ProMinent® Solenoid Metering Pumps General Operating Instructions
Contents
1. 11 3 4 Information on the discharge side installation 13 32 9 How NOL LO instalke a a 14 3 6 Special installation instructions ccccece cece eeeeeeeeeeeeeeeees 15 Slan Deen eee ee ne ee ene eer ee eee eee ee 17 PRECESSONMES 2c nenne ee 20 Waranty clasa Basis 21 Installation fo gene an elena a een 22 Decontamination declaration ccccccccsscccseecceeeeeeeeeeaeeeeeeeeaes 23 Tale gt RERET A P A EEEIEE NEEE A TEE EE E E 24 ProMinent Safety Chapter 1 Safety Chapter Explanation of the safety information The following signal words are used in these operating instructions to identify different severities of a hazard Signal word Meaning WARNING Denotes a possibly hazardous sit uation If this is disregarded you are in a life threatening situation and this can result in serious inju ries CAUTION Denotes a possibly hazardous sit uation If this is disregarded it could result in slight or minor inju ries or material damage Warning signs denoting different types of The following warning signs are used in these operating instructions to danger denote different types of danger Warning signs Type of danger Warning danger zone h Warning high voltage WARNING Warning of hazardous or unknown feed chemical Should a hazardous or unknown feed chemical be used it may escape from the hydraulic components when working on the pump2. A relief valve with a return into the storage tank is useful as overload protection for the discharge line for example install a ProMinent mul tifunctional valve Dampen pressure peaks with a metering stroke with long discharge lines with a pulsation dampener or increase the pipe cross section Ventilation line with pressure vessels Pulsation damper Dampen the pulsations with a pulsation dampener in order to avoid metering errors premature wear and tear and damage to the metering system Ventilation line with pressure vessels Pulsation damper 13 Installation hydraulic 3 5 How not to install Fault description Cause Remedy The suction line cannot be A pocket of air arrow is inthe Prevent the air pocket or install as shown in With bled suction line high suction side pressure 1 on page 15 NN N ni P_MAZ_0009 SW Fig 16 Fault description Cause Remedy Feed chemical flows uncontrolled Siphon effect by discharge Interrupt the discharge line as in With high when the line is filled line falling too deeply suction side pressure 2 on page 15 a P_MAZ_0010_SW Fig 17 Fault description Cause Remedy feed chemical The suction side priming pressure is too high Install as shown in amp With high suction side presses through the caused by the negative pressure difference pressure 3 on page 150r amp With high suc liquid end between the discharge and suction side tion side pressure 3 on
3. 22 Installation details Customer Project no Pump Medium Sucti on side system Dis charge side P MOZ 0003 SW Installation details Date Type Pump capacity Stroke rate Stroke length Valve spring pressure suction side Valve spring pressure discharge side Description Concentration Proportion of solids Grain size Solids material Degree of hardness Dynamic viscosity Density Vapour pressure at operating temperature Pressure in the suction tank Nominal width of suction line Suction lift min max Feed height min max Length of suction line Number of angles valves Pulsation dampener Static system pressure min max Nominal width of discharge line Length of discharge line Discharge lift Number of angles valves Pulsation dampener LJ Sketch enclosed De ee eee eee eee ee ee eee eee eee ee eee eee ee eee eee ee a l h Strokes min eee eee ee eee ee eee eee eee eee eee ee eee eee bar bar Tee ee eee ee ee eee ee eee eee eee eee eee eee eee eee eee eee 1 mm Mohs scale mPa s cP eee eee ee eee ee eee eee eee eee ee eee eee eee eee ee eee eee kg m bar C eee eee eee eee eee ee ee eee eee eee ee eee ee eee eee eee eee eee eee eee eee EEE EEE EEE eee eee ee eee eee ee ee eee HE Q Diaphragm u Pressure VESSEl cececeeeeeeveceee litr Dar 00 a DN mm EEE eee eee eee eee eee ee E Diaphragm _ _aaseseaesase
