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Calpeda - Above Ground Calpeda

NM 25 - Pumps

Close-coupled, centrifugal pumps for special applications; electric motor with extended shaft directly connected to the pump.
  • Single-impeller
  • Two back-to-back impellers (with axial thrust balancing).
Connections: threaded ports NPT.


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 irrigation.

OPERATING CONDITIONS

  • Liquid temperature from 14 °F to 194 °F.
  • Ambient temperature up to 104 °F.
  • Total suction lift up to 23 ft.
  • Maximum permissible working pressure up to 145 psi
  • (232 psi for pumps NMD).
  • Continuous duty.

MOTOR

  • 2-pole induction motor, 60 Hz (n ˜ 3450 rpm).
  • Three-phase 230/460 V.
  • Single-phase 115/230 V, 115 V, 230 V.
  • Insulation class F.
  • Protection IP 44.

MATERIALS

  • Pump casing: Cast iron.
  • Lantern bracket: GJL 200 EN 1561.
  • Impeller: Brass CW510L (lead free public LAW 111-380).
  • Shaft: Cr steel AISI 430.
  • Cr Ni steel AISI 302 for 1 - 1.5 - 2.5 - 3 HP.
  • Mechanical seal: Carbon- Ceramic- NBR.

SPECIAL FEATURES ON REQUEST

  • Other voltages.
  • Special mechanical seal
  • Higher or lower liquid or ambient temperatures.

PUMP TECHNICAL DATA:

MODEL

HP 

VOLT

PHASE

MAX. AMP

SUCT

DISCH

SPECIAL FEATURE

WT. LBS

NM2512A 10H36S

1

230/400

3

4.7/2.7

1 1/2”

1”

Voltage, Mechanical Seal, Stainless Steel AISI 316 Impeller

30

NM2512A 10C17S

1

230

1

6.5

1 1/2”

1”

50/60 Hz Tropicalized Motor

32

NM25160B 15H36S

1.5

277/480

3

6.0/3.5

1 1/2”

1”

Voltage

44



NM 25
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