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OPERATION AND MAINTENANCE INSTRUCTIONS 

 
 

Vertical Multistage Centrifugal Pump 

 

Series: MVA, MVS 

 

DESMI Pumping Technology A/S 

Tagholm l, DK-9400 Nørresundby, Denmark 

 

      Tel.:   +45 96 32 81 11 

Fax:   +45 98 17 54 99 

E-mail: 

[email protected]

 

  Internet: 

www.desmi.com

  

 

 

Manual: 

T1536 

 

Language: 

English 

 

Revision: 

A1(03/20) 

 

Содержание MVA Series

Страница 1: ...al Multistage Centrifugal Pump Series MVA MVS DESMI Pumping Technology A S Tagholm l DK 9400 N rresundby Denmark Tel 45 96 32 81 11 Fax 45 98 17 54 99 E mail desmi desmi com Internet www desmi com Man...

Страница 2: ...ENVIRONMENTAL ASPECTS 8 5 PURPOSE AND APPLICATION SCOPE 8 5 1 PRODUCT FESTURES 8 5 2 PURPOSE 8 5 3 APPLICATION SCOPE 8 5 4 WORKING MEDIUM 8 6 TECHNICAL PARAMETERS 9 6 1 AMBIENT TEMPERATURE 9 6 2 LIQUI...

Страница 3: ...__________________________________________________________ DESMI Pumping Technology A S 3 www desmi com Tagholm 1 9400 N rresundby Denmark Tel 45 96 32 81 11 Fax 45 98 17 54 99 E mail desmi desmi com...

Страница 4: ...s manual and all relevant documents Warning Dangerous voltage Comply with safety symbols of IEC 417 5036 Warning Operation or procedure If you operate carelessly it may cause personal injury or produc...

Страница 5: ...for conveying the cleaning medium Pump suction and discharge connection is via flange or thread so that the pump can be installed easily The pump is driven by motor and all pressure bearing component...

Страница 6: ...ional instructions described in this manual or by negligence during product installation operation and maintenance Failure to comply with safety instructions may endanger safety of personnel environme...

Страница 7: ...MAL OPERATION Please contact the local power supply company in case of any power supply problem Please do not directly touch the covered part of the product since it will produce heat Before the pump...

Страница 8: ...friendly disposal 5 PURPOSE AND APPLICATION SCOPE 5 1 PRODUCT FESTURES Low noise high efficiency compact structure small volume and light weight nice looking resistant to mild corrosion high sealing...

Страница 9: ...output power P2 and ambient temperature 6 2 LIQUID TEMPERATURE The following chart shows the relationship between liquid temperature and maximum allowable working pressure Note The maximum allowable...

Страница 10: ...54 99 E mail desmi desmi com cavitation 6 4 PRESSURE AND TEMPERATURE 6 5 ELECTRICAL PARAMETERS Refer to the motor nameplate 6 6 MOTOR STARTUP SHUTDOWN TIMES Less than 4kW inclusive Max 100 times hour...

Страница 11: ...the horizontal plane nor upside down Make sure that the motor cooling fan provides sufficient cool air circulation It is suggested that supports shall be added to a motor above 4KW 3A Additional suppo...

Страница 12: ...s provided with a heat protector inside while three phase motor shall be provided with a three phase protector before installation 7 2 CHECK BEFORE PUMP STARTUP Check if foot bolts are tightened If th...

Страница 13: ...by Denmark Tel 45 96 32 81 11 Fax 45 98 17 54 99 E mail desmi desmi com 7 3 STARTUP STEPS 1 Open the inlet valve and close the outlet valve 2 Screw off the water injection plug and start filling water...

Страница 14: ...96 32 81 11 Fax 45 98 17 54 99 E mail desmi desmi com 6 Adjust the outlet valve to the required pressure 7 Tighten the discharge valve 8 If you have any question please read the instructions or call D...

Страница 15: ...nstalled as per this manual will work effectively without much maintenance The mechanical seal is adjusted automatically The contact surface of dynamic ring and static ring in the seal will be lubrica...

Страница 16: ...ith the frequency converter if provided with a frequency converter electric appliance parts or motor cover Make sure that the pump keeps balanced when it is lifted Warning The pump may be inclined whe...

Страница 17: ...The shaft is worn Replace the shaft and mechanical seal The pump runs without water it is a dry running Replace the mechanical seal Leakage at pump bracket top or pump bottom The O ring is damaged Rep...

