Horizontal Shaft, Double Suction Centrifugal Pumps (NDS)

Suction Flange
DN 100 .. DN 700
Discharge Flange
DN 65 .. DN 400
Q (Flow)
6000 m3/h (max)
H (Head)
180 m (max.)
Motor (Rotation Per Minute)
1450 d/dk. - 2900 d/dk.
Direction of Rotation (Motor)
Clockwise (Right)
t (Operating Temperature) (1)
-20 °C (min.) / +110 °C (max.)
Pd (Body Pressure Pmax) (2)
16 bar (25 bar)
(1) » The pump material varies depending on the type of fluid, operating temperature and pressure.
For more information, please refer to our company.
(2) » (Pmax: Suction Pressure + Pump Head in Closed Valve)

SNDS Series Pumps;

Clean or slightly dirty, low viscosity fluids are suitable for pumping

Technical Specifications

- Suction and discharge flanges conform to EN 1092-2 PN 16 or PN 25.
- Suction and discharge flanges are on the same axis in the lower body. Pumps can be divided into two in the horizontal plane.
- Because of these characteristics when it is necessary to remove the rotor assembly for maintenance and repair it is not need to remove the pump off the piping installation.
- The pump impellers have double suction. This feature increases the suction ability of the pump and allows for balancing of the axial hydraulic forces.
- Pump impellers have been balanced according to ISO 1940 class 6.3.
- Sealing is provided by the soft seal. Optional mechanical seal can be applied.
- In standard manufacture the direction of rotation of pump is clockwise when viewed from the motor side.
- Upon request, the direction of rotation can be manufactured in counterclockwise direction. In this case, the location of the suction-discharge flanges changes.

Pump Description

Section Drawing

Part List
1 Bushing Key
2 Volute Body Upper Side
3 Wear Ring
4 Impeller Key
5 Air Bleed Plug
6 Impeller
7 Air Bleed Plug
8 Spacer Bushing
9 Seal Watering Pipe
10 Soft Seal
11 Seal Thrust (Glen)
12 Ball Bearing
13 Bearing Cap
14 Coupling Key
15 Shaft Wear Sleeve
16 Bearing Races
17 Seal Box
18 Pin
19 Drain Plug
20 Volute casing Lower
21 O-Ring
22 Watering Ring
23 Shaft Wear Sleeve
24 Water Splash Disk
25 O-Ring
26 Tightening Nut
27 Pump Shaft
28 Outer Bearing Cover
29 Inner Bearing Cap
30 Grease Nozzle
31 O-Ring
32 Mechanical Seal Cover
33 Mechanical Seal


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