4. Take appropriate protective measures before working on the pump protective eyewear protective gloves Read the safety data sheet on the feed chemical Drain and flush the liquid end before working on the pump CAUTION Warning of feed chemical spraying around Feed chemical can spray out of the hydraulic components if they are manipulated or opened due to pressure in the liquid end and adjacent parts of the system Disconnect the pump from the mains power supply and ensure that it cannot be switched on again by unauthor ised persons Depressurise the system before commencing any work on hydraulic parts ProMinent Safety Chapter CAUTION Warning of illegal operation Observe the regulations that apply where the unit is to be installed NOTICE Danger from incorrect dosing Should a different liquid end size be fitted this will change the dosing behaviour of the pump Have the pump reprogrammed in the works Information in the event of an emergency In an emergency either press the customer installed emergency off switch or disconnect the pump according to the emergency off management of your system If feed chemical escapes also depressurise the hydraulic system around the pump Observe the safety data sheet for the feed chemical 6 ProMinent 2 Assembly ProMinent Assembly WARNING Risk of electric shock If water or other electrically conducting liquids pene
5. data Company Phone number Contact person Fax Street E Mail Address Your order No We hereby certify that the returned parts have been carefully cleaned To the best of our knowledge they are free from any residues in dangerous quantities Place date Company stamp and legally binding signature ProMinent ProMinen 23 Index 9 Index A PAS SS DIV essen ee en set 7 Avoid deposits in the liquid end 0022000 16 C COMPOME INS miar eae ea 9 D Decontamination declaration u044ee nennen 23 Discharge side installation 4404ene Renee 13 E EMETOEN Ye are ee neue 6 Example of an installation 0222000220022ne nenn 8 Explanation of the safety information 5 F Fluctuating suction side PFESSUIE ccceceeeeeeeeeee ees 15 Flushing EQUIPMENT cccesccceeeceeeceeeeceeesseseneeesaaes 16 Flushing PIiINCIPIleS cccccceccceeeceeceeeceeeceeecseeeeeenans 16 H High suction side PreSSUre cccccessseeeeeeeeeaeeeeeaeeees 15 HOWNOL LOS NS CAN Alessi 14 24 Information in the event of an emergency 6 Information on the discharge side installation 13 Installation NYCraulliC cc cccceeccceececeeeeaeeeeeeesaeeeeaees 8 Installation details cccccccssseccseseeessseesesseesseeeeeneees 22 N Negative press
6. is empty If the metering pump has to prime at a smaller stroke length and is not priming reduce the priming lift SEK type only The suction lift corresponds to the pri ming lift as some gas always remains in the liquid end with gaseous media Drain the liquid end amp Draining the liquid end on page 18 Fill the liquid end amp Filling the liquid end on page 18 Check the pump connectors and connections for leak tightness Check the suction valve and discharge valve for leak tightness and tighten if necessary Check the liquid end for leak tightness and tighten the screws on the dosing head if necessary see below for starting torque Only with bleed valve Check whether the bleed valve is closed 17 Start up Draining the liquid end Filling the liquid end 18 10 Start up the relief valve in the system Start up the system Set the precise dosage Setting the precise dosage on page 79 After 24 operating hours Tighten the screws on the dosing head see below for starting torque With feed chemicals that may not come into contact with water 1 2 3 Turn the pump downwards using the pressure connector Allow water to flow out of the liquid end Flush the suction connector from above with a suitable medium or blast with compressed air With liquid ends without bleed valves 1 Connect the suction line to the liquid end but not yet to the dis charge line Connec
7. page 15 eSa AN Si P_MAZ_0011_SW Fig 18 Fault description Cause Remedy The suction line can pull off The overflow line is routed back to the suction line which is Install as in secured with a foot valve or can be blocked Fig 13 The metering pump meters the The overflow line is routed back to the suction line whereby the Install as in feed chemical in a cycle multifunctional valve possibly no longer closes after being Fig 13 opened P_MAZ_0012_SW M 14 ProMinent Fig 19 Installation hydraulic 3 6 Special installation instructions With high suction side pressure 1 P_MAZ_0013_SW Fig 20 With high suction side pressure 2 P_MAZ_0014 SW Fig 21 With high suction side pressure 3 P_MAZ_0015_ SW Fig 22 With high suction side pressure 1 P_MAZ_0016_SW Fig 23 ProMinent Position the end of the discharge line higher than the fluid level in the storage tank to avoid overstraining Position the outlet of the discharge line higher than the fluid level in the storage tank to avoid overstraining Install an adjustable back pressure valve in the discharge line and install a shut off valve in the suction line which has to be closed when the pump is at a standstill preferably a solenoid valve u If the system is primed from lines with fluctuating pressure use a hopper with a float valve to ensure a regular discharge flow 15 Installation hydraulic With fluctuating
