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Centrifugal pumps Sivag Pumps series NR-NR4 with a flange connection, directly connected to an electric motor with a special shaft. The suction and discharge nozzles are the same and are located on the same axis. Centrifugal pumps of the NR and NR4 series are used for pumping clean or slightly contaminated liquids. The built-in pumps are made of cast iron. A mechanical seal is used to seal the shaft. An asynchronous motor with efficiency class IE3 is used for the drive.
Technical characteristics of centrifugal pumps NR-NR4:
- Maximum nominal pressure: 10 bar
- Temperature: from -10 ° C to + 90 ° C
- Volume consumption: up to 100 m3/hour
- Nominal discharge height: up to 95 m
- Engine speed: 1450 min-1 and 2900 min-1
Standard sizes of centrifugal pumps NR-NR4:
NR 50D/A, NR 50C/B, NR 32/160B/A, NR 32/160A/A, NR 32/200B/A, NR 32/200A, NR 32/200S/A, NR 40/125C, NR 40/125B/A, NR 40/125A/A, NR 40/160B/A, NR 40/160A/A, NR 40/200B, NR 40/200A/A, NR 50/125F/A, NR 50/125C/A, NR 50/125A/B, NR 50/160C/B, NR 50/160B/A, NR 50/160A/B, NR 50/200D/B, NR 50/200B/A, NR 50/200A/A, NR 50/250C/B, NR 50/250B/B, NR 50/250A/B, NR 65/125F/B, NR 65/125D/A, NR 65/125A/B, NR 65/125S/B, NR 65/160B/A, NR 65/160A/A, NR 65/200B/B, NR 65/200A/B, NR 65/200S/B, NR 65/250C/B, NR 65/250B/B, NR 65/250A/B, NR4 50C/A, NR4 50B/A, NR4 50A/A, NR4 65C/A, NR4 65B/A, NR4 65A/A, NR4 32/160B, NR4 32/160A, NR4 32/200C, NR4 32/200B, NR4 32/200A/A, NR4 40/160B, NR4 40/160A, NR4 40/200B, NR4 40/200A/A, NR4 50/160C, NR4 50/160B, NR4 50/160A/B, NR4 50/200B/B, NR4 50/200A/B, NR4 50/250C/B, NR4 50/250B/B, NR4 50/250A/A, NR4 65/125F, NR4 65/125D, NR4 65/125A/B, NR4 65/125S/B, NR4 65/160B/B, NR4 65/160A/B, NR4 65/200C/B, NR4 65/200B/B, NR4 65/200A/B, NR4 65/250D/B, NR4 65/250C/B, NR4 65/250B/A, NR4 65/250A/A, NR4 100C/B, NR4 100B/B, NR4 100A/B, NR4 125C/B, NR4 125B/A, NR4 125A/A.
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Sivag
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