ºÝºÝߣ

ºÝºÝߣShare a Scribd company logo

Nk

?
?
Nelly Zhivkova
Nelly Zhivkova

This document provides information on NK multi-stage submersible pumps, including their performance range, applications, construction standards, warranties, characteristic curves, and specifications. NK pumps are suitable for clean water applications in domestic, civil, and agricultural use, with flow rates up to 120 l/min and head up to 105 m. They have stainless steel and plastic components, double mechanical seals, and insulation rated for permanent submersion.

1 of 6
Download to read offline
NK Multi-stage submersible pumps PERFORMANCE RANGE INSTALLATION AND USE ? Flow rate up to 120 l/min (7.2 m?/h) As a result of their high efficiency and reliability they are suitable ? Head up to 105 m for use with clean water in domestic, civil and agricultural applica- tions such as the distribution of water in combination with pres- sure sets, for the irrigation of gardens and allotments and for pres- APPLICATION LIMITS sure boosting, etc. ? Maximum liquid temperature +40 ¡ãC ? Maximum sand content 50 g/m? OPTIONALS AVAILABLE ON REQUEST ? 20 m maximum immersion depth ? Continuous service S1 ? Pumps fitted with power cables of other lengths ? Other voltages or 60 Hz frequency CONSTRUCTION AND SAFETY STANDARDS GUARANTEE ? Complete with 20 m long power cable 2 years subject to terms and conditions EN 60335-1 EN 60034-1 IEC 60335-1 IEC 60034-1 CEI 61-150 CEI 2-3 CERTIFICATIONS 176
CHARACTERISTIC CURVES AND PERFORMANCE DATA 50 Hz n= 2900 1/min 0 5 10 15 20 25 30 US g.p.m. 0 5 10 15 20 25 Imp g.p.m. 110 feet 350 NK4/5 100 300 90 NK2/5 NK2/4 80 250 NK4/4 70 NK4/3 Head H (metres) 200 60 NK2/3 50 NK4/2 NK2/2 150 40 NK4/1 NK2/1 30 100 20 50 10 0 0 0 10 20 30 40 50 60 70 80 90 100 110 120 l/min 0 1 2 3 4 5 6 7 m?/h Flow rate Q VERSION WITHOUT FLOAT SWITCH MODEL POWER m?/h 0 0.6 1.2 1.8 2.4 3.0 3.6 4.2 4.8 5.4 6.0 6.6 7.2 Q Single-phase Three-phase kW HP l/min 0 10 20 30 40 50 60 70 80 90 100 110 120 NKm 2/1 ¨C 0.45 0.6 36 35 33 31 28.5 26 23 19 15 NKm 2/2 ¨C 0.55 0.75 48 46 44 41.5 39 35 30 25 19 NKm 2/3 NK 2/3 0.75 1 60 58 55 51 47 42 36 30 23 NKm 2/4 NK 2/4 1.1 1.5 84 80 75 70 65 59 51 42.5 34 NKm 2/5 NK 2/5 1.5 2 90 87 83 78 73 66 58 48 38 H metres NKm 4/1 ¨C 0.55 0.75 40 ¨C 37 36 34.5 32.5 30 28 25 21.5 18.5 14.5 10 NKm 4/2 NK 4/2 0.75 1 50 ¨C 48 46 44 41 38 35 32 28 24 19 14 NKm 4/3 NK 4/3 1.1 1.5 67 ¨C 65 62.5 60 56.5 52 48 44 38 32 25 18 NKm 4/4 NK 4/4 1.5 2 75 ¨C 72 69 66 64 60 57 53 48 43 38 32 NKm 4/5 NK 4/5 2.2 3 105 ¨C 101 98 94 90 86 80 75 67 60 52 44 ¡°GE¡± VERSION WITH FLOAT SWITCH MODEL POWER m?