Dellmeco DM 08/10 Instruction Manual
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Dellmeco DM 08/10 Instruction Manual

Air operated double diaphragm pumps
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INSTRUCTION MANUAL
Air operated double diaphragm pumps
Models: DM 08/10
Serial no.
Ver. 1.26
DM 10/25
DM 15/55
DM 25/125
DM 40/315
DM 50/565
DM 80/850

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Summary of Contents for Dellmeco DM 08/10

  • Page 1 INSTRUCTION MANUAL Air operated double diaphragm pumps Ver. 1.26 Models: DM 08/10 DM 10/25 DM 15/55 DM 25/125 DM 40/315 DM 50/565 DM 80/850 Serial no.

  • Page 2: Models: Dm

    Product name: Air Operated Double Diaphragm Pumps Models: DM - series Referred to in this declaration conforms with the: - Directive 2006/42/EC Date: July 1 2014 K. Ziemann Managing Director 2 I DELLMECO I AODD DIAPHRAGM PUMPS...

  • Page 3: Table Of Contents

    14.3. Technical Data___________________________________________________________________________ 25 14.4. Pump code______________________________________________________________________________ 25 14.5. Performance curves _______________________________________________________________________ 26 15. Dellmeco Active Pulsation Dampers for Plastic Pumps ____________________________________________ 27 15.1. Main specification________________________________________________________________________ 27 15.2. Appearance and dimensions (pump with pulsation damper) _________________________________________ 30 15.3. Discharge port for pulsation damper assembly ___________________________________________________ 30 16.

  • Page 4: Introduction

    In case a diaphragm gets damaged, fluid will gush out together with air through the exhaust port. Provide protective measures in consideration of possible leakage of fluid. When using the hose and pit etc, make sure to use a model with appropriate corrosion resistance for the fluid to be pumped. 4 I DELLMECO I AODD DIAPHRAGM PUMPS...
  • Page 5 Ø Use only genuine Dellmeco parts when replacing component parts of this product. ! ! ! ! Torque of all tightening parts must be checked before running the pump. Designated torques are mentioned in maintenance manual.

  • Page 6: Names Of Parts And Materials

    5. Names of parts and materials 5.1. DM 08/10, DM 10/25 Sleeve with Split connections (option code S) – DM 10/25 only 6 I DELLMECO I AODD DIAPHRAGM PUMPS...
  • Page 7 Spare parts list for DM 08/10 and DM 10/25 pumps DM 08/10 DM 10/25 Pump housing 2 08 01 20 2 10 01 20 PTFE 2 08 01 23 2 10 01 23 PE conductive 2 08 01 21 2 10 01 21...

  • Page 8: Dm 15/55, Dm 25/125

    5.2. DM 15/55, DM 25/125 Flange Connections PN10 (option code F1, F2, F3) Flange Connections (option code F4, F7, F8, F9) Sleeve with Split connections (option code S) 8 I DELLMECO I AODD DIAPHRAGM PUMPS...
  • Page 9 1 25 540 50 Valve seat key AISI 304 1 15 254 50 1 25 254 50 Upper/lower plugs and air valve diverse 1 08 58 00 1 08 58 00 key (SK3, SK4) 9I DELLMECO I AODD DIAPHRAGM PUMPS...

  • Page 10: Dm 40/315, Dm 50/565

    5.3. DM 40/315, DM 50/565 Flange Connections PN10 (option code F1, F2, F3) Flange Connections (option code F4, F7, F8, F9) Sleeve with Split connections (option code S) 10 I DELLMECO I AODD DIAPHRAGM PUMPS...
  • Page 11 1 50 540 50 Valve seat key AISI 304 1 40 254 50 1 50 254 50 Upper/lower plugs and air valve diverse 1 08 58 00 1 08 58 00 key (SK3, SK4) 11I DELLMECO I AODD DIAPHRAGM PUMPS...

  • Page 12: Dm 80/850

    5.4. DM 80/850 12 I DELLMECO I AODD DIAPHRAGM PUMPS...
  • Page 13 1 80 299 20 1 Valve seat key AISI 304 1 80 254 50 1 Upper/lower plugs key (SK5) diverse 1 80 158 00 1 Air valve key (SK4) diverse 1 08 58 00 13I DELLMECO I AODD DIAPHRAGM PUMPS...

