Masdaf NMM Series Operating Manual
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Masdaf NMM Series Operating Manual

Monoblock centrifugal pumps
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NMM SERIES
Monoblock Centrifugal Pumps
Operating
Manual
Revision No: ??
May/2021

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Summary of Contents for Masdaf NMM Series

  • Page 1 NMM SERIES Monoblock Centrifugal Pumps Operating Manual Revision No: ?? May/2021...

  • Page 3: Table Of Contents

    4. Check the cleanliness of the area to take care of your 17. NMM Drawing for Dismantling help. (Dust, smoke, etc.) 18. NMM Series MEI Values Table 5. Do keep in mind that there is a risk of having accidents related to electricity INTRODUCTION 6.

  • Page 4: General

    NMM Series water pumps, the pump efficiency can be achieved more than fix speed in case of variable speed All Other Health and Safety Rules, Laws and control.

  • Page 5: Safe Operating Conditions

    NMM Series Important operational functions of the factory may The warranty conditions will only be valid when all the instructions about installation and start-up operations stop. of the pump unit are taken into account. Maintenance may get difficult. One may get injured by electrical, mechanical or 2.4.

  • Page 6: Transport And Storage

    KYP Serisi 4.1.3. Impeller 5.1. Transport The closed radial type impeller of the pump is balanced Pump and pump group must be carried safely to the dynamically in an electronic balance machine. The installation location by lifting equipments. thrust (axial force) is balanced with the back wear ring CAUTION and balance holes.

  • Page 7: Assembly/Installation

    NMM Series 5. Close the suction and discharge exits with gasket After the pump has been fixed, mount the 6. Spray an anti-corrosive into the pump casing. guard. According to the accident prevention 7. Rotate the pump shaft by hand once in every month,...

  • Page 8: Motor Connection

    KYP Serisi • Start the installation of piping from the pump side. Do An illustrative piping system is shown in Figure 20. the necessary assembling and welding of the parts in a Appropriate manometers shall be mounted on suction successive order. and discharge pipe lines.

  • Page 9: Commissioning, Start Up And Operating

    NMM Series 6.4.2. Motor Protection you are assured that the connection is delta, open the discharge valve slowly. Continue opening the valve • Three phased-motor shall be connected to power until you read the amperage on the electrical panel supply.

  • Page 10: Shut Down Procedure

    KYP Serisi 7.4. Shut Down Procedure auxiliary systems of the substitute pump. CAUTION During sudden start ups and stops, a pressure reducing The air of the pump and suction line must be drained valve must be placed at the exit section of high flow rate before commissioning of the pump.

  • Page 11: Service

    NMM Series 8.2. Service 9.1. Expected Noıse Values Our Customer Service Department offers after-sale Measurement conditions: service. Manager should employ authorized and trained personnel for mounting/dismounting procedures. • The distance between the measure Before these procedures, one must make sure that point and the pump : 1m pump interior is clean and empty.
  • Page 12 KYP Serisi 10.1. Disassembly • Replace the coupling and coupling key. • Tighten mechanical seal cover. • Close all valves in the suction and discharge lines, • Now reassembly of the rotor group is completed. drain the pump. • Finally mount rotor assembly to the volute casing. (In •...

  • Page 13: Possible Failures, Causes, Solutions

    NMM Series 11. POSSIBLE FAILURES, CAUSES, SOLUTIONS Possible failures and solution strategies are listed in the table below. Please apply to the Customers’ Service Depart- ment of our company when a generic solution is not found to your problem. While the failures are repaired the pump must always be dry and un-pressurized.