/h 0 0.6 1.2 1.8 2.4 3.0 3.6 4.2 4.8 5.4 6.0 6.6 7.2 Q Single-phase kW HP l/min 0 10 20 30 40 50 60 70 80 90 100 110 120 NKm 2/1 - GE 0.45 0.6 36 35 33 31 28.5 26 23 19 15 NKm 2/2 - GE 0.55 0.75 48 46 44 41.5 39 35 30 25 19 NKm 2/3 - GE 0.75 1 60 58 55 51 47 42 36 30 23 NKm 2/4 - GE 1.1 1.5 84 80 75 70 65 59 51 42.5 34 NKm 2/5 - GE 1.5 2 90 87 83 78 73 66 58 48 38 H metres NKm 4/1 - GE 0.55 0.75 40 ¨C 37 36 34.5 32.5 30 28 25 21.5 18.5 14.5 10 NKm 4/2 - GE 0.75 1 50 ¨C 48 46 44 41 38 35 32 28 24 19 14 NKm 4/3 - GE 1.1 1.5 67 ¨C 65 62.5 60 56.5 52 48 44 38 32 25 18 NKm 4/4 - GE 1.5 2 75 ¨C 72 69 66 64 60 57 53 48 43 38 32 NKm 4/5 - GE 2.2 3 105 ¨C 101 98 94 90 86 80 75 67 60 52 44 Q = Flow rate H = Total manometric head Tolerance of characteristic curves in compliance with EN ISO 9906 App. A. 177
NK (0.45¡Â1.1 kW) POS. COMPONENT CONSTRUCTION CHARACTERISTICS 1 EXTERNAL SLEEVE Stainless steel AISI 304, complete with threaded delivery port in compliance with ISO 228/1 2 SUCTION FILTER Stainless steel AISI 304 3 MOTOR SLEEVE Stainless steel AISI 304 4 IMPELLERS AND DIFFUSERS Noryl GFN2V 5 DIAPHRAGMS Stainless steel AISI 304, complete with anti-wear ring 6 MOTOR SHAFT Stainless steel EN 10088-3 - 1.4104 7 TWO MECHANICAL SEALS SEPARATED BY AN OIL CHAMBER Seal Shaft Position Materials Model Diameter Stationary ring Rotational ring Elastomer MG1-16 ? 16 mm Motor side Silicon carbide Graphite NBR MG1-15 SIC ? 15 mm Pump side Silicon carbide Silicon carbide NBR 8 BEARINGS 6303 2RS - C3 / 6203 ZZ - C3 9 CAPACITOR Pump Capacitance Single-phase (230 V or 240 V) (110 V) NKm 2/1 16 ¦ÌF 500 VL 30 ¦ÌF 250 VL NKm 2/2 16 ¦ÌF 500 VL 30 ¦ÌF 250 VL NKm 4/1 11 1 NKm 2/3 20 ¦ÌF 500 VL ¨C NKm 4/2 NKm 2/4 25 ¦ÌF 500 VL ¨C NKm 4/3 9 8 10 ELECTRIC MOTOR 3 NKm: single-phase 230 V - 50 Hz with thermal overload protector built-in to the winding. 10 NK: three-phase 400 V - 50 Hz. ¨C Insulation: F class. ¨C Protection: IP 68. 6 11 POWER CABLE 8 ? 20 metre long DRINCABLE? for permanent immersion in 12 drinking water 7 12 FLOAT SWITCH 5 4 2 178
DIMENSIONS AND WEIGHT DN MODEL PORT N¡ã DIMENSIONS mm kg Single-phase Three-phase DN STAGES ? h 1~ 3~ NKm 2/1 ¨C 3 495 13.9 ¨C NKm 2/2 ¨C 4 519 14.5 ¨C NKm 2/3 NK 2/3 5 573 16.3 15.2 NKm 2/4 NK 2/4 1?