8. pk_1_001_1_hydr Fig 2 Example of an installation with different accessories 8 ProMinent System components Metering pump A Injection valve B Shut off valves C Pulsation dampener D Back pressure valve E Multifunctional valve F Relief valve Level switch G Foot valve H Manometer general pressure measuring device ProMinent Function Metering a defined volume in liquid into a system Control manual or automatic external signal Non return valve Vacuum breaker As a back pressure generator To split the pipe system into sections functional sections Smooths out pulsation in the pipe dis charge side generates a low pulsation flow Generates a defined back pressure configurable Generates a defined back pressure Prevents through suction Priming aid Relief device for the discharge line Opens up a relief line when a pressure limit value is set Opens up a relief line when a pressure limit value is set Signals the liquid level of the storage tank two stage design with pre warning or single stage Non return valve vacuum breaker With filter meshes as a coarse filter Displays the actual pressure for example at the pressure connector of the metering pump Installation hydraulic Use Perfect adaptation to metering tasks is possible thanks to the variably adjustable metering volume and external control options with closed pipe syste
9. suction side pressure 2 m If the system is primed from a high feed level with fluctuating pressure use a hopper with a float valve to ensure a regular discharge flow P_MAZ_0010_SW Fig 24 With negative pressure in the main line E When metering into a main line in which there is negative pressure install a multifunctional valve a back pressure valve DHV RM or an injection valve in the discharge line to ensure that the feed chemical is not sucked through P_MAZ_0010_SW Fig 25 With danger of deposits in the liquid end E When metering suspensions use flushing equipment see Product Catalogue Chapter 1 8 to prevent deposits in the liquid end 1 Rinsing water 2 Flushing equipment P_MAZ_0019 SW Fig 26 Manual flushing equipment There are two versions of flushing equipment E Manual flushing equipment T i Automatic flushing equipment There are two flushing principles E Flushing when metering is interrupted intermittent flushing E Flushing when metering is finished CAUTION Problems may arise if flushing cannot be performed cor rectly Ensure that the metering pump is idle during flushing Donot exceed the maximum permitted flushing pressure of 2 bar P_MAZ_0020_SW Fig 27 Automatic flushing equipment 16 ProMinent 4 Startup Starting up the metering pump ProMinent gt Io IN gt Start up WARNING Dangerous reactions are possible due to contact o
10. ProMinent General Operating Instructions ProMinent Solenoid Metering Pumps Ss S gamma L ProMinent Beta Two sets of operating instructions are required for the safe correct and proper operation of the metering pumps the product specific operating instructions for instance for beta and the General Operating Instructions for ProMinent Sole noid Metering Pumps Both sets of operating instructions are only valid when read together Please carefully read these operating instructions before use Do not discard The operator shall be liable for any damage caused by installation or operating errors Technical changes reserved Part no 987057 Original Operating Instructions 2006 42 EC BA MAZ 018 08 12 EN ProMinent Dosiertechnik GmbH Im Schuhmachergewann 5 11 69123 Heidelberg Germany Telephone 06221 842 0 Fax 06221 842 617 email info prominent com Internet www prominent com 987126 1 en_GB 2003 Supplementary information ey Fig 1 Please read User information State the identity code and serial number General non discriminatory approach ProMinent Supplemental instructions Read the following supplementary information in its entirety Should you already know this information you have an even greater need of the Oper ating Instructions The following are highlighted separately in the document Enumerated lists Instruction
