Linn-Pumpen GmbH
- Home
- Companies
- Linn-Pumpen GmbH
- Products
- Linn - Model NM4, NMS4 - Close Coupled ...
Linn - Model NM4, NMS4 -Close Coupled Centrifugal Pumps with Flanged Connections
FromLinn-Pumpen GmbH
Close-coupled centrifugal pumps; electric motor with extended shaft directly connected to the pump up to 30 kW, new bracket construction for standard motors (stub-shaft construction) from 37 to 75 kW with integrated thrust bearing. Pump casing with axial suction and radial delivery on top, main dimensions and performance according to EN 733. NM(S): version with pump casing and lanter bracket in cast iron. B-NM(S): version with pump casing and lanter bracket/casing cover in bronze. (the pumps are supplied fully painted).
Most popular related searches
close coupled centrifugal pump
centrifugal pumping
centrifugal pump
close coupled pump
coupled pump
centrifuge
air conditioning
fire fighting
water supply
centrifugal electric pump
Applications
- For clean liquids without abrasives, which are non-aggressive for the pump materials (solids content up to 0,2%).
- For water supply.
- For heating, air conditioning, cooling and circulation plants.
- For civil and industrial applications.
- For fire fighting applications. For irrigation.
Operating conditions
- Liquid temperature from -10 °C to +90 °C.
- Ambient temperature up to 40° C.
- Total suction lift up to 7 m.
- Maximum permissible working pressure up to 10 bar.
- Continuous duty.
Motor
- 4-pole induction motor, 50 Hz (n ≈ 1450 rpm).
- NM4, NMS4: three-phase 230/400 V ± 10% up to 3 kW; 400/690 V ± 10% from 4 to 75 kW.
- Insulation class F. Protection IP 54 (IP 55 for NMS).
- Classification scheme IE2 for three-phase motor from 0,75 kW.
- Constructed in accordance with: EN 60034-1; EN 60034-30.
Special features on request
- Other voltages. Frequency 60 Hz (as per 60 Hz data sheet).
- Protection IP 55.Special mechanical seal.
- Explosion proof construction in accordance with Directive 94/9 EEC (ATEX).
- Higher or lower liquid or ambient temperatures.