Страница 18: ...is damaged Contact the manufacturer to replace it Insufficient flow or and pressure of pump The outlet or inlet valve is closed Open the valve There is air in the pump Discharge air in the pump Pressu...

Страница 19: ...609 899 180 125 2 22 602 892 627 917 180 125 2 23 628 958 653 983 190 140 2 24 646 976 671 1001 190 140 2 25 664 994 689 1019 190 140 2 26 682 1012 707 1037 190 140 DIN flange MVS F Oval flange MVA A...

Страница 20: ...7 708 1018 734 1044 175 137 3 29 744 1054 770 1080 175 137 3 31 784 1114 810 1140 195 151 3 33 820 1150 846 1176 195 151 3 36 874 1204 900 1230 195 151 Sizes of Models MVA4 MVS4 Pump model Size Oval f...

Страница 21: ...963 175 137 5 16 654 964 680 990 175 137 5 18 712 1042 738 1068 195 151 5 20 766 1096 792 1122 195 151 5 22 820 1177 846 1203 219 169 5 24 874 1231 900 1257 219 169 5 26 928 1285 954 1311 219 169 5 2...

Страница 22: ...5 8 722 1120 720 1118 258 188 15 9 767 1165 765 1163 258 188 15 10 889 1388 887 1386 315 242 15 12 979 1478 977 1476 315 242 15 14 1071 1570 1067 1566 315 242 15 17 1204 1703 1202 1701 315 242 Sizes o...

Страница 23: ...743 334 263 32 11 2 1315 1877 382 305 32 11 1315 1877 382 305 32 12 2 1385 1947 382 305 32 12 1385 1947 382 305 32 13 2 1455 2115 420 372 32 13 1455 2115 420 372 32 14 2 1525 2185 420 372 32 14 1525 2...

Страница 24: ...481 382 305 64 5 2 1001 1661 420 372 64 5 1 1001 1661 420 372 64 5 1001 1661 420 372 64 6 2 1084 1744 420 372 64 6 1 1084 1744 420 372 64 6 1084 1744 420 372 64 7 2 1166 1826 420 372 64 7 1 1166 1826...

Страница 25: ...5 2 1480 2195 470 335 MVA S 120 5 1 1480 2195 470 335 MVA S 120 5 1480 2295 510 370 MVA S 120 6 2 1670 2455 510 370 MVA S 120 6 1 1670 2455 510 370 MVA S 120 6 1670 2515 580 410 MVA S 120 7 2 1830 26...

Страница 26: ...MVA S 200 1 C 907 1507 380 280 MVA S 200 1 907 1587 420 305 MVA S 200 2 2D 1101 1781 420 305 MVA S 200 2 2C 1101 1816 470 335 MVA S 200 2 C 1131 1916 510 370 MVA S 200 2 1131 1916 510 370 MVA S 200 3...

Страница 27: ...48 Spring washer 3 O ring 25 Pump cover 49 Hexagon head bolt 4a Base anulated connection 26 Vent plug 4b Base threaded connection 27a Motor base 4c Base flanged connection 27b Motor base 4d Bottom bas...

Страница 28: ...resundby Denmark Tel 45 96 32 81 11 Fax 45 98 17 54 99 E mail desmi desmi com 16 Guide vane with bearing 40 Flat washer 17 Shaft sleeve c 41 Water injection plug 18 Medium guide vane 42 Draw rod 19 Sh...

Страница 29: ...ug 48 Draw rod 6 Pump barrel 31a Motor base 49 Hexagon nut 7 Self lock nut 31b Motor base 50 Flat washer 8 Shaft end sleeve 31c Motor base 51 Hexagon head bolt 9 Inlet cap 31d Motor base 10 Choma 32 R...

Страница 30: ...304 30 Alloy bearing 22 54 Draw rod 6b Bottom base HT200 31 Pump shaft 7 Alloy bearing 22 32 Adjusting pad 8 Spring washer 33a Pump head ZG304 9 Hexagon socket head cap screw 33b Pump head HT200 10 O...

Страница 31: ...ing plate 8 Flat washer 32 Hexagon socket head cap screw 9 Shaft end sleeve 33 Cross recessed pan head screw 10 Impeller spacer 34 Protective plate 11 Shaft sleeve 35 Hexagon socket head cap screw 12...

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