Calpeda - Calpeda Water Pumps

NM Centrifugal Water Pumps - Water Pumps

Close-coupled, centrifugal pumps; electric motor with extended shaft directly connected to the pump.

- Single-impeller
- Two back-to-back impellers (with axial thrust balancing).

NM Water Pump Connections: threaded ports NPT.

NM WATER 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 irrigation.

NM WATER PUMP 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.

NM WATER PUMP 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.

NM WATER PUMP 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.

NM WATER PUMP SPECIAL FEATURES ON REQUEST

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

NM WATER PUMP TECHNICAL DATA:

MODEL	HP	VOLT	PHASE	MAX. AMP	SUCT	DISCH	WT. LBS
NM1A 03A16S	0.3	115	1	7.4	1"	1"	19
NM1A 03C16S	0.3	230	1	3.7	1"	1"	19
NM1A 03H36S	0.3	230/460	3	2.1/1.4	1"	1"	19
NM1S 05A16S	0.5	115	1	8.4	1"	1"	21
NM1S 05C16S	0.5	230	1	4.2	1"	1"	21
NM1S 05H36S	0.5	230/460	3	2.4/1.6	1"	1"	21
NM2A 07F16S	0.7	115/230	1	13/6.5	1"	1"	32
NM2A 07H36S	0.7	230/460	3	4.5/2.3	1"	1"	32