NM threaded connection
Monoblock centrifugal pumps Calpeda NM, NMD

 


 

Design:
Monoblock centrifugal pumps with direct connection between the engine and the pump and a common shaft.
Bells: threaded UNI-ISO 228/1.
Series NM: one impeller.
NMD series: two impellers placed oppositely with balanced axial force.

 

Application:
Pumping of clean liquids that are not aggressive to materials and do not contain abrasive impurities from which the pump is made (solids content max. 0.2%).
Use in heating, air conditioning, cooling and circulation installations.
Use in household and industrial areas.
Use in fire fighting installations.
Irrigation.
Water supply.

 

Operating restrictions:
- Continuous operation.
- Fluid temperature from -10°C to +90°C.
- Ambient temperature not more than 40°C.
- Manometric suction lift max. 7 m.
- Maximum allowable final pressure in the pump housing: 10 bar (16 bar for pumps NMD 25/190, NMD 32/210, NMD 40/180).

 

ComponentNM, NMDB-NM, B-NMD
pump housingCast iron GJL 200 EN 1561Bronze G-Cu Sn 10 EN 1982
Connecting partCast iron GJL 200 EN 1561Bronze G-Cu Sn 10 EN 1982
working wheelBrass P-Cu Zn 40 Pb 2 UNI 5705Brass P-Cu Zn 40 Pb 2 UNI 5705
Impeller NM17Cast iron GJL 200 EN 1561Bronze G-Cu Sn 10 EN 1982
ShaftSteel Cr AISI 430Steel Cr Ni Mo AISI 316
Steel Cr Ni AISI 303 up to 1.1 - 1.5 - 2.2 kW
mechanical sealCharcoal - Ceramics - NBR
Specifications

n = 2900 rpm

 

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NM threaded connection

NM threaded connection

NM threaded connection


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Pump Calpeda B-NMD 32/210D/B
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Pump Calpeda B-NMD 40/180D/B
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Pump Calpeda B-NMDM 20/110A/A
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Pump Calpeda B-NMDM 20/110B/A
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Pump Calpeda B-NMDM 20/110Z/A
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Pump Calpeda B-NMDM 20/140AE
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Pump Calpeda B-NMDM 20/140BE
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Pump Calpeda B-NMM 17/HE
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Pump Calpeda B-NMM 20/160AE
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Pump Calpeda B-NMM 25/12A/A
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Pump Calpeda B-NMM 25/12B/A
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Pump Calpeda B-NMM 25/160AE
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Pump Calpeda NM 1/AE
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Showing 25 to 48 of 105 (5 Pages)
Модули для Opencart
Cast ironBronzekWQ (m3/h)Q (l/min)H(m)
NM 1/AE0.371 - 4.216 - 7022 - 16.3
NM 2/BE0.551 - 4.816 - 8027 - 20
NM 2/SE0.551 - 4.816 - 8031 - 16
NM 2/AE0.751616 - 10033.5 - 24
NMM 3/CE1.11.2 - 4.820 - 8037.5 - 32
NM 3/CE1.11.2 - 620 - 10037.5 - 28.5
NMM 3/BE1.51.2 - 620 - 10042 - 32
NM 3/BE1.51.2 - 8.420 - 14047 - 26
NM 3/AE2.21.2 - 8.420 - 14056 - 36
kWQ (m3/h)Q (l/min)H(m)
NMD 20/110BEB-NMD 20/110BE0.451 - 3.616 - 6033 - 18
NMD 20/110ZEB-NMD 20/110ZE0.551 - 4.216 - 7037 - 18