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Tsurumi-NH-Submersible Wastewater Pumps

 

 

Tsurumi-NH-Submersible Wastewater Pumps

Tsurumi-NH-series is a cast iron made, submersible wastewater pump utilizing 2-pole
motor. This impeller is a shrouded two-channel impeller. Each channel is
designed to have a larger area and it enables the pump to be suitable for
pumping wastewater containing a certain size of solids. The pumps are available in six
motor sizes ranging from 1.5 to 7.5kW and available in either High-Head or High-Volume Type

Tsurumi-NH-Modular

Applications

• Draining wastewater from kitchen at a hotel, restaurant, and
hospital, etc.
• Drainage from factory, underground car park, and basement, etc.
• High-head pumping of wastewater containing solid matters

 

 

 

 

 

 

1. Anti-wicking Cable Entry

An anti-wicking block is provided at the cable entry
Tsurumi-NH-Cablesection of the motor chamber. Even if the cable jacket
becomes damaged or the tip of the cable is accidentally
immersed in water, this device prevents water from traveling
into the motor chamber through capillary action.

2. Motor Protector

A built-in thermal motor protection device reacts to the excessive heat
caused by overcurrent or run-dry conditions. It not only cuts off the
motor circuit automatically but also resets by itself. When the motor
cools down to a safe operating temperature, the motor restarts

3. Dual Inside Mechanical Seal

A mechanical seal with dual seal faces containing silicon carbide (SiC)
is equipped with the oil chamber. As both upper and lower sealing
faces are lubricated by the oil only, it ensures a longer life of the
product and a stable sealing effect.

4. Oil Lifter (Patented)

Tsurumi-NH-OilThe Oil Lifter is a lubricating device that forcibly lubricates the mechanical
seal. It further stabilizes the functions of the mechanical seal and
extends the life expectancy of the seal and also the maintenance term.

5. Air Release Valve

In order to prevent “air lock”, an air release valve is built in the pump
casing. The valve is similar to a ball check valve. When air goes
through the valve, the ball stays at the bottom, but when the pumped
water starts to flow, it closes the outlet by its buoyancy.

6. Seal Pressure Relief Port (5.5 & 7.5kW only)

A small chamber is provided between the oil seal and the shaft hole of
the pump casing, and this chamber is led to the outside by this hole.
With this device, the pumping pressure does not act on the mechanical
seal. The mechanical seal is protected from over rated limit.

 

Guide Rail Fitting System

The guide rail fitting system connects the pump to and
Tsurumi-NH-Guide railfrom the piping easily just by lowering and hoisting the
pump, allowing easy maintenance and inspection without
the need to enter the sump.
The TOS is the standard guide rail fitting system made of
cast iron and is compatible with cast iron pumps.

Accessories

• Duckfoot Bend
• Guide Support
• Guide Hook
• Lifting Chain 5m (with Shackles)
• JIS 10kg/cm2 Flange

 

EBARA               GRUNDFOS                 WILO             TSURUMI

 

EBARA-SQPB - SELF PRIMING PUMPS

 

 EBARA-SQPB – SELF PRIMING PUMPS

 

APPLICATIONS

• Irrigation
• Drainage
• General purpose

 

SQPB-Modular

 

FEATURES

• No priming is required except for initial use
• Special design of casing provides very rapid priming for extended piping
• Maintenance is facilitated due to packing type
• Water mixed with a little sand or mud can be pumped up due to semi-open impeller design
• Easy installation with engine for belt driven due to c.c.w rotation

 

 

 

Impeller type:

Impeller SQPB

 

 

 

 

 

 

 

 

 

SPECIFICATIONS

Description

Standard

Optional

LiquidTemperaturesReg. NPSHRotation

Installations

 

Materials

Casing

Impeller

Shaft

 

Construction

Impeller

Stuffing box

Bearing

Fresh water, river water, rain water0~40°C4mCounter clockwise when viewed from drive end

Outdoors

 

 

Cast iron Bronze

Cast iron Bronze

Carbon steel Stainless steel

 

 

Semi-open

Packing

Sealed ball bearing

Sea water 

 

 

 

 

Bronze

Bronze

Stainless steel

 

Ebara-SQPB for sea water

SQPB-Sea water

 

 

 

 

 

 

 

 

 

 

 EBARA               GRUNDFOS              KSB         TSURUMI         WILO

 

Ebara - DF - Submersible Sewage Non-clog Pumps

 

 

Ebara – DF Submersible Sewage Pumps 

Ebara-DF-Drawing copySubmersible sewage pump withnon-clog semi open impeller, with “cutting effect”, to prevent clogging by fibrou s matter. Suitable for sewage, waste water, led lighting storm water drainage, etc. 