¡± 7 135 621 18.1 18.0 h NKm 4/1 ¨C 4 519 14.3 ¨C NKm 4/2 NK 4/2 5 573 16.2 15.2 NKm 4/3 NK 4/3 7 621 18.1 18.0 ? ABSORPTION MODEL VOLTAGE (single-phase) MODEL VOLTAGE (three-phase) Single-phase 230 V 240 V 110 V Three-phase 230 V 400 V 240 V 415 V NKm 2/1 4.5 A 4.5 A 9.0 A NK 2/3 4.5 A 2.6 A 4.5 A 2.6 A NKm 2/2 5.0 A 5.0 A 10.0 A NK 2/4 5.2 A 3.0 A 5.2 A 3.0 A NKm 2/3 6.0 A 6.0 A ¨C NK 4/2 4.5 A 2.6 A 4.5 A 2.6 A NKm 2/4 7.5 A 7.5 A ¨C NK 4/3 5.2 A 3.0 A 5.2 A 3.0 A NKm 4/1 5.0 A 5.0 A 10.0 A NKm 4/2 6.0 A 6.0 A ¨C NKm 4/3 7.5 A 7.5 A ¨C PALLETIZATION MODEL GROUPAGE CONTAINER n¡ã H kg n¡ã H kg Single-phase Three-phase pumps (mm) 1~ 3~ pumps (mm) 1~ 3~ NKm 2/1 ¨C 30 1015 434 ¨C 60 1890 852 ¨C NKm 2/2 ¨C 30 1015 452 ¨C 60 1890 887 ¨C NKm 4/1 NKm 2/3 NK 2/3 25 869 425 400 40 1307 670 626 NKm 4/2 NK 4/2 NKm 2/4 NK 2/4 25 869 469 467 40 1307 740 737 NKm 4/3 NK 4/3 179
NK (1.5¡Â2.2 kW) POS. COMPONENT CONSTRUCTION CHARACTERISTICS 1 EXTERNAL SLEEVE Stainless steel AISI 304, complete with threaded delivery port in compliance with ISO 228/1 2 SUCTION FILTER Stainless steel AISI 304 3 MOTOR SLEEVE Stainless steel AISI 304 4 IMPELLERS AND DIFFUSERS Noryl GFN2V 5 DIAPHRAGMS Stainless steel AISI 304, complete with anti-wear ring 6 MOTOR SHAFT Stainless steel EN 10088-3 - 1.4104 7 TWO MECHANICAL SEALS SEPARATED BY AN OIL CHAMBER Seal Shaft Position Materials Model Diameter Stationary ring Rotational ring Elastomer MG1-19 ? 19 mm Motor side Silicon carbide Graphite NBR MG1-18 SIC ? 18 mm Pump side Silicon carbide Silicon carbide NBR 8 BEARINGS 6304 2RS - C3 / 6203 ZZ - C3 9 CAPACITOR 11 Pump Capacitance Single-phase (230 V or 240 V) NKm 2/5 35 ¦ÌF 450 VL NKm 4/4 NKm 4/5 50 ¦ÌF 450 VL 1 10 ELECTRIC MOTOR 8 NKm: single-phase 230 V - 50 Hz. 6 Windings up to 1.5 kW with built-in thermal overload protector. ? The NKm4/5 2.2 kW pump is equipped with an external manual reset overload protector housed in 10 the control box. 3 NK: three-phase 400 V - 50 Hz. ¨C Insulation: F class. ¨C Protection: IP 68. 8 11 POWER CABLE ? 20 metre long DRINCABLE? with removable connector 12 for permanent immersion in drinking water 7 12 CONTROL BOX (for single-phase versions) 5 13 FLOAT SWITCH 9 4 2 13 180
DIMENSIONS AND WEIGHT DN MODEL PORT N¡ã DIMENSIONS mm kg Single-phase Three-phase DN STAGES ? h 1~ 3~ NKm 2/5 NK 2/5 6 612 26.7 23.8 h NKm 4/4 NK 4/4 1?¡± 5 153 582 26.0 24.4 NKm 4/5 NK 4/5 7 642 30.5 28.0 ? ABSORPTION MODEL VOLTAGE (single-phase) MODEL VOLTAGE (three-phase) Single-phase 230 V 240 V Three-phase 230 V 400 V 240 V 415 V NKm 2/5 9.0 A 9.0 A NK 2/5 6.2 A 3.6 A 6.2 A 3.6 A NKm 4/4 9.5 A 9.5 A NK 4/4 6.2 A 3.6 A 6.2 A 3.6 A NKm 4/5 14.0 A 14.0 A NK 4/5 8.5 A 4.9 A 8.5 A 4.9 A PALLETIZATION MODEL GROUPAGE CONTAINER n¡ã H kg n¡ã H kg Single-phase Three-phase pumps (mm) 1~ 3~ pumps (mm) 1~ 3~ NKm 2/5 NK 2/5 20 1100 551 493 40 2060 1085 969 NKm 4/4 NK 4/4 20 1100 537 505 40 2060 1058 993 NKm 4/5 NK 4/5 20 1100 627 576 40 2060 1237 1136 181

