Dellmeco DM 80/800 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. 1.20
DM 10/25
DM 15/55
DM 25/125
DM 40/315
DM 50/565
DM 80/800

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Summary of Contents for Dellmeco DM 80/800

  • Page 1 INSTRUCTION MANUAL Air operated double diaphragm pumps Ver. 1.20 Models: DM 08/10 DM 10/25 DM 15/55 DM 25/125 DM 40/315 DM 50/565 DM 80/800 Serial no.
  • Page 2: 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 16. Optional Equipment ________________________________________________________________________ 31 16.1.
  • Page 3: 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 4 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 5: 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 6 1 Center housing complete 1 08 11 20 1 10 11 20 PE conductive 1 08 11 21 1 10 11 21 8 Pump housing plug set 2 08 058 20 2 10 058 20 7I DELLMECO I AODD DIAPHRAGM PUMPS...
  • Page 7: 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 F7, F8, F9) Sleeve with Split connections (option code S) 8 I DELLMECO I AODD DIAPHRAGM PUMPS...
  • Page 8 1 15 11 21 1 25 11 21 Pump housing plug set 2 15 058 20 2 25 058 20 Shaft allen pin screw AISI 304 1 15 540 50 1 25 540 50 9I DELLMECO I AODD DIAPHRAGM PUMPS...
  • Page 9: 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 F7, F8, F9) Sleeve with Split connections (option code S) 10 I DELLMECO I AODD DIAPHRAGM PUMPS...
  • Page 10 1 40 11 21 1 50 11 21 16 Pump housing plug 2 40 058 20 2 50 058 20 2 Shaft allen pin screw AISI 304 1 40 540 50 1 50 540 50 11I DELLMECO I AODD DIAPHRAGM PUMPS...
  • Page 11: Dm 80/800

    5.4. DM 80/800 12 I DELLMECO I AODD DIAPHRAGM PUMPS...
  • Page 12 Spare parts list for DM 80/800 pump DM 80/800 2 Pump housing 2 80 01 20 PE conductive 2 80 01 21 1 Center housing 1 80 10 20 PE conductive 1 80 10 21 1 Suction port 2 80 25 20...
  • Page 13: 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 14 Both lower and upper plugs [24, 25] have to be fixed too. Fixing all these parts is necessary as well after longer periods of stoppage, at extreme temperature variations, after transport and dismantling the pump. Size DM 08/10 DM 10/25 DM 15/55 DM 25/125 DM 40/315 DM 50/565 DM 80/800 Torque values for housing bolts (Nm): PE pumps...
  • Page 15: 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 16: 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 17: 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 18: 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 19: 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 20 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 21: 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 22 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 23: 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 80/800 G 3” R 3/4” 24 I DELLMECO I AODD DIAPHRAGM PUMPS...
  • Page 24: Technical Data

    P – Powder pump T – Trolley F - PTFE, cylinder valve CLEAN – the Clean package to meet enlarged purity requirements for special pump applications P - PE, cylinder valve C - Ceramic, ball valve 25I DELLMECO I AODD DIAPHRAGM PUMPS...
  • Page 25: Performance Curves

    14.5. Performance curves 26 I DELLMECO I AODD DIAPHRAGM PUMPS...
  • Page 26: 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 27 2 80 78 08 Housing bolt 8/ 12**/ 16*** 8 10 058 20 8 15 058 20 8 25 058 20** 8 40 058 20** 8 50 058 20*** 8 80 058 20*** plug 28 I DELLMECO I AODD DIAPHRAGM PUMPS...
  • Page 28 PULSATION DAMPER – exploded view 29I DELLMECO I AODD DIAPHRAGM PUMPS...
  • Page 29: Appearance And Dimensions (Pump With Pulsation Damper)

    R 1/8” DM 25/125 G 1” R 1/4" R 1/8” DM 40/315 ” R 1/2" R 1/4” DM 50/565 G 2” R 1/2" R 1/4” DM 80/800 G 3” R 3/4” R 1/2” 30 I DELLMECO I AODD DIAPHRAGM PUMPS...
  • Page 30: 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 31 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 32: 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 33 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 34: 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 35: Flange Connections (Option Code F1, F2, F3, F7, F8, F9)

    (not included in the delivery), the back flushing system can be activated automatically when cutting off the pump. The O-rings side housing are made of EPDM (BF1, BF4) or resp. FEP/FPM (BF2, BF5). 36 I DELLMECO I AODD DIAPHRAGM PUMPS...
  • Page 36 2 15 70 04 2 15 70 04 2 40 072 04 2 50 072 04 O-ring, piston 2 15 272 10 2 25 272 10 2 40 272 10 2 50 272 10 37I DELLMECO I AODD DIAPHRAGM PUMPS...
  • Page 37: 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 unity that can be mounted directly to the filter press. It has been designed for charging filter presses with chemical wastes and special sludge.
  • Page 38 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 40 564 50 Performance curves 39I DELLMECO I AODD DIAPHRAGM PUMPS...
  • Page 39: 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...

This manual is also suitable for:

Dm 10/25Dm 15/55Dm 25/125Dm 40/315Dm 50/565Dm 08/10

Table of Contents