Data sheet
| Hydraulic data | |
|---|---|
| Maximum operating pressure PN | 16 bar |
| Min. fluid temperature Tmin | -20 °C |
| Max. fluid temperature Tmax | 120 °C |
| Min. ambient temperature Tmin | -15 °C |
| Max. ambient temperature Tmax | 40 °C |
| Motor data | |
|---|---|
| Mains connection | 3~400 V, 50 Hz |
| Voltage tolerance | ±10 % |
| Rated power P2 | 30 kW |
| Motor efficiency class | IE3 |
| Rated current IN | 54.3 A |
| Rated speed n | 1480 1/min |
| Power factor cos φ100 | 0.86 |
| Insulation class | F |
| Installation dimensions | |
|---|---|
| Pipe connection on the suction side DNs | DN 250 |
| Pipe connection on the discharge side DNd | DN 250 |
| Materials | |
|---|---|
| Pump housing | Ductile cast iron |
| Impeller | Grey cast iron 5.1301/EN-GJL-250 |
| Impeller (optional) | CC480K (G-CuSn10) Bronze |
| Shaft | Stainless steel |
| Mechanical seal | AQ1EGG |
| Mechanical seal (optional) | Q1Q1X4GG on request |
| Lantern | Ductile cast iron |
Pump curves
Dimensions and dimensions drawings
NLG
| Dimensions A1 | 14 mm |
| Dimensions A2 | 250 mm |
| Dimensions B2 | 860 mm |
| Dimensions H | 734 mm |
| Dimensions H1 | 350 mm |
| Dimensions H2 | 450 mm |
| Dimensions H3 | 473 mm |
| Dimensions L | 1942 mm |
| Dimensions L1 | 2140 mm |
| Dimensions L2 | 370 mm |
| Dimensions L4 | 2160 mm |
| Dimensions S1 | 390 mm |
| Dimensions S2 | 22 mm |
| Dimensions X | 300 mm |
| Dimensions Ød | 48 mm |
| Dimensions DN1 | DN 250 |
| Dimensions DN2 | DN 250 |
Ordering information
| Product data | |
|---|---|
| Brand | Wilo |
| Product description | CronoNorm-NLG 250/260-30/4 |
| Article number | 4459317 |
| EAN number | 4062679007748 |
| Minimum order quantity | 1 |
| Date of sales availability | 1900-01-01 |
| Packaging | |
|---|---|
| Packaging type | One-way pallet |
| Packaging property | Transport packaging |
| Pieces per pallet | 1 |
| Number per layer | 1 |
| Dimension, weight | |
|---|---|
| Length with packaging | 2200 mm |
| Length L | 2160 mm |
| Height with packaging | 1113 mm |
| Height H | 923 mm |
| Width with packaging | 1100 mm |
| Width W | 860 mm |
| Gross weight, approx. m | 909 kg |
| Net weight, approx. m | 891 kg |
Single-stage centrifugal pump as baseplate pump. With axial suction port and radial discharge port, for installation on a base. Pump with support foot and flanged bearing bracket, elastic spacer coupling, coupling guard and motor mounted to same baseplate.
IEC motor with 3 PTC thermistor sensors. Shaft sealing via non-cooled mechanical seal up to max. 120 °C. Spheroidal cast iron housing, stainless steel shaft, grey cast iron impeller (bronze impeller available at additional charge).
| Materials | |
|---|---|
| Pump housing | Ductile cast iron |
| Impeller | Grey cast iron |
| Lantern | Ductile cast iron |
| Shaft | Stainless steel |
| Shaft seal | AQ1EGG |
| Operating data | |
|---|---|
| Min. fluid temperature Tmin | -20 °C |
| Max. fluid temperature Tmax | 120 °C |
| Maximum operating pressure p | 16.0 bar |
| Max. ambient temperature Tmax | 40 °C |
| Minimum efficiency index (MEI) | 0.4 |
| Motor data | |
|---|---|
| Mains connection | 3~400 V, 50 Hz |
| Voltage tolerance | ±10 % |
| Motor efficiency class | IE3 |
| Rated power P2 | 30000 W |
| Rated speed n | 1480 1/min |
| Rated current IN | 54.3 A |
| Power factor cos φ100 | 0.86 |
| Insulation class | F |
| Installation dimensions | |
|---|---|
| Pipe connection on the suction side DNs | DN 250 |
| Pipe connection on the discharge side DNd | DN 250 |
| Ordering information | |
|---|---|
| Brand | Wilo |
| Net weight, approx. m | 891 kg |
| Product description | CronoNorm-NLG 250/260-30/4 |
| Article number | 4459317 |
Filter by
Datasheet and documentation
Installation type
Continuous, infinitely variable control, differential pressure-sensitive CC-HVAC system (5) | |||
DDG (4-20mA) | |||
Wilo-DDG 10 Signal Trans.(4-20mA)2G VP. | 2136454 | ||
Wilo-DDG 20 Signal Trans.(4-20mA)2G VP. | 2136456 | ||
Wilo-DDG 40 Signal Trans.(4-20mA)2G VP. | 2136458 | ||
Wilo-DDG 60 Signal Trans.(4-20mA)2G VP. | 2136460 | ||
Wilo-DDG 100 Signal Trans.(4-20mA) | 2211740 | ||
Electrical accessories
Differential pressure detection (5) | |||
DDG (4-20mA) | |||
Wilo-DDG 10 Signal Trans.(4-20mA)2G VP. | 2136454 | ||
Wilo-DDG 20 Signal Trans.(4-20mA)2G VP. | 2136456 | ||
Wilo-DDG 40 Signal Trans.(4-20mA)2G VP. | 2136458 | ||
Wilo-DDG 60 Signal Trans.(4-20mA)2G VP. | 2136460 | ||
Wilo-DDG 100 Signal Trans.(4-20mA) | 2211740 | ||
With Wilo as your partner, you can not only be sure of choosing high-quality product solutions, but also of benefiting from a comprehensive, worry-free package of well thought-out services. We collaborate to develop a service concept tailored to your individual needs; with our expertise and personal consultancy, we make sure that the operation of your systems is as energy-efficient, reliable and economical as possible. All the while our competent Wilo service technicians are ready to assist you with fast, reliable and on-time support.
Read moreSupervision | |||
Supervision Norm-/SCP pumps | 2219322 | ||
Commissioning | |||
Commissioning Norm-/SCP pumps | 2160452 | ||
Maintenance | |||
Maintenance BASIC Norm-/SCP pumps | 2160467 | ||
Maintenance COMFORT Norm-/SCP pumps | 2160482 | ||
Maintenance PREMIUM Norm-/SCP pumps | 2160497 | ||
Repairs | |||
Repair Norm-/SCP pumps | 2219611 | ||
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