 

 

 

 

 

 

 

 

 

 Performance curves

Ebara-DF-Curves

 

Robust cast iron construction with non-clog semi open impeller.  Suitable for:

  • Waste water
  • Treated water
  • Effluent
  • Storm water
  • Municipal or industrial drainage
  • Fountains and water displays

Specifications:

Ebara Submersible pump with non-clog
semi open impeller
˜ Maximum solids handling: refer to table

Motor Output: 1.5 to 3.7 kW (3ph) Manual only
Outlet Size: 65 to 80 mm
Flow Rates: 100 to 1200 lpm
Head: 3 to 18 m
Max Liquid temp: 40oC
Max. immersion: 8m
Max. solids: 40 or 46 mm#
# depending on model

Materials

Pump casing: Cast Iron
˜ Impeller: Cast Iron
˜ Suction cover: Cast Iron
˜ Shaft: 403 Stainless Steel
˜ Motor frame: Cast Iron
˜ Fasteners: 304 Stainless Steel
˜ Mechanical seal:

˜ Air filled, dry submersible, 4 pole, 50 Hz
˜ Insulation class F
˜ IP68 protection
˜ 3 Phase – 400 Volt
˜ In built overload protection

 

EBARA            GRUNDFOS             KSB            WILO           TSURUMI

Grundfos - SQ Ground water supply-private housing, small waterworks, small irrigation systems

 

 

Overview

Grundfos-sq-sqeThe Grundfos SQ 3″ submersible pumps offer a wide performance range, making it easy to find a model that will suit your individual requirements.

The Grundfos SQ is a compact, 3″ multistage centrifugal pump that can be installed in a borehole no larger than the pump itself. With their built-in electronics, SQ pumps are very easy to install and operate. They guarantee a reliable water supply at all times.

Equipped with permanent magnet motors, these flexible and compact pumps offer excellent efficiency levels and will supply pump heads up to 200 m.

If the SQ pump is connected to the Grundfos CU 301 control box, it enables the creation of a constant pressure water supply.

 

 

 

Applications

SQ/SQE pumps are suitable for both continuous and intermittent operation for a variety of applications:

  • Ground water supply – private housing, small waterworks, small irrigation systems
  • Liquid transfer in tanks
  • grundfos_sqe_320Pressure boosting
  • Environmental applications – remedial pumping or sampling
  • Garages and petrol stations.

 

 

 

 

 

 

Features and benefits

  • Grundfos-sq-CurvesDry-running protection
  • Permanent magnet motor with high efficiency
  • Wear resistance from floating impellers
  • Protection against upthrust
  • High flow velocity
  • Soft-starts reduce wear on motor
  • Over- and under-voltage protection
  • Overload protection
  • Over-temperature protection.

 

 

 

 

 

Additional features of the SQE

  • Variable motor speed controls (with connection to the CU 301)
  • Connection to the CU 301 for two-way communication.

 

EBARA            GRUNDFOS             KSB            WILO           TSURUMI

KSB Amacan K - Submersible motor pump with non-clogging impeller

 

 

Design

KSB-Amacan K-ModularKSB Amacan K – Wet-installed submersible motor pump with non-clogging impeller, singlestage, single-entry, for installation in discharge tubes, explosion protection to ATEX II G2 T3.

 

 

 

 

 

 

 

 

 

Applications

Handling of pre-cleaned, chemically neutral waste water, industrial effluents and sewage, fluids not containing any stringy substances pre-treated by screens and sills, as waste water, mixed water and activated sludge pump in effluent treatment plants, irrigation and drainage pumping systems.