More Related Content

Nk

  • 1. NK Multi-stage submersible pumps PERFORMANCE RANGE INSTALLATION AND USE ? Flow rate up to 120 l/min (7.2 m?/h) As a result of their high efficiency and reliability they are suitable ? Head up to 105 m for use with clean water in domestic, civil and agricultural applica- tions such as the distribution of water in combination with pres- sure sets, for the irrigation of gardens and allotments and for pres- APPLICATION LIMITS sure boosting, etc. ? Maximum liquid temperature +40 ¡ãC ? Maximum sand content 50 g/m? OPTIONALS AVAILABLE ON REQUEST ? 20 m maximum immersion depth ? Continuous service S1 ? Pumps fitted with power cables of other lengths ? Other voltages or 60 Hz frequency CONSTRUCTION AND SAFETY STANDARDS GUARANTEE ? Complete with 20 m long power cable 2 years subject to terms and conditions EN 60335-1 EN 60034-1 IEC 60335-1 IEC 60034-1 CEI 61-150 CEI 2-3 CERTIFICATIONS 176
  • 2. CHARACTERISTIC CURVES AND PERFORMANCE DATA 50 Hz n= 2900 1/min 0 5 10 15 20 25 30 US g.p.m. 0 5 10 15 20 25 Imp g.p.m. 110 feet 350 NK4/5 100 300 90 NK2/5 NK2/4 80 250 NK4/4 70 NK4/3 Head H (metres) 200 60 NK2/3 50 NK4/2 NK2/2 150 40 NK4/1 NK2/1 30 100 20 50 10 0 0 0 10 20 30 40 50 60 70 80 90 100 110 120 l/min 0 1 2 3 4 5 6 7 m?/h Flow rate Q VERSION WITHOUT FLOAT SWITCH MODEL POWER m?/h 0 0.6 1.2 1.8 2.4 3.0 3.6 4.2 4.8 5.4 6.0 6.6 7.2 Q Single-phase Three-phase kW HP l/min 0 10 20 30 40 50 60 70 80 90 100 110 120 NKm 2/1 ¨C 0.45 0.6 36 35 33 31 28.5 26 23 19 15 NKm 2/2 ¨C 0.55 0.75 48 46 44 41.5 39 35 30 25 19 NKm 2/3 NK 2/3 0.75 1 60 58 55 51 47 42 36 30 23 NKm 2/4 NK 2/4 1.1 1.5 84 80 75 70 65 59 51 42.5 34 NKm 2/5 NK 2/5 1.5 2 90 87 83 78 73 66 58 48 38 H metres NKm 4/1 ¨C 0.55 0.75 40 ¨C 37 36 34.5 32.5 30 28 25 21.5 18.5 14.5 10 NKm 4/2 NK 4/2 0.75 1 50 ¨C 48 46 44 41 38 35 32 28 24 19 14 NKm 4/3 NK 4/3 1.1 1.5 67 ¨C 65 62.5 60 56.5 52 48 44 38 32 25 18 NKm 4/4 NK 4/4 1.5 2 75 ¨C 72 69 66 64 60 57 53 48 43 38 32 NKm 4/5 NK 4/5 2.2 3 105 ¨C 101 98 94 90 86 80 75 67 60 52 44 ¡°GE¡± VERSION WITH FLOAT SWITCH MODEL POWER m?