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Sera 409.2 ML Series Operating Instructions Manual

Multi-layer diaphragm pump
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* a v a i l a b l e u n t i l 3 1 . 1 2 . 2 0 1 6

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Summary of Contents for Sera 409.2 ML Series

  • Page 1 * a v a i l a b l e u n t i l 3 1 . 1 2 . 2 0 1 6...

  • Page 2: Table Of Contents

    General ................. 29 10.4.2 Diaphragm change ............29 10.5 Oil change ............. 32 Lubricant ............... 32 11.1 Lubricant in stroke mechanism ......32 Fault analysis and corrective action ....... 32 TA 431 Rev. 8 en 06/2015 www.sera-web.com Technical modifications reserved!
  • Page 3 13.6 Cleaning ............... 35 13.7 Shut-down ............35 13.8 Disassembly ............35 13.9 Disposal ..............35 Decommissioning ..........35 Disposal ..............35 15.1 Dismounting and transport ........35 15.2 Complete disposal ..........35 TA 431 Rev. 8 en 06/2015 www.sera-web.com Technical modifications reserved!

  • Page 4: General

    Serie 409.2 ML Operating instruction General Type plate Before commissioning and during operation of the sera multi- layer diaphragm pump it is necessary to follow the relevant Each sera multi-layer diaphragm pump is factory provided with local instructions. a type plate. The following information can be found on this type plate.

  • Page 5: Materials

    ISO 9001:2008. corresponding training and instructions. Such a training can be The sera multi-layer diaphragm pump is compliant with the realized - if required - upon order of the operator of the valid safety requirements and accident prevention regulations machine by the manufacturer / supplier.

  • Page 6: Dangers In Case Of Inobservance Of The Safety Instructions

    The inobservance of the safety instructions may have the 3.10 Proper use following consequences: • The sera diaphragm pump is only to be deployed according to Failure of important functions of the pump the intended purpose stated in the product description and the •...

  • Page 7: Utilities

    Operating instruction 3.12 Utilities Storage If not agreed otherwise in the contract conditions, the sera An undamaged packaging protects the device during multi-layer diaphragm pump will always be supplied with the subsequent storage and should only be opened when the necessary utilities.

  • Page 8: Assembly Groups Of Multi-Layer Diaphragm Pump

    Stroke frequency transmitter (with Inductive-contact) Assembly pump Suction valve Pump body, diaphragm rupture signal by pressure switch Pump body, optical, local indication of diaphragm rupture by Manometer Fig. 03 Assembly - overview TA 431 Rev. 8 en 06/2015 www.sera-web.com Technical modifications reserved!

  • Page 9: Technical Data

    Multi-layer diaphragm pump Serie 409.2 ML Operating instruction Technical data Dimensions M 8 / Ø 6,5 M8, d=6,5 mounting Befestigungsbohrungen holes M 1 ... 4 Fig. 04 Dimensions TA 431 Rev. 8 en 06/2015 www.sera-web.com Technical modifications reserved!
  • Page 10 Driving motor for operation with Frequency converter (FU) AC - Motor EExeIIT4 - motor Option Stroke frequency transmitter Stroke Amongst others, dimensions for fastening the See Fig. 04 mechanism pump TA 431 Rev. 8 en 06/2015 www.sera-web.com Technical modifications reserved!

  • Page 11: Technical Data

    0,37 1500 type plate on the drive motor of the respective diaphragm pump! 0,25 1500 EExeIIT4- Motor II2G EExe IIT4 EExdeIIT4-Motor 0,25 1500 II2G EExde IIT4 (pressure-proof) Tab. 04 Motordaten TA 431 Rev. 8 en 06/2015 www.sera-web.com Technical modifications reserved!