Function

KSB-Amacan K-instThe fluid enters the pump axially via the inlet of the pump casing (1) and is
accelerated outward in a radial flow by the rotating impeller (2). The required energy
is transmitted from the electric motor (7) to the impeller (2) via the shaft (4). In the
pump casing (11) the kinetic energy of the fluid is converted into pressure energy.
The rotational movement diverts the fluid flow in axial direction. The casing wear
ring (12) prevents any fluid from flowing back from the casing into the inlet of the
pump casing. At the rear side of the impeller, the shaft enters the casing via the
discharge cover (3). The shaft passage through the discharge cover is sealed towards
the fluid by a shaft seal (10). The shaft runs in rolling element bearings (5 and 8),
which are supported by a bearing housing (9) and a bearing bracket (6).

 

 

Standard

KSB-Amacan K-Diagram Temperature monitoring of the motor
▪ Temperature monitoring at the lower bearing
▪ Leakage monitoring of the mechanical seal system
▪ Leakage sensors in the motor/connection space

 

 

 

 

 Flamepaths for explosion-proof motors

KSB-Amacan K-Explosion proof

 

 

 

 

 

 

 

 

 

 

Overview of technical data

Type of bearing Rolling element bearings
Casing partition Radially split
Drive Electric motor
Drive frequency 50 Hz / 60 Hz
Type of drive Electric motor
Drive voltage Low voltage
Connection to power supply 380 V, 400 V, 690 V, 3~
Explosion protection ATEX II 2G T3
No. of impeller entries Single entry
Impeller material (EN standard) 9. 4460;JL 1040
Type of installation Close- coupled
Type of coupling None
Type of lubrication Grease lubrication
Max. permissible fluid temperature 40 °C
Nozzle position In- line
Pump set location Wet well
Shaft material (EN standard) 1. 4021QT700;C45+N;1.4057
Suction characteristics Non- priming
Type of casing Tubular casing
Type of impeller Multi- vane impeller;Radial;Closed
Casing material (EN standard) JL 1040
eClass assignment 36410103; 36410100;36410000
Free passage 180 mm
Maximum head 30, 00 m
Minimum head 1, 00 m
Installation position Vertical
Shaft seal type Mechanical seal
Main applications Water; Waste water / sewage;Mining / Dredges
Casing material Cast iron
Maximum drive rating 320 kW
Type of installation Stationary
Maximum flow rate 7. 200 m³/h
Minimum flow rate 140 m³/h
Maximum speed of rotation 1. 200 1/min

 

EBARA              GRUNDFOS               KSB              WILO             TSURUMI

Wilo-EMU 6" For potable water supply / general water supply from boreholes and rainwater storage

 

 

Design

Wilo Emu 6″ Submersible pump in sectional construction

Wilo-EMU_6-Vic

Description/design

Submersible-motor pump for vertical or horizontal installation.

 

Hydraulics

Multistage submersible-motor pump with radial hydraulics. Housing parts made of NiAl‐Bz, impellers made of Noryl. Pressure connection as threaded connection, with integrated non-return valve.

 

Motor

Three-phase motor for direct and star-delta start Sealed, hermetically cast motor with enamel-insulated winding, resin-impregnated (NU 4…, NU 5…) or rewindable motor with PVC‐insulated winding (NU 611). Motor shroud made of stainless steel, A2/A4 quality.

Pump connection as standard NEMA connection. Sealing of motor shaft achieved through the use of a rotary shaft seal (NU 4…) or mechanical seal made of solid silicon carbide material.

Self-lubricating motor bearing. Motors in the NU 4…- and NU 5… series are filled with a water‐glycol mixture, motors in the NU 611 series are filled with a water-glycerine mixture. Alternatively, NU 611… series motors can be filled with potable water (T‐version). Frequency converter operation is permitted (SF 1.1).

 

Cooling

The motor is cooled by the fluid. The motor must always be operated in submerged state. The limit values for the max. fluid temperature and the minimum flow rate must not be exceeded. Vertical installation is possible optionally with or without cooling jacket. For horizontal installation, bearing brackets must be used for reinforcement of the unit. A cooling jacket may be used to improve the inlet flow.

 

Pressure shroud

The pressure shroud is used for direct installation of the unit in the pipe system. Standard models are without mounted non-return valves. The maximum inlet pressure is 10 bar.