11. allation Bends m Always use bends to curve lines never angles P_MAZ_0027_SW Fig 4 Length of suction line Maintain the suction line as short as possible P_MAZ_0057_SW Fig 5 Height difference suction side The height h see diagram may only be smaller than or equal to the suction lift of the pump P divided by the density rho of the feed chem ical h in m SP in mWS rho in g cm E The height h see diagram and the cross section of the suction line must be dimensioned in such a way that the negative pressure cre ated during the suction process cannot reach the vapour pressure of the feed chemical being metered cavitation P MAZ 002 SW That is displayed in extreme cases by the dropping of the fluid level or by an incomplete reciprocal stroke Fig 6 ProMinent 11 Installation hydraulic With dirt or impurities in the feed chemical P_MAZ_0003_SW Fig 7 With slightly gaseous feed chemicals hydrogen peroxide sodium calcium hypo chlorite P_MAZ_0004_SW Fig 8 Avoid allowing the suction line to run dry P_MAZ_002_SW Fig 9 Prime without connecting options at the tank base P_MAZ_0005_SW Fig 10 P_MAZ_0006_SW 12 fit a filter insert mesh width 100 400 um depending on the feed chemical and type of metering pump for example Always connect the suction line somewhat above the tank base or any sediment accumulated With feed chemic
12. als containing impurities or sediment suspend the foot valve at a sufficient distance above the tank base or any sediment that has accumulated see Fig 6 Preferably route the suction line with a falling rather than a rising gra dient to prevent the priming of air bubbles Install the pump with the feed on the suction side Install a foot valve at the end of the suction line in case the pump is higher than the maximum fluid level in the storage tank Only shorten the free end of the suction line until the foot valve is sus pended just above the container base With high storage tanks without a connecting option at the tank base prime using a siphon line Install a filling device Fig 10 or siphon vessel Fig 11 for the siphon line suction line ProMinent Fig 11 Installation hydraulic 3 4 Information on the discharge side installation With return from the main line a F P_MAZ_0008_SW Fig 12 Avoid exceeding maximum permissible operating pressure Im P_MAZ_0007_SW Fig 13 P_MOZ_0001_SW Fig 14 With pulsations caused by acceleration a inertial forces PD P_MOZ_0001_SW Fig 15 ProMinent PD Install a vacuum breaker if the feed chemical may not press through the metering pump A metering pump is not an absolutely leak tight shut off device Install the injection valve at the injection point to prevent unwanted mixing of water and feed chemical in the discharge line
13. ation damping with for example long discharge lines Dosing monitors for the monitoring of metering After a reasonable number of unac knowledged strokes the fault is displayed and the metering pump switched off Suction lances with foot valve and level switch for disposable containers or storage tanks Flushing equipment for flushing and cleaning dosing heads metering lines and injection valves AS a manual or automatic time controlled design Storage tank from 35 to 1000 content with lockable screw lid and requisite acces sories m Manual electric stirrers for mixing and batching metering solutions Brackets for stable installation of the pump 20 ProMinent 6 Warranty claim Please copy and return with the pump If the metering pump fails within the warranty period please return it to us in a cleaned state with a fully completed warranty claim v Please complete in full Warranty claim Warranty claim for pump De ee eee ee ee ee ee Administrator customer wm um m m vun eee UL Order no Pump type identity code verwen Brief description of fault urn Di LETTER ee RR ET TTTTTT ET TTTTETTETTTTTEETTETTTETEETTTEEETTTETTTETTTTTTTR CR OO EE OO EEE OREO OEE EEE HOE EEE EEE HERETO EEE OHHH HHP HORE EEE OOOO RHEE OEE OEE OO EEO OOOH OH EEE OH EEE HOHE HEHEHE EOE EHH ETH HEHEHE Eee eee ee eee ee eee ee eee eee eee ee eee eee eee ee eee ee eee ee eee ee eee ee
14. ed completely without bubbles ProMinent Setting the precise dosage ProMinent 2 Start up Switch off the metering pump gt The metering pump is ready for operation Stroke length and stroke rate Select as large a stroke length as possible with gaseous feed chemicals Select as high a stroke rate as possible for good mixing For precise metering using quantity proportional metering do not set the stroke length to less than 30 With SEK types not less than 50 Use the diagrams to adjust the capacity 1 In the product specific operating instructions Open at the page with the diagram of the pump type First determine the correction factor To do so highlight the oper ating pressure for the application in the Correction factor dependent on operating pressure diagram Go from the calculated value vertically upwards to the graph and then horizontally to the left and read off the correction factor Divide the required capacity by the calculated correction factor and highlight this figure on the C I h axis in the Capacity dependent on stroke length and stroke rate diagram Move from this point horizontally to the left and then move from the intersections with the straight lines for the adjustable stroke rates move vertically downwards to the Stroke length s axis Set one of the stroke rates obtained in this way and the associated stroke length on the metering pump The measurements