  • Page 12: Functional Discription

    Functional discription (stroke length adjustment) Stroke mechanism General sera multi-layer diaphragm pumps are run-dry safe oscillating displacement pumps that are characterised by high tightness of the dosing head. The liquid is conveyed by a deformable multi-layer diaphragm. Multi-layer diaphragm pumps consist of the following (main) components: •...
  • Page 13 This guarantees that adjustments can only be made within the permissible range. The position potentiometer is driven by a safety clutch which prevents damage caused by incorrectly adjusted limit switches. Activation is performed by appropriate control units (see sera - accessories) (Adj. spindle) Dial scale with indication of percent Fig.

  • Page 14: Assembly Pump

    Automatic stroke length adjustment by a pneumatic actuator Pay attention to the documents attached to the actuator. Medium Suction valve Mulit-layer diaphragm set Abb. 11 Function principle of multi-layer diaphragm pump TA 431 Rev. 8 en 06/2015 www.sera-web.com Technical modifications reserved!

  • Page 15: Pump Body

    7.2.6 Stroke frequency transmitter (optional) Depending on the applied backpressure, movements of the sera dosing pumps are oscillating displacement pumps with an plastic pump body in elastic materials are possible. exactly defined stroke volume per each pump stroke. This does not affect the pumps’s durability or operating safety.

  • Page 16: Diaphragm Rupture Monitoring

    Multi-layer diaphragm pump Serie 409.2 ML Operating instruction Pressure switch 7.2.7 Diaphragm rupture monitoring sera multi-layer diaphragm pumps are equipped with a diaphragm rupture monitoring. Working diaphragm CAUTION! Pump body For more detailed information about the indicators of the diaphragm rupture monitoring, please see Chapter 17! 7.2.7.1...

  • Page 17: Driving Motor

    Serie 409.2 ML Operating instruction Driving motor 7.3.3 Terminal box sera multi-layer diaphragm pumps are driven either by a three- Before closing the terminal box, please check that: phase motor or an AC motor. • all terminal connections are tightly fitted •...

  • Page 18: Maintenance Of The Drive Motor

    Prior to connecting the pipes, remove the plastic caps on the suction and pressure attachments of the pump. • Check that the fixing screws for the pump body are tightly fitted and, if necessary, retighten. TA 431 Rev. 8 en 06/2015 www.sera-web.com Technical modifications reserved!

  • Page 19: Provide For An Overpressure Protection

    In the case that the pump is not equipped with an overpressure protection, it may get damaged if the Suction line Shut-off fitting permissible operating pressure is exceeded. Fig. 21 Installation with diaphragm relief valve (into suction line) TA 431 Rev. 8 en 06/2015 www.sera-web.com Technical modifications reserved!

  • Page 20: How To Prevent A Backflow Of The Dosing Medium

    Fig. 23 Installation of pressure keeping valve CAUTION! Pay attention to/avoid chemical reactions arising from a backflow of the dosing medium. TA 431 Rev. 8 en 06/2015 www.sera-web.com Technical modifications reserved!

  • Page 21: How To Ensure An Airless Suction

    Fig. 25 Installation empty-tank-alarm CAUTION! The delivery may get interrupted if air remains in the suction line! Suction lance / -line Foot valve Tank Fig. 24 Installation of ventilation valve TA 431 Rev. 8 en 06/2015 www.sera-web.com Technical modifications reserved!

  • Page 22: How To Avoid An Emptying Of The Suction Line

    Fig. 27 Installation of a line strainer Tank CAUTION! Foot valve Pump and system may malfunction if contaminates are not collected. Fig. 26 How to avoid an emptying of the suction line TA 431 Rev. 8 en 06/2015 www.sera-web.com Technical modifications reserved!