 

Application

  • Wilo-EMU_6-AppupFor potable water supply / general water supply from boreholes and rainwater storage
  • Process water supply
  • Municipal water supply
  • Sprinkling and irrigation
  • Pressure boosting
  • Pumping water in industrial applications and water control
  • Operation of fountains
  • For pumping water without long-fibre and abrasive constituents

 

 

 

 

 

Type key

Example: Wilo-EMU NK 63-17 + NU 611-2/15
Hydraulics: NK 63-17
NK Hydraulics
6 Diameter of the hydraulic unit in inches [“]
3 Size
17 Number of hydraulic stages
Motor: NU 611-2/15
NU Submersible motor
611 Size (4… = 4″, 5…, 611 = 6″)
2 Number of poles
15 nominal power

 

Special features/product advantages

  • Wilo-EMU_6-AppPumping water from great depths
  • Corrosion-free and wear-resistant due to housing made of NiAl‐Bz and impellers made of Noryl
  • Integrated non-return valve
  • Cast and rewindable motors
  • Vertical and horizontal installation possible (depending on the number of stages)

 

Technical data

  • Mains connection: 3~400 V, 50 Hz
  • Immersed operating mode: S1
  • Max. fluid temperature: 30 °C, higher temperatures on request
  • Minimum motor flow:
    • NU 4… = 0.1 m/s
    • NU 5… = 0.16 m/s
    • NU 6… = 0.1 ‐ 0.5 m/s
  • Max. sand content: 35 g/m3
  • Max. number of starts: 20/h
  • Max. immersion depth:
    • NU 4…, NU 5…= 350 m
    • NU 611 = 100 m
  • MEI classification:
    • NK 62 = >0.4
    • NK 63 = >0.7
    • NK 64 = >0.1
  • Protection class: IP 68
  • Control range for frequency converter: 30-50 Hz

 

Equipment/function

  • Wilo-EMU_6-Curve
  • Multistage submersible-motor pump with radial impellers
  • Hydraulics and motor freely configurable according to power requirements
  • Integrated non-return valve
  • NEMA coupling
  • Three-phase motor for direct or star-delta starting
  • Hermetically cast motors
  • Rewindable motors

 

 

EBARA            GRUNDFOS             KSB            WILO           TSURUMI

Wilo-MultiCargo HMC-Self-priming water-supply unit

Design

Self-priming water-supply unit

Application

  • Water supply
  • Sprinkling
  • Irrigation and spraying
  • Pumping water from wells and out of low-lying tanks

Special features / product benefits

  • dim-wilo-hmc604dmIdeal as water supply system in buildings
  • IE2-IEC three-phase AC motor (≥ 0.75 kW)
  • Low-noise due to multistage design
  • Outstanding self-priming capability, due to innovative priming wing
  • All parts that come in contact with the fluid are corrosion-free
  • Reduction of switch-on frequency and avoidance of fluid hammer, thanks to 50 l diaphragm pressure vessel

 

 

 

Technical data

  • Mains connection 1~230 V, 50 Hz / 3~400 V, 50 Hz
  • Suction head max. 8 m
  • Inlet pressure max. 4 bar
  • Fluid temperature +5 °C to +35 °C
  • Operating pressure max. 8 bar
  • Pressure switch setting range 1-5 bar
  • Protection class IP 54
  • Suction- and pressure-side connection Rp 1

 

EBARA            GRUNDFOS           KSB          WILO        TSURUMI

Wilo-Jet FWJ-Self-priming water-supply units

 

 

Design

wilo-fwj202Self-priming water-supply units

 

Application

For pumping water and rainwater from wells and tanks for:

  • Sprinkling
  • Irrigation and spraying

 

Special features / product benefits

  • Ideal for outdoor applications (hobby, garden)
  • Completely preassembled system
  • Electronic pump control
  • All parts that come in contact with the fluid are corrosion-free

Technical data

  • Wilo-Jet-FWJ_0Mains connection 1~230 V, 50 Hz
  • Inlet pressure max. 1 bar
  • Switch-on pressure 1.5 bar to 2.7 bar
  • Switch-off pressure min. 2.2 bar
  • Fluid temperature +5 °C to +35 °C
  • Max. operating pressure 6 bar
  • Protection class IP 44
  • Pressure-side connection R 1
  • Suction-side connection G 1

 

 

EBARA            GRUNDFOS           KSB          WILO        TSURUMI

KSB - Movitec B-Multistage vertical high-pressure centrifugal pump

 

Design

Ksb-movitec-BKSB-Movitec-B Multistage, vertical, high-pressure centrifugal pump in ring-section design with suction and discharge nozzles of identical nominal diameters arranged opposite to each other (in-line design), close-coupled. ATEX-compliant version available.

