Monobloc centrifugal electric pumps with direct motor-pump coupling and single shaft.
NM: with a bun.
NMD: with two opposed impellers (with balanced axial thrust).
Holes: UNI-ISO 228/1 threaded.
NM, NMD: Version with pump body and iron coupling. B-NM, B-NMD: Version with pump body and coupling in bronze. (Bronze pumps are supplied fully painted).
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