Desmi MVA Series Operation And Maintenance Instructions Download Page 27

 
 
 

_______________________________________________________________________________ 

DESMI Pumping Technology A/S 

 

27

 

www.desmi.com

 

Tagholm 1 
9400 Nørresundby 

 Denmark 

Tel: +45 96 32 81 11 Fax: +45 98 17 54 99 
E-mail

[email protected]

 

 

 
 

13.

 

EXPLODED

 

VIEWS 

Exploded views of MVA, MVS1, 2 

 
 

No. 

Designation 

 

No. 

Designation 

 

No. 

Designation 

Bottom plate 

 

23 

Wave-shaped spring 

 

47 

Flat washer 

Drain plug 

 

24 

Cartridge mechanical seal 

 

48 

Spring washer 

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 base 

 

28 

Rivet 

 

 

 

O-ring 

 

29 

Nameplate 

 

 

 

Pump barrel 

 

30 

Protective plate 

 

 

 

Choma 

 

31 

Cross-recessed pan head 

screw 

 

 

 

Choma cap 

 

32 

Hexagon socket head cap 

screw 

 

 

 

First-grade guide vane 

 

33 

Half coupling 

 

 

 

10 

Self-lock nut 

 

34 

Motor (B14) 

 

 

 

11 

Shaft-end sleeve 

 

35 

Spring washer 

 

 

 

12 

Shaft sleeve a 

 

36 

Hexagon head bolt 

 

 

 

13 

Impeller 

 

37 

Cylindrical pin 

 

 

 

14 

Guide shaft sleeve 

 

38 

Warning nameplate 

 

 

 

15 

Shaft sleeve b 

 

39 

Hexagon nut 

 

 

 

Summary of Contents for MVA Series

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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