  • Page 14: Pump Dimensions Table

    12. PUMP DIMENSIONS TABLE Figure 6: NMM Pump Dimensions Figure Mechanical MOTOR FLANGES GENEL PUMP Seal Nominal Impeller Diameter 0.25 222.5 461.5 0.37 222.5 461.5 1450 rpm 0.55 243.5 482.5 0.75 243.5 482.5 266.5 506.5 266.5 506.5 2900 rpm 100L 112M 335.5 595.5...
  • Page 15 NMM Series Mechanical MOTOR FLANGES GENEL PUMP Seal Nominal Impeller Diameter 0.55 243.5 513.5 0.75 243.5 513.5 1450 rpm 266.5 536.5 266.5 536.5 100L 132S 360.5 675.5 132M 395.5 710.5 2900 rpm 160M 1006 160L 1006 18.5 160L 1006 0.25 222.5...
  • Page 16 Mechanical MOTOR FLANGES GENEL PUMP Seal Nominal Impeller Diameter 0.75 243.5 503.5 1450 rpm 266.5 526.5 266.5 526.5 112M 335.5 615.5 132S 360.5 660.5 2900 rpm 132M 395.5 695.5 160M 266.5 526.5 1450 rpm 266.5 526.5 100L 132M 395.5 700.5 160M 2900 rpm 160L...
  • Page 17 KYP Serisi NMM Series Mechanical MOTOR FLANGES GENEL PUMP Seal Nominal Impeller Diameter 100L 1450 rpm 100L 112M 335.5 615.5 18.5 160L 180M 2900 rpm 200L 200L 100L 112M 335.5 625.5 1450 rpm 132M 395.5 710.5 132M 395.5 710 .5...
  • Page 18 KYP Serisi Mechanical MOTOR FLANGES GENEL PUMP Seal Nominal Impeller Diameter 100L 100L 1450 rpm 112M 335.5 650.5 132M 395.5 735.5 132M 395.5 735.5 180M 200L 10 0 2900 rpm 200L 225M 1020 132M 395.5 735.5 132M 395.5 735.5 1450 rpm 160M 1031 160L...
  • Page 19 NMM Series Mechanical MOTOR FLANGES GENEL PUMP Seal Nominal Impeller Diameter 132M 395.5 735.5 132M 395.5 735.5 160M 1031 1450 rpm 160L 1031 18.5 180M 160L 1046 18.5 180M 180L 1450 rpm 200L 225M 1035 180L 200L 225M 1095 1450 rpm...

  • Page 20: Tightening Torques

    KYP Serisi 13. TIGHTENING TORQUES TIGHTENING TORQUEMAX (Nm) THREAD DIAMETER Property Classes 10.9 1050 1100 1550 1450 2100 1970 2770 2530 3560 Table 5: Tightening Torques Table 14. FORCES AND MOMENTS AT THE PUMP FLANGES All of the applied load sif not reached the maximum allowable value, to provide that the following additional conditions, one of these loads may exceed the normal limit: •...
  • Page 21 NMM Series FORCES MOMENTS DISCHARGE DISCHARGE SUCTI ON FLAN GE SUCTI ON FLAN GE PUMP TYPE FLANGE FLANGE FLANGE NMM 32-160 NMM 32-200 NMM 32-250 NMM 40-160 NMM 40-200 NMM 40-250 NMM 50-160 NMM 50-200 NMM 50-250 NMM 50-315 NMM 65-160...

  • Page 22: Sample Plumbing

    KYP Serisi 15. SAMPLE PLUMBING Figure 7: Sample Plumbing A. Tank B. Long radius elbow C. Minimum slope is 2 cm/m D. Fittings, flanges etc. E. Non-return valve F. Foot valve G. Suction valve H. Reducer İ. Discharge valve J. Electrical connection K.

  • Page 23: Nmm Sectional Drawing And Part List

    NMM Series 16. NMM SECTIONAL DRAWING AND PARTS LIST (WITHOUT COUPLING) Note: This system is used for 5.5 kW or less motor power. Note: This system is used for motor power above 5.5 kW. Figure 8: NMM Sectional Drawing (Without Coupling)
  • Page 24 KYP Serisi NMM SECTIONAL DRAWING AND PARTS LIST (WITH COUPLING) 211 362 322 340 Figure 9: NMM Sectional Drawing (With Coupling) Part No Part Name Part No Part Name Pump Casing Plug, Pump Casing Wearing Ring Stud, Pump Casing Adapter Hexagonal Bolt Motor Flange Hexagonal Bolt...

  • Page 25: Nmm Drawing For Dismantling

    NMM Series 17. NMM DRAWING FOR DISMANTLING (WITHOUT COUPLING) Figure 10: NMM Drawing For Dismantling (Without Coupling) Part No Part No Part Name Part Name Volute Casing Plug, Adapter Wear Ring Plug, Volute Casing Adapter Stud, Volute Casing Adapter Flange...
  • Page 26 KYP Serisi NMM DRAWING FOR DISMANTLING (WITH COUPLING) Figure 11: NMM Drawing For Dismantling (With Coupling) Part No Part No Part Name Part Name Volute Casing Plug, Volute Casing Wear Ring Stud, Volute Casing Adapter Hex Bolt Adapter Flange Cap Screw Impeller Cap Screw Mechanical Seal Ring...

  • Page 27: Nmm Series Mei Values Table

    NMM Series 18. NMM SERIES MEI VALUE TABLE Pump Type Speed (rpm) Pump Type Speed (rpm) 2900 NMM 32 -160 NMM 32 -160 1450 NMM 32 -200 1450 NMM 32 -200 2900 NMM 32 -250 1450 2900 NMM 32 -250...
  • Page 28 Head Office / Center Service Orta Mahallesi, Atayolu Caddesi No: 16 Tuzla 34956 İstanbul / Turkey Phone: +90 216 456 47 00 Customer Service: +90 850 888 8 627 e-mail: info@masgrup.com www.masgrup.com...

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