/h 0 0.6 1.2 1.8 2.4 3.0 3.6 4.2 4.8 5.4 6.0 6.6 7.2 Q Single-phase kW HP l/min 0 10 20 30 40 50 60 70 80 90 100 110 120 NKm 2/1 - GE 0.45 0.6 36 35 33 31 28.5 26 23 19 15 NKm 2/2 - GE 0.55 0.75 48 46 44 41.5 39 35 30 25 19 NKm 2/3 - GE 0.75 1 60 58 55 51 47 42 36 30 23 NKm 2/4 - GE 1.1 1.5 84 80 75 70 65 59 51 42.5 34 NKm 2/5 - GE 1.5 2 90 87 83 78 73 66 58 48 38 H metres NKm 4/1 - GE 0.55 0.75 40 ¨C 37 36 34.5 32.5 30 28 25 21.5 18.5 14.5 10 NKm 4/2 - GE 0.75 1 50 ¨C 48 46 44 41 38 35 32 28 24 19 14 NKm 4/3 - GE 1.1 1.5 67 ¨C 65 62.5 60 56.5 52 48 44 38 32 25 18 NKm 4/4 - GE 1.5 2 75 ¨C 72 69 66 64 60 57 53 48 43 38 32 NKm 4/5 - GE 2.2 3 105 ¨C 101 98 94 90 86 80 75 67 60 52 44 Q = Flow rate H = Total manometric head Tolerance of characteristic curves in compliance with EN ISO 9906 App. A. 177
  • 3. NK (0.45¡Â1.1 kW) POS. COMPONENT CONSTRUCTION CHARACTERISTICS 1 EXTERNAL SLEEVE Stainless steel AISI 304, complete with threaded delivery port in compliance with ISO 228/1 2 SUCTION FILTER Stainless steel AISI 304 3 MOTOR SLEEVE Stainless steel AISI 304 4 IMPELLERS AND DIFFUSERS Noryl GFN2V 5 DIAPHRAGMS Stainless steel AISI 304, complete with anti-wear ring 6 MOTOR SHAFT Stainless steel EN 10088-3 - 1.4104 7 TWO MECHANICAL SEALS SEPARATED BY AN OIL CHAMBER Seal Shaft Position Materials Model Diameter Stationary ring Rotational ring Elastomer MG1-16 ? 16 mm Motor side Silicon carbide Graphite NBR MG1-15 SIC ? 15 mm Pump side Silicon carbide Silicon carbide NBR 8 BEARINGS 6303 2RS - C3 / 6203 ZZ - C3 9 CAPACITOR Pump Capacitance Single-phase (230 V or 240 V) (110 V) NKm 2/1 16 ¦ÌF 500 VL 30 ¦ÌF 250 VL NKm 2/2 16 ¦ÌF 500 VL 30 ¦ÌF 250 VL NKm 4/1 11 1 NKm 2/3 20 ¦ÌF 500 VL ¨C NKm 4/2 NKm 2/4 25 ¦ÌF 500 VL ¨C NKm 4/3 9 8 10 ELECTRIC MOTOR 3 NKm: single-phase 230 V - 50 Hz with thermal overload protector built-in to the winding. 10 NK: three-phase 400 V - 50 Hz. ¨C Insulation: F class. ¨C Protection: IP 68. 6 11 POWER CABLE 8 ? 20 metre long DRINCABLE? for permanent immersion in 12 drinking water 7 12 FLOAT SWITCH 5 4 2 178
  • 4. DIMENSIONS AND WEIGHT DN MODEL PORT N¡ã DIMENSIONS mm kg Single-phase Three-phase DN STAGES ? h 1~ 3~ NKm 2/1 ¨C 3 495 13.9 ¨C NKm 2/2 ¨C 4 519 14.5 ¨C NKm 2/3 NK 2/3 5 573 16.3 15.2 NKm 2/4 NK 2/4 1?¡± 7 135 621 18.1 18.0 h NKm 4/1 ¨C 4 519 14.3 ¨C NKm 4/2 NK 4/2 5 573 16.2 15.2 NKm 4/3 NK 4/3 7 621 18.1 18.0 ? ABSORPTION MODEL VOLTAGE (single-phase) MODEL VOLTAGE (three-phase) Single-phase 230 V 240 V 110 V Three-phase 230 V 400 V 240 V 415 V NKm 2/1 4.5 A 4.5 A 9.0 A NK 2/3 4.5 A 2.6 A 4.5 A 2.6 A NKm 2/2 5.0 A 5.0 A 10.0 A NK 2/4 5.2 A 3.0 A 5.2 A 3.0 A NKm 2/3 6.0 A 6.0 A ¨C NK 4/2 4.5 A 2.6 A 4.5 A 2.6 A NKm 2/4 7.5 A 7.5 A ¨C NK 4/3 5.2 