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Finish Thompson DB22 Series Assembly, Installation And Operation Manual

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DB22 SERIES
ASSEMBLY, INSTALLATION AND
OPERATION MANUAL
P/N 106782 R20

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Summary of Contents for Finish Thompson DB22 Series

  • Page 1 DB22 SERIES ASSEMBLY, INSTALLATION AND OPERATION MANUAL P/N 106782 R20...
  • Page 2 EU Declaration of Conformity Finish Thompson Inc. hereby declares that the following machine(s) fully comply with the applicable health and safety requirements as specified by the EU Directives listed. The product may not be taken into service until it has been established that the drive motor for the centrifugal pump complies with the provisions of all relevant EU Directives.
  • Page 3 Group II category 2 areas. This declaration applies to Finish Thompson, Inc ATEX DB Series pumps only manufactured out of carbon fiber filled PVDF with a conductive motor adapter and non-sparking ring designated by the letter “V” and “A” in the model number.
  • Page 4 Declaration of Conformity Finish Thompson Inc. hereby declares that the following machine(s) fully comply with the applicable health and safety requirements as specified by the UKCA Directives listed. The product may not be taken into service until it has been established that the drive motor for the centrifugal pump complies with the provisions of all relevant UKCA Directives.
  • Page 5 Group II category 2 areas. This declaration applies to Finish Thompson, Inc ATEX DB Series pumps only manufactured out of carbon fiber filled PVDF with a conductive motor adapter and non-sparking ring designated by the letter “V” and “A” in the model number.

  • Page 6: Table Of Contents

    TABLE OF CONTENTS Description Page Number Model Number/Serial Number ..................6 Important Notice ......................... 6 Chemical Reaction Disclaimer ..................6 Safety Precautions ......................6-8 ATEX Safety Precautions ....................8-9 DB22 Capabilities Maximum Working Pressure ..................10 Maximum Temperature ....................10 Solids ..........................

  • Page 7: Model Number/Serial Number

    U.S. Bureau of Industry and Security (BIS). This affects all Finish Thompson magnetic-drive pumps constructed from PVDF or lined with ETFE. Please contact the BIS (www.bis.doc.gov) or Finish Thompson with questions regarding the Regulations or a list of the countries to which they apply.
  • Page 8 2. You must select an explosion-proof FTI motor or provide your own explosion-proof motor. WARNING: Hot surfaces. This pump is capable of handling liquids with temperatures as high as 220º F (104º C). This may cause the outer areas of the pump to become hot as well and could cause burns. WARNING: Rotating Parts.

  • Page 9: Db22 Capabilities

    Temperature Classification The surface temperature of the DB Series pumps depends upon the temperature of the fluid that is being pumped. The following chart lists different fluid temperatures and the corresponding pump surface temperature. Fluid Maximum Surface Temperature Maximum Allowable Temperature Temperature Class...

  • Page 10: Maximum Motor Power

    Maximum Allowable Motor Power Do not exceed 7.5 kW (10 horsepower) for 50 Hz, 2900 rpm applications. For 60 Hz, 3450 rpm applications, the pump is capable of starting a 15 horsepower motor but is limited to a maximum of 13 horsepower (9.7 kW) while running. Use the information in the chart below to determine the maximum specific gravity capabilities by impeller trim for non-overloading applications.

  • Page 11: Section I - Assembly

    DB22 Assembly, Installation and Operation Unpacking and Inspection Flange hole thread size: Unpack the pump and examine for any signs of shipping damage. If 90 B5 = M10 x 1.5 damage is detected, save the packaging and notify the carrier immedi- 100/112 B5 = M12 x 1.75 ately.

  • Page 12: Section Ii - Installation

    Section II - Installation Mounting – Pump foot should be securely fastened to a solid foundation. If the pump was received with plastic shipping shims, these may be used as additional support for the motor feet. CAUTION: The NPSH available to the pump must be greater than the NPSH required.

  • Page 13: Section Iii - Start-Up And Operation Start-Up

    comply with the supply circuit. asssembly. If utilized, verify that power monitors or variable frequency 2. Clamp the impeller housing to a drill press table. drives have been properly installed according to the manufac- 3. Using a 7/16” drill and the molded boss as a guide, drill turer’s instructions.

  • Page 14: Outer Drive Replacement

    that are connected to the pump, and drain/decontaminate the Remove the barrier (item 7) from the motor adapter (item 8) pump. (make sure the spindle has been removed). If necessary, gently tap on the backside of the barrier with a soft rod WARNING: The pump must be thoroughly flushed of any (wood, plastic, etc).

  • Page 15: Bushing Replacement

    Bushing Replacement 5. Carefully install the impeller/inner drive assembly (items 3A, 3, 4, 4A) by sliding it over the impeller shaft in the barrier. It is normal for the impeller/inner drive to pop up a slight To remove the bushing, place the impeller/inner drive amount due to magnetic forces.

  • Page 16: Db22 Part Number Explanation

    DB22 PART NUMBER EXPLANATION NOTE: Pump end includes wetted components, drive magnet and motor adapter; wet end includes wetted components only. Part Number Explanation Base model number contains standard components. Where standard components aren’t suitable, add the alternative component code letter after the base model number to substitute components.

  • Page 17: Db22 Exploded View Parts Diagram

    DB22 EXPLODED VIEW PARTS DIAGRAM...
  • Page 18 DB22 Spare Parts List Pump Material Item Description Polypropylene PVDF Housing NPT threads & ceramic ring 106403 106403-1 BSP threads & ceramic ring 106403-2 106403-3 FRP flanges 2"x2" & ceramic ring - ANSI150/PN20/40/JIS10K 106478 106478-1 FRP flanges 3"x2" & ceramic ring - ANSI150/PN20/40/JIS10K 107115 107115-1 Steel flanges 2"x2"...
  • Page 19 DB22 Spare Parts List - con’t Pump Material Item Description Polypropylene PVDF Rear Motor Adapter O-Ring (NEMA motors only) Buna 106847 EPDM 106848 106849 Outer Drive Magnet Assembly with Retaining Ring 182/184TC frame (includes set screws) 106453 143/145TC frame(includes set screws) 106457-3 106453-1 213/215TC frame (includes set screws)
  • Page 20 Hardware- All DB22 Models Item Description Stainless Steel Titanium Housing Bolt 106501 106502 Housing Lock Washer 106503 106504 Housing Flat Washer 106506 106505 Motor Adapter Bolt 106495 106498 All frame sizes except 213/215TC 106511 106512 213/215TC Motor Adapter Lock Washer J101023 105762 Motor Adapter Flat Washer...
  • Page 21 DB22 Impeller Assemblies Closed Style Thrust Impeller Ring Material 7.25" 7.13" 7.00" 6.88" 6.75" 6.63" 6.50" 6.38" 6.25" 6.13" 6.00" 5.88" Polypro 106472 106472-14 106472-2 106472-16 106472-18 106472-20 106472-4 106472-22 106472-24 106472-26 106472-6 106472-28 PTFE PVDF 106472-1 106472-15 106472-3 106472-17 106472-19 106472-21 106472-5...

  • Page 22: Troubleshooting

    Foot valve or suction opening not submerged enough • Foot valve too small or leaking Thank you for your purchase of this quality Finish Thompson • Air or gas in liquid product. Be sure to take a minute to register your pump at Finishthompson.com/warranty.

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