 

Applications

Spray irrigation, irrigation, washing, water treatment, fire-fighting and pressure booster systems, hot water and cooling water recirculation, boiler feed systems etc.
Sizes
2, 4, 6, 10, 15, 25, 90

 

 

 

Overview of technical data

Barrel casing Yes
Type of bearing Plain bearings
Casing partition Radially split
Diffuser material (EN standard) 1. 4301;1.4404
Drive frequency 50 Hz / 60 Hz
Type of drive Electric motor
Drive voltage Low voltage
No. of impeller entries Single entry
Impeller material (EN standard) 1. 4301;1.4404
Type of installation In- line
Type of coupling Direct
Type of lubrication Oil / Product lubrication
Max. permissible fluid temperature 140 °C
Nozzle position In- line
Maximum rated pressure (discharge) 40 BAR
Pump set location Dry installed
Shaft material (EN standard) 1. 4305;1.4401
Suction characteristics Non- priming
Suitable for drinking water Yes
Type of impeller Radial
Type of connection Flange
Type of stage casing Stage casing with diffuser
UNSPSC classification 4015150300
Casing material (EN standard) 1. 4301;1.4401;JL 1040
eClass assignment 36410101
Maximum head 249, 00 m
Installation position Vertical
Shaft seal type Mechanical seal
KSB_Movitec-B-Curves

 

 

 

 

 

 

 

 

 

 

 

Main applications

 

 

 

 

 

 

 

 

 

 

 

Industry and process engineering; Water;Building services

Casing material Chrome nickel steel
Maximum discharge-side pressure 40 bar
Maximum drive rating 45 kW
Type of installation Stationary
Maximum flow rate 112, 80 m³/h
Maximum speed of rotation 2. 900 1/min

 

EBARA            GRUNDFOS           KSB          WILO        TSURUMI

Wilo-EMU FA- …T-Submersible sewage pump for untreated sewage with SOLID impeller

 

 

Design

Wilo-FA-....qTWilo-EMU FA- …T– Submersible sewage pump for untreated sewage with SOLID impeller

Application

  • Pumping of untreated sewage with solid constituents in wastewater treatment plants and pumping stations
  • Local drainage, water control and process water extraction
  • Applications in construction and industry

Special features / product benefits

  • Impeller design non-susceptible to clogging
  • Very smooth operation
  • Operation in wet and dry well installation
  • Simple installation via suspension unit or pump base
  • Longitudinally watertight cable inlet (for FKT-, HC- and dry motor)
  • Special materials (Abrasit) and Ceram coatings against abrasion and corrosion
  • Adaptation of the duty point by milling the impeller

Technical data

  • Wilo-FA-...T_curveMains connection: 3~400 V, 50 Hz
  • Immersed operating mode: S1
  • Surfaced operating mode with self-cooling motor: S1
  • Non-immersed operating mode with glanded motor: S2-15 min (depending on type)
  • Protection class: IP 68
  • Fluid temperature: 3 ‐ 40°C; higher temperatures on request
  • Sealing: With rotary shaft seal and mechanical seal, two mechanical seals or one block seal cartridge, depending on the motor
  • Free passage: 78×105 – 150×150 mm.
  • Permanently lubricated roller bearings
  • Max. immersion depth: 20 m

 

Materials

  • Housing parts: EN‐GJL or EN‐GJS
  • Impeller: EN‐GJL or EN‐GJS
  • Static seals: NBR
  • Sealing on pump side: SiC/SiC
  • Sealing on motor side: NBR or SiC/SiC
  • Shaft: Stainless steel 1.4021, as of size 49: High-grade steel 1.7225

 

EBARA            GRUNDFOS           KSB          WILO        TSURUMI

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