  • Page 14: Assembly

    POSITIVE SUCTION HEAD Common as a method of drawing off the bottoms of holding tanks and clarifiers. Optimum inlet pressure should be kept at 0.2-0.3 bar. 14 I DELLMECO I AODD DIAPHRAGM PUMPS...
  • Page 15 Size DM 08/10 DM 10/25 DM 15/55 DM 25/125 DM 40/315 DM 50/565 DM 80/850 Torque values for housing bolts (Nm): PE pumps PTFE pumps 15I DELLMECO I AODD DIAPHRAGM PUMPS...

  • Page 16: Connecting The Ground Wire

    3) Connect a hose to the valve on the suction-port side and the valve of the discharge-port side of the pump. 4) Connect a hose on the suction-side intake and the discharge-port side to the respective vessels. 16 I DELLMECO I AODD DIAPHRAGM PUMPS...

  • Page 17: Connecting Air Piping

    Peripheral equipment with sufficient airflow should be chosen to meet the requirement of the pump air consumption. It must be installed nearest the pump unit, even using dry air. Usage and stability of air pressure must be considered. 17I DELLMECO I AODD DIAPHRAGM PUMPS...

  • Page 18: Operation

    ! ! ! ! If fluid is not discharged after you start the pump, or if you hear an abnormal noise or notice any irregularity, shut down the pump immediately. 18 I DELLMECO I AODD DIAPHRAGM PUMPS...

  • Page 19: Shutdown

    6) Flush with clean water. 7) Remove the hose from the suction side of the pump, run the pump for a while to purge the pump of remaining fluid as much as possible. 19I DELLMECO I AODD DIAPHRAGM PUMPS...

  • Page 20: Daily Check

    Open the flow valve on the discharge side. The fluid piping is clogged with sludge. Check and clean the fluid piping. The pump is clogged with sludge. Disassemble the casing, check and clean. 20 I DELLMECO I AODD DIAPHRAGM PUMPS...
  • Page 21 Check and clean the exhaust port and muffler. sludge. The pump is clogged with sludge. Disassemble the casing, check and clean. 12.4. Liquid leakage from exhaust port (silencer) Cause Action to take Damaged diaphragms. Replace the diaphragms. 21I DELLMECO I AODD DIAPHRAGM PUMPS...

  • Page 22: Returning The Product For Servicing

    1) Get an acceptance from your dealer or regional office. 2) Clean the pump. 3) Return the product in the same package as when it was first shipped from the factory. 22 I DELLMECO I AODD DIAPHRAGM PUMPS...
  • Page 23 Fluid temperature ______________________ *C/*F Slurry: Suction side_________________________m *YES Density _______________ wt% Suction side diameter_________________ m Particulate diameter _____________________ mm Discharge side _____________________ m Problem Draw a summary drawing of application (size, length of piping, and component parts) 23I DELLMECO I AODD DIAPHRAGM PUMPS...

  • Page 24: Main Body Specification

    G 3/8" R 1/8" DM 15/55 G 1/2" R 1/4" DM 25/125 G 1" R 1/4" DM 40/315 " R 1/2" DM 50/565 G 2" R 1/2" DM 80/850 G 3” R 3/4” 24 I DELLMECO I AODD DIAPHRAGM PUMPS...

  • Page 25: Technical Data

    F - PTFE, cylinder valve P – Powder pump P - PE, cylinder valve T – Trolley C - Ceramic, ball valve CLEAN – The clean package to meet enlarged purity requirements for special pump applications 25I DELLMECO I AODD DIAPHRAGM PUMPS...

  • Page 26: Performance Curves

    14.5. Performance curves 26 I DELLMECO I AODD DIAPHRAGM PUMPS...

  • Page 27: Dellmeco Active Pulsation Dampers For Plastic Pumps

    Besides, a correct positioning of the O-ring [45] within the groove has to be ensured. The DELLMECO damper can easily be attached to a pump at any time in the future by changing the discharge port. The use of a pulsation damper of the series DM reduces the capacity of the complete system in dependence of the point of operation.
  • Page 28 8/ 12**/ Housing bolt plug 8 08 058 20 8 10 058 20 8 10 058 20 8 25 058 20** 8 40 058 20** 8 50 058 20*** 8 80 058 20*** 16*** 28 I DELLMECO I AODD DIAPHRAGM PUMPS...
  • Page 29 PULSATION DAMPER – exploded view 29I DELLMECO I AODD DIAPHRAGM PUMPS...

