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NAVADAN
DIAPHRAGM KIT
Product number: 2009032
User manual

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Summary of Contents for Wilhelmsen NAVADAN DIAPHRAGM KIT

  • Page 1 NAVADAN DIAPHRAGM KIT Product number: 2009032 User manual...
  • Page 2: Table Of Contents

    Introduction Safety Precautions Inventory list Inventory list - pictures Product description Technical data Operations guide Intended use & prohibitive use Suggested site selection Operating instructions Maintenance Troubleshooting Desassembly & Reassembly Exploded view Replacement of Diaphragm Replacement of Ball seat & Ball Replacement of air valve and o-ring of end cap Replacement of shaft O rings Spare part list...
  • Page 3: Introduction

    It’s the responsibility of the employer to ensure this manual is read by the operator. Please preserve this manual. Contact your local Wilhelmsen Ships Service representive for any spare parts or guid- ance on same, as all parts of the system is calibrated to each other. Slight deviation...
  • Page 4: Safety Precautions

    Safety precautions Before operation, read the instructions and follow safety rules as below. WARNING – Static electricity Static sparks can cause explosion resulting in severe injury or death. Ground the pump and the pump connections like hoses and containers into which or from the fluid is being transferred.
  • Page 5 CAUTION – Structural support Please refer figure 1 and ensure that the piping system is independently supported and does not load the pump. The pump is not designed to take the continuous and often pulsating load of a piping system. Important to use a flexible connection between rigid piping and pump casings. CAUTION –...
  • Page 6: Inventory List

    Inventory list Kit Box / Container: Item No. Qty Unit Part no. Description: Wooden box for storage Kit Content: Item No. Qty Unit Part no. Description: pc 2007505 Navadan Diaphragm pump DP50-SSS 2” Stainless set 2007544 Armature set for DP50-SSSHS-CODE pc 2007503 Claw coupling 1”...
  • Page 7 Inventory list - Pictures Item 2: Diaphragm pump Item 4: Suction hose with coupling and strainer Item 3: PVC air hose with claw couplings Item 5: Flat hose with coupling one end...
  • Page 8: Product Description

    Product description • A compact air operated diaphragm pump specially designed for simplicity in operation and maintenance • The pump is constructed with stainless steel casing and the elastomers (diaphragm, balls and seats) are from Santoprene • SANTOPRENE has an excellent abrasion resistance, flex life and durability •...
  • Page 9: Operations Guide

    Operations guide Intended use & Prohibitive use These conditions are adequately described in operating and safety precautions. The list of chem- ical and fluids are too huge to list here. Standard industry practice is to refer a accepted chemical compatibility guide such as Cole Parmeretc to establish compatibility. See section caution: Chemi- cal compatibility earlier in this document.
  • Page 10: Operating Instructions

    Air supply. We recommend installing air filter regulator unit with lubricator. It shall be installed as close as possible to the pump inlet. • 6.2 bar / 90 psi. (max 8.6 bar /125 psi) • Free from moisture. (Recommended filter: 50 microns) •...
  • Page 11: Maintenance

    Maintenance Regular inspection and maintenance schedules will greatly enhance the life of the pump and will ensure a trouble free and safe working environment with little chance of breakdowns. Follow the instructions clearly for disassembly and assembly of the pump and in the trouble- shooting section.
  • Page 12: Troubleshooting

    Troubleshooting Trouble Cause Remedial action Pump Insufficient Air Pressure Check air pressure is as recommended at stopped the pump air inlet and will Air Filter Blocked Check if debris has clogged the inlet filter not start on the FRL unit/pump inlet air valve (some models have air filter on the air inlet valve) and ensure clear passage of air.
  • Page 13: Disassembly And Reassembly

    Disassembly and Reassembly • Shut off air supply and allow residual Pressure to bleed off. • Disconnect air supply • Disconnect suction and discharge piping • Turn pump upside down allow process fluid to drain away. • If fluid is hazardous due care should be taken. •...
  • Page 14: Replacement Of Diaphragm

    Replacement of Diaphragm a. Unscrew both bolt (26) & nut (27) as shown in the exploded view and proceed to remove the small clamp (10). Repeat for the other three small clamps. Remove the outlet (3) & inlet (2) respectively. Ex- amine the balls, seals (and seats) for wear.
  • Page 15: Replacement Of Ball Seat & Ball

    e. Now replace the diaphragms (11). Ensure that dia- phragm orientation is correct, i.e. For ALB/ ALN/ALV the sticker side of the diaphragm (11) to be located in the outer chamber. Now assemble the outer flange (5) in reverse manner and remove the half shaft assembly from vice.
  • Page 16: Replacement Of Shaft O Rings

    Replacement of shaft O rings a. For removing the rubber rings from bush, first follow the step (a.), (b.) & (c.) from the diaphragm replacement. b. Now remove the seals with the help of needle Nose pliers. Care should be taken not to damage the inner face of bush.
  • Page 17: 10. Spare Part List

    10. Spare part list Item Part no Description 3203-20043 Shaft Housing 3203-20047 Inlet Base - BSPP 3203-20048 Outlet - BSPP 3203-20051 Inner Flange 3203-20050 Outer Flange 3203-20049 Outer Chamber Side 2007520 3203-20011 Shaft DP50 REPKIT 3203-20033 Rubber Rings For Bush DP40 / DP50 2007521 3203-20012 Big Clamp2007522 2007522...
  • Page 18 2007545 3203-20599 REPKIT for Diaphragm pump DP50SSS Repair Kit consist of everything you need to quickly restore the pump. Repair Kits contain one set of Diaphragms, one set of balls, one set of seats or seats+Orings, air valve spool com- plete, all gaskets, end caps with fitted rings.
  • Page 19 Notes:...
  • Page 20 Wilhelmsen Ships Service Phone: (+47) 67 58 40 00 Fax: (+47) 67 58 40 80 Postal Address: PO Box 33, NO-1324 Lysaker, Norway...

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2009032

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