Pump Selector
Pump Selector
pump
Model
BNMS4 125/315B-60/A
Family
NM, NMS
Code
61V0210101003
Speed
Fixed speed
Max Flow Rate
330,00 m³/h
H max
32,00 m
Pump casing
Bronze G-Cu Sn 10 EN 1982
Min Flow Rate
84,00 m³/h
Min head
14,50 m
kW
22,00
kW
Power consumption
---
Efficiency
---
Curve
Loading...
Pump and motor datasheet
-
n (rpm):
1750
-
N. of impellers:
1
-
H max (m):
32.00
-
H min (m):
14.50
-
Q min (mc/h):
84.00
-
Q max (mc/h):
330.00
-
Pn (kW):
22.00
-
Pn (HP):
30.00
-
Impeller diameter (mm):
271.00
-
Motor type:
IM
-
Motor phases:
3~
-
Un (V):
380/660
-
fn (Hz):
60
-
Motor poles:
4
-
Service:
S1
-
Min liquid temperature (°C):
-10.00 °C
Construction materials
-
Pump Casing:
Bronze G-Cu Sn 10 EN 1982
-
Casing Cover:
Bronze G-Cu Sn 10 EN 1982
-
Lantern bracket:
Cast iron GJL 200 EN 1561
-
Impeller:
Bronze G-Cu Sn 10 EN 1982
-
Shaft:
Cr-Ni-Mo steel 1.4401 EN 10088 (AISI 316)
-
Mechanical Seal:
Carbon-Ceramic-NBR
-
Counterflanges:
Steel S235JR 1.0038 EN 10025-2
Files
Dimensions (mm)
- a 140.00 mm
- b 100.00 mm
- b1 70.00 mm
- fM 1018.00 mm
- g1 27.00 mm
- g2 6.00 mm
- h1 280.00 mm
- h2 355.00 mm
- l1 249.00 mm
- l2 278.00 mm
- m1 200.00 mm
- m2 150.00 mm
- m4 520.00 mm
- m5 435.00 mm
- n1 500.00 mm
- n2 400.00 mm
- n4 349.00 mm
- n5 279.00 mm
- HD 539.00 mm
- w 318.00 mm
- w1 25.00 mm
- dn1 150
- dn2 125
- s1 22
- s2 15
NM, NMS
Close coupled centrifugal pumps with flanged connections 2- and 4- poles
Construction
NM, NM4 Close-coupled centrifugal pumps; electric motor with extended shaft directly connected to the pump up to 22 kW (15 kW for NM4).NMS, NMS4 Close-coupled centrifugal pumps, new bracket construction for standard motors (stub-shaft construction) with integrated thrust bearing.
Rated speed of rotation (50 Hz):
NM, NMS ? 2900 rpm.
NM4, NMS4 ? 1450 rpm.
Pump casing with axial suction and radial delivery on top, main dimensions and performance according to EN 733 with additional sizes for completion. (NMS4 80/400).
N 40-250C version with pump casing and lantern bracket in cast iron.
BNM(S), BNM(S)4: version with pump casing and lantern bracket/casing cover in bronze.
The pumps are supplied fully painted.
Version with frequency converter (on request).
Application
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 -10 °C to +90 °C.Ambient temperature up to 40° C.
Total suction lift up to 7 m.
Maximum permissible working pressure up to 16 bar (10 bar for NM 32/12; NM,NM4 32/16,20; NM,NM4 40/25; NM,NM4 50/20,25; NM4 65/31; NM,NM4
100/25; NM4 100/315,400; NM4 125/250 and bronze version).
Continuous duty