  • Page 30: Appearance And Dimensions (Pump With Pulsation Damper)

    2 15 26 21 2 25 26 21 2 40 26 21 2 50 26 21 pulsation damper PTFE conductive 2 15 26 24 2 25 26 24 2 40 26 24 2 50 26 24 30 I DELLMECO I AODD DIAPHRAGM PUMPS...

  • Page 31: Optional Equipment

    Additional information to the operating and installation instructions ought to be studied before installing the pump For special requirements DELLMECO pneumatic diaphragm pumps of the Plastic Series can be furnished with several optional equipment. The pump code informs, which of these are included in the pump.
  • Page 32 Exploded view, barrier chamber system for DM 10 (SC5, SC6 only) Exploded view, barrier chamber system for DM 15, 25, 40, 50 (only DM 15, DM 25) 32 I DELLMECO I AODD DIAPHRAGM PUMPS...

  • Page 33: Stroke Counting (Option Code Sc1, Sc2, Sc3, Sc5, Sc6)

    The wiring diagram and technical data can be found on the electric units themselves. For further details, please refer to the data delivered by the manufacturers of the components. The controllers have to be installed in a suitable cabinet. 33I DELLMECO I AODD DIAPHRAGM PUMPS...
  • Page 34 1 08 392 00 1 08 392 00 1 08 392 00 1 08 392 00 1 08 392 00 1 08 392 00 as SC5, but additionally contains: Stroke counter diverse 9 15 17 00 9 15 17 00 9 15 17 00 9 15 17 00 9 15 17 00 9 15 17 00 34 I DELLMECO I AODD DIAPHRAGM PUMPS...

  • Page 35: Diaphragm Monitoring (Option Code Dm1, Dm2)

    16.3. Diaphragm Monitoring (option code DM1, DM2) Although DELLMECO diaphragms with integrated metal core are designed for an optimum service life, the diaphragm remains a wear part. If it breaks, liquid can leak into the center housing and possibly emerge through the muffler.

  • Page 36: Sleeve With Split Connections (Option Code S)

    (not included in the delivery), the back flushing system can be activated automatically when cutting off the pump. Side housing O-rings are made of EPDM (code BF1, BF4) or FEP/FKM (code BF2, BF5). Appearance of back flushing system Manual Back Flushing System Pneumatic Back Flushing System 36 I DELLMECO I AODD DIAPHRAGM PUMPS...
  • Page 37 2 15 78 08 2 40 272 08 2 50 272 08 As BF4 but: O-ring for piston and cover 2 15 272 10 2 25 272 10 2 40 272 10 2 50 272 10 37I DELLMECO I AODD DIAPHRAGM PUMPS...

  • Page 38: High Pressure System (Option Code Hp)

    16.7 High Pressure System (option code HP) DELLMECO diaphragm pumps can be fitted with High Pressure option. It is a very compact unit that can be mounted directly to the filter press. It has been designed for charging filter presses with chemical wastes and special sludge.
  • Page 39 1 25 464 50 1 40 464 50 1 50 464 50 Upper plug plate screw AISI 304 1 15 564 50 1 25 564 50 1 40 564 50 1 50 564 50 Performance curves 39I DELLMECO I AODD DIAPHRAGM PUMPS...

  • Page 40: Limited Warranty

    Parts for this product will be kept available for 5 years after discontinuation of production. Once 5 years have elapsed after close of production, availability of parts for this product cannot be guaranteed. 40 I DELLMECO I AODD DIAPHRAGM PUMPS...
  • Page 41 Notes:...
  • Page 42 DELLMECO LTD Unit 1, Willow Row Longton Stoke on Trent Staffordshire ST3 2PU United Kingdom tel. +44 1782 793 029 fax: +44 1782 501 721 sales@dellmeco.com www.dellmeco.com...

This manual is also suitable for:

Dm 15/55Dm 25/125Dm 10/25Dm 40/315Dm 50/565Dm 80/850

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