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Archive for June 2014

EBARA-3-3L SERIES Centrifugal pumps close coupled and standardized

EBARA-3-3L SERIES

Centrifugal pumps close coupled and standardized

Ebara-3-Series

CENTRIFUGAL ELECTRIC PUMPS END SUCTION IN COMPLIANCE WITH EN 733
(FORMER DIN 24255)
End suction centrifugal pumps built in stainless steel AISI 304
(3 Series) and AISI 316L (3L Series)


APPLICATIONS

• Water supply to civil, agricultural and industrial plants
• Pressure boosting
• Fire-fighting, heating systems and air-conditioning
• Moving industrial liquids
• Irrigation
• Refrigeration towers
• Swimming pools
• Emptying
• Washing plants


TECHNICAL DETAILS

Ebara-3-Series-contruction• Can also work in vertical position
• Highly resistant contruction
• Hydroforming process EBARA patent

PUMP TECHNICAL DATA

• Maximum working pressure: 10 bar
• Maximum temperature of the liquid:
-10°C ÷ +90°C
-10°C ÷ +110°C (L-H-HS-HW-HSW-E versions)
-10°C ÷ +120°C (ES version)
• MEI >0,4 for SERIES 3(L) 2 poles, MEI >0,1 for SERIES 3(L) 4 poles
For further information please see our Data Book

MOTOR TECHNICAL DATA

• High efficiency IE2 motors starting from 0,75kW
• Self-ventilated 2 and 4 poles asynchronous motor
• Class of insulation F (B for high temperatures)
• IP 55 protection degree
• 230V ±10%, 50Hz single phase voltage,
three phase voltage 220-240/380-415V ± 5% (up to 0,55kW included), 50Hz for 3(L)M4 SERIES,
three phase voltage 230/400V ±10% (from 0,75kW to 4kW included), 50Hz for 3(L)M4 SERIES,
three phase voltage 230/400V ±10% (up to 4kW included), 50Hz for the other models
three phase voltage 400/690V ±10% (from 5,5kW and over), 50Hz
• Protection is user’s responsibility

MATERIALS

Ebara-3-Series-contruction1 copy• Pump casing and seal housing disc:
– AISI 304 per 3 Series 32-125/160/200
40-125/160/200
50-125/160
65-125/160/200
– AISI 316L for 3L Serie 32-125/160/200
40-125/160/200
50-125/160
65-125/160/200
– AISI 316 microcasted for 3L Series 65-250
80-160/200/250
• Impeller in:
– AISI 304 for 3 Series 32-125/160/200
40-125/160/200
50-125/160
– AISI 316L for 3L Series 32-125/160/200
40-125/160/200
50-125/160
– AISI 316 microcasted for 3 SERIES 65-125/160/200
3L SERIES 65-125/160/200
65-250
80-160/200/250
• Standard mechanical seal:
– Carbon/Ceramic/NBR for 3 Series 32-125/160/200
40-125/160/200
50-125/160
65-125/160/200
– SiC/SiC/FPM for 3L Series 32-125/160/200
40-125/160/200
50-125/160
65-125/160/200/250
80-160/200/250
– Special mechanical available on request

EBARA               GRUNDFOS              KSB              WILO          TSURUMI

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