A 3.0 A 5.2 A 3.0 A NKm 4/1 5.0 A 5.0 A 10.0 A NKm 4/2 6.0 A 6.0 A ¨C NKm 4/3 7.5 A 7.5 A ¨C PALLETIZATION MODEL GROUPAGE CONTAINER n¡ã H kg n¡ã H kg Single-phase Three-phase pumps (mm) 1~ 3~ pumps (mm) 1~ 3~ NKm 2/1 ¨C 30 1015 434 ¨C 60 1890 852 ¨C NKm 2/2 ¨C 30 1015 452 ¨C 60 1890 887 ¨C NKm 4/1 NKm 2/3 NK 2/3 25 869 425 400 40 1307 670 626 NKm 4/2 NK 4/2 NKm 2/4 NK 2/4 25 869 469 467 40 1307 740 737 NKm 4/3 NK 4/3 179
  • 5. NK (1.5¡Â2.2 kW) POS. COMPONENT CONSTRUCTION CHARACTERISTICS 1 EXTERNAL SLEEVE Stainless steel AISI 304, complete with threaded delivery port in compliance with ISO 228/1 2 SUCTION FILTER Stainless steel AISI 304 3 MOTOR SLEEVE Stainless steel AISI 304 4 IMPELLERS AND DIFFUSERS Noryl GFN2V 5 DIAPHRAGMS Stainless steel AISI 304, complete with anti-wear ring 6 MOTOR SHAFT Stainless steel EN 10088-3 - 1.4104 7 TWO MECHANICAL SEALS SEPARATED BY AN OIL CHAMBER Seal Shaft Position Materials Model Diameter Stationary ring Rotational ring Elastomer MG1-19 ? 19 mm Motor side Silicon carbide Graphite NBR MG1-18 SIC ? 18 mm Pump side Silicon carbide Silicon carbide NBR 8 BEARINGS 6304 2RS - C3 / 6203 ZZ - C3 9 CAPACITOR 11 Pump Capacitance Single-phase (230 V or 240 V) NKm 2/5 35 ¦ÌF 450 VL NKm 4/4 NKm 4/5 50 ¦ÌF 450 VL 1 10 ELECTRIC MOTOR 8 NKm: single-phase 230 V - 50 Hz. 6 Windings up to 1.5 kW with built-in thermal overload protector. ? The NKm4/5 2.2 kW pump is equipped with an external manual reset overload protector housed in 10 the control box. 3 NK: three-phase 400 V - 50 Hz. ¨C Insulation: F class. ¨C Protection: IP 68. 8 11 POWER CABLE ? 20 metre long DRINCABLE? with removable connector 12 for permanent immersion in drinking water 7 12 CONTROL BOX (for single-phase versions) 5 13 FLOAT SWITCH 9 4 2 13 180
  • 6. DIMENSIONS AND WEIGHT DN MODEL PORT N¡ã DIMENSIONS mm kg Single-phase Three-phase DN STAGES ? h 1~ 3~ NKm 2/5 NK 2/5 6 612 26.7 23.8 h NKm 4/4 NK 4/4 1?¡± 5 153 582 26.0 24.4 NKm 4/5 NK 4/5 7 642 30.5 28.0 ? ABSORPTION MODEL VOLTAGE (single-phase) MODEL VOLTAGE (three-phase) Single-phase 230 V 240 V Three-phase 230 V 400 V 240 V 415 V NKm 2/5 9.0 A 9.0 A NK 2/5 6.2 A 3.6 A 6.2 A 3.6 A NKm 4/4 9.5 A 9.5 A NK 4/4 6.2 A 3.6 A 6.2 A 3.6 A NKm 4/5 14.0 A 14.0 A NK 4/5 8.5 A 4.9 A 8.5 A 4.9 A PALLETIZATION MODEL GROUPAGE CONTAINER n¡ã H kg n¡ã H kg Single-phase Three-phase pumps (mm) 1~ 3~ pumps (mm) 1~ 3~ NKm 2/5 NK 2/5 20 1100 551 493 40 2060 1085 969 NKm 4/4 NK 4/4 20 1100 537 505 40 2060 1058 993 NKm 4/5 NK 4/5 20 1100 627 576 40 2060 1237 1136 181