15. eee ee eee eee eee eee eee eee ee eee eee eee eee ee eee ee eee ee eee ee eee ee eee eee eee ee eee eee eee EEE Type of fault 1 Mechanical fault J Non typical wear and tear LJ Wear parts 0 Breakage Other damage LJ Corrosion L Damage during transport 3 Leakage O Connectors LY Dosing head Conditions of use OO N gt Electrical fault Connectors like plugs or cables loose Operating elements e g switch Control No or poor pumping Diaphragm defective Other Installation site Description of SYSUCM 1 VOPDERDEITEPLLPLPFLPPTOLTUPLTELTEITLELDETLERLLILLPRTDITEITLELTERLUELDELTOELDELTRTDELTERTOELLELTELLOELERLLELTELLOELDELLERLLELSELLELTERTOELLELLERDELTERLLELLERE Accessories used anerkennen eee eee eee eee eee EEE SEE IDEE TEE TEE EEE EEE EEE EEE EEE EHE eee eee EEE TIERE EEE TIERE eee eee IE EEE EU EHE EEE EHE LEE NIE EIER TEEN eee LEE EEE EEE EEE ee EEE IDEE LEE EDER LEE IE EEE EEE EEE EEE EEE eee eee eee eee TEEN EERE REO ERE EE EEO EERE EERE EEE TEETER ERAT EERE RHEE EMER EEE EERE E ERE EEE REED REE REE ERE EERE EERE ERATE RETR EERE EERE EERE TREE REE EEE EERE EOE EEE EOE Commissioning date IE Eee EEE EIER RT se sinha ne ss ausiecpe pie seneacma a A EEES peratinglime OEST oan anara iraa ete aap a cat ic nl ea nwa WB vai dR NR NLT NCSI USEING approx operating hours Please provide installation data and include a sketch of the system ProMinent P_MOZ_0002_SW 21 Installation details l
16. f feed chemical with water The feed chemical can mix and react in the liquid end with water remaining after testing in the factory Read the safety data sheet on the feed chemical Blast the liquid end with compressed air Flush the liquid end with a suitable medium through the suction connector CAUTION Danger with dangerous feed chemicals Provided the following handling instructions are followed contact with the feed chemical is possible If the feed chemical is dangerous take appropriate safety precautions when carrying out the following han dling instructions Observe the feed chemical safety data sheet CAUTION Warning of feed chemical spraying around An unsuitable feed chemical can damage the parts of the pump contacted by the chemical Take into account the resistance of the material con tacted by the chemical when selecting the feed chemical refer to the ProMinent resistance list in the product equipment catalogue or at www prominent com Reliable metering cannot be guaranteed after the metering pump has been idle for a long time as the feed chemical can crystallise in the valves and on the dia phragm Check the valves and diaphragm regularly see product specific operating instructions Only adjust the stroke length when the pump is running The metering pump should prime at 100 stroke length as the priming lift depends on the stroke volume when the liquid end
17. ms to prevent backflow and mixing with the discharge line for use with pipe systems with a free outlet to generate a defined back pres sure for maintenance renovation or repair work to shut down parts of the system for use with long pipes to minimise pres sure loss to generate continuous flow metering to avoid disruptive pipe vibrations for use with pipe systems with a free outlet to guarantee the correct operation of the metering pump when using a pulsation dampener for use with pipe systems with a free outlet to guarantee the correct operation of the metering pump with a positive pressure difference between the suction line and discharge line when operating the pump against pres sure g for repairs as a safety device to protect the metering system from overloading by the metering pump as a safety device to protect the metering system from overloading by the metering pump for the correct operation of the system to display a pending change of tank or fill the storage tank to protect the metering system from sucking dry to protect the suction line from running dry e g when changing tanks to protect the metering pump from coarse particles of solids to determine the actual operating pres sure in the discharge line crucial to adjust the back pressure valve or relief valve Installation hyd
