motors have efficiency value that fall within the range normally referred to as efficiency class 1 1. CHARACTERISTIC. CHARACTERISTICSS OF SV33, 46, 66, 92 Series . Vertical multistage centrifugal pump with impellers, Balanced mechanical seal according to diffusers and outer sleeve made entirely of stainless EN 12756 (ex DIN 24960) and ISO 3069, wich can steel, and with pump casing and motor adaptor be replaced without removing the motor made of cast iron in the standard version.

10 From the pumppump. N version made entirely of AISI 316 stainless steel. Seal housing chamber designed to prevent the High heads and capacities four sizes: SV 33, 46, accumulation of air in the critical area next to the 66 and92 (replacing the previous models mechanical seal. SV 30 and 60). Materials are suitable for handling Re-designed liquid end provides improved efficiency potable water (WRAS certified). certified). and energy savings. Standard version for temperatures ranging from Innovative axial load compensation system on pumps -30 C to +120 C. with higher head. This ensures reduced axial thrusts Pump body fitted with couplings for installing and enable the use of standard motors that are pressure gauges on both suction and delivery flanges.