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NSVM, NSVMN

 

  

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WARNING

 

WARNING

 

 

1.

Identification code and Nameplate  

 

 

1.1 Identification code

 

 

 

1.2 Nameplate

 

1.Pump Model

 

2.Shaft seal code 
3.Frequency 
4.Rated Power 
5.Speed 
6.Maximum Head 
7.Capacity 
8.Head Range 
9.Maximum Operating Pressure/ Temperature 
10.Rotating Direction 
11.Manufacturing Month and Year 

                                                                                       12.Serial number 

2.

Handling  

 

 

Read these instructions carefully before beginning installation. Lift and handle these pumps carefully. NSVM,   
NSVMN series are vertical multi-stage non-self priming pumps coupled with standard electric motors. This manual 
applies to standard version pumps and for standard applications. Contact your supplier or the factory for information 
about special pump versions and applications. 

 

3.

Applications  

 

 

NSVM, NSVMN series in-line pumps booster pumps are designed for a wide range of applications in various 
industries – for water treatment, water boosting, water supply, cooling, cleaning, etc. 
The pumps are designed for use with clean, viscous and non-explosive liquids that do not contain abrasive matter. 

 

These pumps are not designed to be used with abrasive, solid containing, explosive and corrosive liquids. 

For special application, please contact your supplier or the factory. 

 

4.

Technical data  

 

 

4.1 Temperatures

 

Ø

 

Ambient temperature: 0°C to +40°C 

 

If ambient temperatures are above +40 degrees C, or if the pump is located at elevations more than 3280 ft above sea level,  the 

motor’s output must be decreased to compensate for less effective cooling, and may have to be replaced with a stronger motor. 

Ø

 

Liquid temperature: -15°C to +120°C 

 

4.2 Maximum operating pressure

 

Ø

 

Refer to page 7 

Summary of Contents for NSVM 25 Series

Page 1: ...Installation Operating Manual VERTICAL MULTI STAGE CENTRIFUGAL PUMP NSVM NSVMN...

Page 2: ......

Page 3: ...and applications 3 Applications NSVM NSVMN series in line pumps booster pumps are designed for a wide range of applications in various industries for water treatment water boosting water supply coolin...

Page 4: ...H ft 0 500 1 000 1 500 2 000 2 500 3 000 KH ft 0 1 804 3 608 5 412 7 216 9 02 10 824 Hst Safety margin minimum 2 ft head NPSHA NPSHR Pump running will be fine NPSHA NPSHR The pump will be dry running...

Page 5: ...pump follow the installation examples in order to avoid damaging the pump Pos Description 1 Pipe support Support piping system properly to avoid stresses on connections 2 On off valves Install on off...

Page 6: ...d well insulated Overload protection should be provided To connect proceed as shown on the inside of the terminal board cover The terminal box can be turned to four positions Check the direction of ro...

Page 7: ...hus making the filling procedure easier When the operation is stable the bypass valve can be closed If the pumped liquids contains air it is advisable to leave the bypass valve open if the operating p...

Page 8: ...s operating limits Check the operating conditions of the pump b The control panel is situated in an excessively heated area or is exposed to direct sunlight Protect the control panel from heat sources...

Page 9: ...ove the operating conditions of the pump suction conditions head flow resistance liquid temperature viscosity etc b Make sure that pump and motor shafts are properly aligned Adjust the pump and or mot...

Page 10: ...NSVM NSVMN 8...

Page 11: ...NSVM NSVMN 9...

Page 12: ...NSVM NSVMN 10...

Page 13: ...NSVM NSVMN 11 NSVM N 25L 25 32 Coupling adjustments...

Page 14: ...NSVM NSVMN 12 NSVM N 40 50 50B Coupling adjustments...

Page 15: ......

Page 16: ...TED Room 1001 10 F Olympia Plaza 255 King s Road North Point Hong Kong Tel 852 2571 0282 Fax 852 2571 0619 E mail sales teralasia com TERAL INC Head O ce 230 Moriwaki Miyuki cho Fukuyama city Hiroshim...

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