Table of Contents
Advertisement
Quick Links
Operation and Maintenance Manual
Magnetic Drive Sealless Centrifugal Pumps
MLZ FLUOROPOLYMER LINED SERIES
GROUP 1
2 MODELS
and
Magnatex Pumps, Inc.
3575 West 12th Street
Houston, TX 77008
Toll Free: 866.MAG.PUMP (866.624.7867)
Phone:713.972.8666 Fax:713.972.8665
www.magnatexpumps.com
1
Copyright 2025 Magnatex Pumps Inc
Advertisement
Table of Contents
Related Manuals for MagnaTex MLZ Series
Summary of Contents for MagnaTex MLZ Series
- Page 1 Operation and Maintenance Manual Magnetic Drive Sealless Centrifugal Pumps MLZ FLUOROPOLYMER LINED SERIES GROUP 1 2 MODELS Magnatex Pumps, Inc. 3575 West 12th Street Houston, TX 77008 Toll Free: 866.MAG.PUMP (866.624.7867) Phone:713.972.8666 Fax:713.972.8665 www.magnatexpumps.com Copyright 2025 Magnatex Pumps Inc...
- Page 2 Copyright 2025 Magnatex Pumps Inc...
-
Page 3: Table Of Contents
Cross-Section and Parts List GROUP 1 PUMPS -------------------------------------------------------- 22 Cross-Section and Parts List GROUP 2 – 8” 10” PUMPS with FB FRAME --------------------- 23 & Cross-Section and Parts List GROUP 2 – 8” 10” PUMPS with FC/FCC FRAME --------------- 24 & Copyright 2025 Magnatex Pumps Inc... -
Page 4: Warnings
GENERAL INSTRUCTIONS This instruction manual is intended to assist those responsible for the installation, operation, and maintenance of MAGNATEX Magnetic Drive Sealless Pumps. Read the complete manual thoroughly, and review the Hydraulic Institute Standards Rotodynamic Pumps for Pump Piping (ANSI/HI 9.6.6-2016) -
Page 5: Storage Procedures
If long-term storage is necessary prior to pump installation/operation, contact your local representative or MAGNATEX PUMPS INC. for long-term storage recommendations. For maximum protection cover the pump with plastic or other protective material. Motors should be rotated by hand every 2-3 months. -
Page 6: Rotation Check And Start-Up
(assuming constant demand to the system). G. Magnatex pumps, although very rugged, are not designed to handle excessive pipe stress. The resulting forces and moments on the pump can result in misalignment and possible damage to the pump. -
Page 7: Priming
If after repeating Step C several times, the pressure gauge does not hold steady or does not yield the expected pressure (from performance curve), contact your Magnatex representative, or MAGNATEX PUMPS INC. (713-972-8666) for assistance. Do not continue to operate the pump under these conditions. -
Page 8: Torque Chart - Fasteners
PVC drift rod and mallet after initial firm hand tightening and “bottoming” of the component. These tools may also be used for removing the components. A special socket tool is available from Magnatex for loosening the inner magnet locknut (impeller locknut) at a modest cost. -
Page 9: Dismantling Of Group 1 Pumps
The magnet forces will attempt to remain engaged, so it is important to have a firm grasp of the impeller and magnet assembly when pulling it from the frame in one motion. Copyright 2025 Magnatex Pumps Inc... - Page 10 10. Working with the impeller and inner magnet assembly, called the PB Assembly, the following components are removeable: a. Inner Magnet Locknut (Item 9), LH threaded – turn CW to remove from impeller Copyright 2025 Magnatex Pumps Inc...
-
Page 11: Assembly Of Group 1 Pumps
2. Using a small amount of anti-seize compound, lightly coat either the bore of the outer magnet (Item 13) OR the motor shaft to ease future maintenance. Place the motor key into the shaft keyway. Copyright 2025 Magnatex Pumps Inc... - Page 12 Place the first bearing (Item 11) with fluted face away from the suction side of the impeller into the bore of the sleeve (tapered OD) section of the backside of the impeller. The flat side prevents relative rotation between the impeller and Copyright 2025 Magnatex Pumps Inc...
- Page 13 This completes the assembly of the PB assembly, and it may now be placed into the pump casing by gently placing it onto the shaft. If this is a spare assembly, the PB should be bagged to keep it clean and placed in a wooden/ heavy cardboard Copyright 2025 Magnatex Pumps Inc...
-
Page 14: Removal Of Motor From Group 2 Pump Unit
(Item 18) is the easiest way to “break” the magnetic couple. Threaded jacking bolt holes are provided on the pump Frame to allow slowly separating the motor from the Frame with the motor firmly supported for a controlled Copyright 2025 Magnatex Pumps Inc... - Page 15 5. Pull the motor from the pump frame in one straight axial motion, separating the magnet coupling. Jacking bolts may be utilized for a slower, more controlled separation of the motor from the pump. Keep metal objects away from the interior of the outer magnet to Copyright 2025 Magnatex Pumps Inc...
-
Page 16: Dismantling Of Group 2 Pumps
Impeller Ring (Item 4) Replace if damaged with heavy grooves/chips/gouges, or if lubrication groove depth on the front of the ring is < 0.060” (1.524mm). The ring thickness when new is 10mm. Replacement is usually recommended. Copyright 2025 Magnatex Pumps Inc... -
Page 17: Assembly Of Group 2 Pumps
There are no clearance adjustments, and optimal pump performance is based upon all parts being within spec./good condition. Always replace the casing gasket and check the pump process-lubricated bearings for wear Copyright 2025 Magnatex Pumps Inc... - Page 18 1.25” to 1.50” in diameter, or plastic rod of similar dimensions. c. Install the spacer (Item 12) into the sleeve bore and bottom in the same manner as the first bearing. Do not over drive the spacer or bearing to prevent damage. Copyright 2025 Magnatex Pumps Inc...
- Page 19 The assembly has an exposed inner magnet that will attract metallic objects/dust and care must be Copyright 2025 Magnatex Pumps Inc...
-
Page 20: Installation Of Motor Onto Group 2 Pumps - Bare Pump
The end of the motor shaft must be flush with the inside hub surface of the outer magnet. Keep metal objects away from the interior Copyright 2025 Magnatex Pumps Inc... -
Page 21: List Of Model Sizes By Group
LIST OF MODELS GROUP 1 AA6 1.5x1-6, AA8 1.5x1-8, AB6 3x1.5-6 GROUP 2 A05-10 2x1-10, A10 3x2-6, A50-8 3x1.5-8, A60-8 3x2-8, A70-6 4x3-6 A50-10 3x1.5-10, A60-10 3x2-10 A70-8 4x3-8 A70-10 4x3-10 A80-10 6x4-10 Copyright 2025 Magnatex Pumps Inc... -
Page 22: Cross-Section And Parts List Group 1 Pumps
Copyright 2025 Magnatex Pumps Inc... -
Page 23: Cross-Section And Parts List Group 2 - 8" & 10" Pumps With Fb Frame
Copyright 2025 Magnatex Pumps Inc... -
Page 24: Cross-Section And Parts List Group 2 - 8" & 10" Pumps With Fc/Fcc Frame
Copyright 2025 Magnatex Pumps Inc...
Need help?
Do you have a question about the MLZ Series and is the answer not in the manual?
Questions and answers