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SEH End Suction Centrifugal Pumps

Technical Data (Basic Parameters)
Temperature: Max. +80°C, special configuration 210°C
Working Pressure: Max. 100bar
The data is based on 50HZ
  • SEH Single Stage End Suction Pump

  • DNl32—400

  • 2200m3/h

  • 250m

  • Centrifugal Pump

Availability:
Quantity:

OVERVIEW


APPLICATIONS


High brackish water, seawater desalination booster process; Energy recovery process

Zero discharge liquid process for high pressure membrane booster system;

Boiler condensate circulation;

Other cleaning fluids with high temperatures and/or high pressures.


A FULL RANGE OF PRODUCT FEATURES



SEH end suction centrifugal pump

Pump Body

A double volute design

Rotor back-pumping design, easy to maintain without affecting the pipeline;  

Adopt central support, installation form is APl610 OH2; Reduces the increase in the different axialities between the pump and the drive caused by high pressure (or high temperature) operation, thereby increasing the stability of operation and prolonging the service life of the equipment.

Impeller

Closed impeller, higher hydraulic efficiency;

Excellent hydraulic model and precision casting, making it efficient and energy-saving;

If necessary, the inducer wheel can be added to improve the necessary NPSH;

Shaft

Heavy load shaft, the shaft offset is minimized under maximum heavy load to ensure the good operation of the components on the shaft, the pump operation is more stable, the bearing and mechanical seal have a longer life, and the maintenance and repair costs are reduced.

Shaft Seal

Cartridge mechanical seals withstanding high pressures;

Bearing Body

Heavy load design with a large capacity oil chamber to ensure long-term reliable operation of the bearing

Use of high load cylindrical and thrust bearings, lubricated with dilute oil;

Coupling

Optionally configured with diaphragm coupling, column pin coupling, etc.;

Parts

Modular design, high degree of versatility, reduced spare parts inventory

Thickened wall thickness

in addition to meeting the strength and increasing the corrosion margin, prolonging the applicable life.

Flange

It can be manufactured according to GB、ANSI、DIN、JIS and other standards;


MATERIALS OF CONSTRUCTION


The SEH end suction centrifugal pump comes supplied in Cast Steel, Copper, 304SS, 316SS, 316LSS Duplex Stainless Steel and Super Duplex.


End Suction Centrifugal Pumps

Parts

304 SS

316 SS

316L SS

CD4MCu

Duplex stainless steel

2205

Duplex stainless steel

2507

Duplex stainless steel

Impeller

304 SS 316 SS 316L SS CD4MCu 2205 DSS 2507 DSS

Spindle

304 SS 316 SS 316L SS 2205 DSS 2205 DSS 2507 DSS

Bearing Body

QT450-10/cast steel QT450-10/cast steel QT450-10/cast steel QT450-10/cast steel QT450-10/cast steel QT450-10/cast steel

Impeller Nut

304 SS 316 SS 316L SS CD4MCu 2205 DSS 2507 DSS

Machine Seal Gland

304 SS 316 SS 316L SS CD4MCu 2205 DSS 2507 DSS

Bearing Body

SKF SKF SKF SKF SKF SKF

Machinery Seal

SiC-SiC/304/F SiC-SiC/316L/F SiC-SiC/316L/F SiC-SiC/2205/F SiC-SiC/2205/F SiC-SiC/2507/F

Coupling Flange

HT250 HT250 HT250 HT250 HT250 HT250

Drive Pin

Rubber clad steel core Rubber clad steel core Rubber clad steel core Rubber clad steel core Rubber clad steel core Rubber clad steel core

Common Base

steel structure steel structure steel structure steel structure steel structure steel structure


LITERATURE


Assemble Structures and Parts Lists:


End-Suction Centrifugal Pump Assemble Structure


NO. PARTS NO. PARTS NO. PARTS
01 Pump Body 11 Machine Seal Gland 21 Suspension Support Bracket Fastening Bolts
02 Impeller Nut 12 Socket Head Cap Screws 22 Bearing
03 Impeller Nut Washer 13 Water Retaining Ring 23 Impeller Key
04 Impeller 14 Bearing Gland Fastening Bolts 24 Axis
05 Pump Body Gasket 15 Bearing Gland 25 Pump Coupling Key
06 Pump Cover 16 Bearing Gland Gasket 26 Bearing
07 Pump Body/Cover Fastening Bolts 17 Frame 27 Bearing Gland Gasket
08 Mechanical Seal Ring 18 Rotor Repair Rings 28 Bearing Gland
09
Mechanical Seal Static Ring 19 Pump cover Frame fastening bolts 29 Bearing Gland Fastening Bolts
10 Machine Seal Gland O-Ring 20 Support frame 30 Mechanical Seal O-ring


SE single stage end suction pump Exploded View




PERFORMANCE COVERAGE:


SE PERFORMANCE COVERAGE -1


SE PERFORMANCE COVERAGE -2


Table of Performance Parameters


SEH Single Stage End Suction Pumps Performance Parameters.pdf


Pump Head Installation Dimensions


SEH Single Stage End Suction Pumps Installation Dimensions.pdf



CASE APPLICATION


Zero Liquid Discharge water treatment process

DTRO


Complete Horizontal Centrifugal Pump With Motor:

SEH50-32-250/2P-11KW

Medium: free of impurities, 10m3/h, 80m, 2950rpm, pump inlet pressure 6.0MPa.


Pump housing material: 316SS

Impeller material: 316SS

Spindle: 2205DSS, Bearing NSK

Thin oil lubrication, equipped with labyrinth oil seal;

Cartridge mechanical seal;

Common channel steel structure base; Flexible column pin couplings and guards.

Siemens IE2 motors (China 3 energy efficiency), 380V50HZ/3-phase, IP55/F/B

Pump body center support, designed pressure 6.3MPa.


DTRO SEH end suction centrifugal pumps


SWRO


Complete Horizontal Centrifugal Pump With Motor

SEH50-32-125/2P-3KW

24m3/h, 15M, 2950rpm, pump inlet pressure 6.0MPa.


Pump housing material: 2205DSS

Impeller material: 2205DSS

Spindle: 2205DSS, Bearing NSK/SKF

Thin oil lubrication, equipped with labyrinth oil seal;

Cartridge mechanical seal;

Common channel steel structure base; Flexible column pin couplings and guards.

Siemens IE2 motors (China 3 energy efficiency), 380V50HZ/3-phase, IP55/F/B

Designed pressure 7.2MPa.



SWRO SEH end suction centrifugal pumps




























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