  • Page 23: Suction Via A Siphon Pipe

    Multi-layer diaphragm pump Pressure line Shut-off fitting Suction lance/ Suction line Foot valve sera Fig. 28 Installation of siphon vessel ( -Fitting) Tank Suction line Shut-off fitting Fig.. 30 Installation of pulsation damper (I) TA 431 Rev. 8 en 06/2015 www.sera-web.com...
  • Page 24 Suction line Tank Pulsation damper Shut-off fitting (suction side) Suction line Evacuation fitting Fig. 33 Installation of pulsation damper and pressure keeping valve Fig. 32 Installation of pulsation damper (III) TA 431 Rev. 8 en 06/2015 www.sera-web.com Technical modifications reserved!

  • Page 25: Operation In Explosion-Hazardous Areas

    The product supplied by sera meets the requirements of di- rective 94/9/EC. This guarantees a safe operation in explosion- Operation hazardous areas.

  • Page 26: Maintenance

    For the tightening torques of the fixing screws, please see Chapter 8.1 “Installation”. Repairs on the stroke drive may only be performed by sera. 10.2 Spare parts The following parts are considered as spare parts of the multi-layer diaphragm pump: •...

  • Page 27: Spare- And Wearing Parts

    ...409.2 – 30 ML ...409.2 – 45 ML ...409.2 – 72 ML ...409.2 – 110 ML ...409.2 – 150 ML ...409.2 – 220 ML Fig. 34 Spare- and wearing parts TA 431 Rev. 8 en 06/2015 www.sera-web.com Technical modifications reserved!
  • Page 28 Disk(s) Front plate Pressure switch Check valve Pos. Designation O-ring Pressure switch Joint O-ring Pressure switch additionally with ex-design Pos. Designation Screwed cap Pressure switch (Ex-Execution) Insert socket Sealing washer TA 431 Rev. 8 en 06/2015 www.sera-web.com Technical modifications reserved!

  • Page 29: Replacing The Diaphragm

    Connecting rod O-Ring Fig. 37 • O-Ring take out of the base ring • Check signal device visually for any sign of damage TA 431 Rev. 8 en 06/2015 www.sera-web.com Technical modifications reserved!
  • Page 30 Apply delivery pressure and have the pump run for a short period (30s) • Switch off the pump • Screw in the signal device (see Fig. 40) Suction valve Fig. 39 TA 431 Rev. 8 en 06/2015 www.sera-web.com Technical modifications reserved!
  • Page 31 Fig. 42 crewed cap Add the suction and pressure line and connect the pump to the power supply. The multi-layer diaphragm pump is then again ready for operation Fig. 41 TA 431 Rev. 8 en 06/2015 www.sera-web.com Technical modifications reserved!

  • Page 32: Oil Change

    Fault analysis and corrective action malfunctions occur, these can be located and corrected easily sera products are proven technical products which are only with the help of the following reference guide (Tab 07). shipped after an extensive final test in our works. Should any TA 431 Rev.
  • Page 33        Chapter 10.4 Air between the diaphragm layers Remove the air between the diaphragm layers     Tab. 07 (Fault analysis and corrective action) TA 431 Rev. 8 en 06/2015 www.sera-web.com Technical modifications reserved!
  • Page 34 • Prescribed maintenance schedules ignored. • 13.2 Assembly and installation Use of wrong spare parts/oils (e.g. no sera original spare parts, wrong viscosity). • • Improper mounting of spare and wearing parts (e.g. Power supply not fuse protected (no fuse/fuse too large, wrong tightening torque for pump body).
  • Page 35 Wrong or no protective clothing at all. • Poorly ventilated room. 13.9 Disposal • Improper disposal of the pumped medium, utilities and materials. • No marking of hazardous media. TA 431 Rev. 8 en 06/2015 www.sera-web.com Technical modifications reserved!
  • Page 36 Multi-layer diaphragm pump Serie 409.2 ML Operating instruction TA 431 Rev. 8 en 06/2015 www.sera-web.com Technical modifications reserved!

This manual is also suitable for:

R409.2-11 mlR409.2-17 mlR409.2-30 mlR409.2-45 mlR409.2-72 mlR409.2-110 ml ... Show all

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