18. raulic System components Vacuum cylinder Filter Solenoid valve Function Smooths out pulsation in the pipe suc tion side generates a low pulsation flow Priming aid Filters coarse particles of solids from the suction flow Automatic shut off valve Control for example electrically locked by the metering pump s mains power supply Use to reduce pressure losses with longer suction lines aS a priming aid together with a vacuum pump to protect metering pump and system from dirt and increased wear and tear aS a Safety device for shutting off tightly sealing the discharge line when the system is idle CAUTION The system components in the table labelled with a are not absolutely leak tight shut off elements For this purpose use a shut off valve C or a solenoid valve 3 2 Standard installation 10 Fig 3 Standard installation 1 Main line 2 Storage tank amp P_MAZ_0001_SW ProMinent Installation hydraulic Legend for all hydraulic diagrams Icon Explanation Icon Explanation O Metering pump 9 Foot valve with filter gt meshes E Injection valve oo Filter insert Settable back pressure Kel Hopper with float valve valve also used as a relief valve Multifunctional valve Level switch Shut off valve Manometer Ball retaining valve Siphon device clu hg Solenoid valve V Filling device 3 3 Information on the suction side inst
19. s gt Outcome of the instructions Information This provides important information relating to the correct operation of the device or is intended to make your work easier Safety information Safety information is identified by pictograms see Safety Chapter Two sets of operating instructions are required for the safe correct and proper operation of the metering pumps The product specific operating instructions and the General Operating Instructions for ProMinent Sole noid Metering Pumps Both sets of operating instructions are only valid when read together Please read these operating instructions carefully before use Do not dis card Please state identity code and serial number which you can find on the nameplate when you contact us or order spare parts This enables the device type and material versions to be clearly identified In order to make it easier to read this document uses the male form in grammatical structures but with an implied neutral sense It is aimed equally at both men and women We kindly ask female readers for their understanding in this simplification of the text Table of contents Table of contents O ON OO fF Saey CHIPE ee ee ee 5 ASSEMDIV Ss Be net er 7 Installation hydfaulie u ss nee ee 8 3 1 Overview and Information on ACCESSOTIES ccceceseeeeeeees 8 3 2 Standard installation 10 3 3 Information on the suction side installation
20. sseeneens litr U Pressure vessel nennen litr ProMinent 8 Decontamination declaration Decontamination declaration Declaration of Decontamination see download www prominent com Because of legal regulations and for the safety of our employees and operation equipment we need the declara tion of decontamination with your signature before your order can be handled Please make absolutely sure to include it with the shipping documents or even better attach it to the outside of the packaging Please return your products to Type of instrument sensor Serial number Geratetyp Seriennummer Process data Temperature C Pressure bar Prozessdaten Temperatur Druck Mediums and warnings Warnhinweise zum Medium ce Medium identi flammable toxic corrosive harmful other harmless Concentration fication irritant Medium CAS No entz nd giftig tzend gesundheits sonstiges unbedenklich Konzentration lich sch dlich reizend Process medium Medium im Prozess Medium for process cleaning Medium zur Prozessreinigung Returned part cleaned with Medium zur Endreinigung explosive oxidising dangerous for the environment biological risk radioactive explosiv brandf rdernd umweltgef hrlich biogef hrlich radioaktiv Please tick should one of the above be applicable include security sheet and if necessary special handling instructions Reason for return Company
21. t a short transparent section of tubing to the discharge valve Switch on the metering pump and allow to work at maximum stroke length and stroke rate until some feed chemical becomes visible in the short section of tubing gt The liquid end has been filled completely without bubbles Switch off the metering pump Connect the discharge line to the liquid end gt The metering pump is ready for operation With liquid ends with bleed valves not SEK 1 2 3 Connect the suction and discharge line to the liquid end Connect the return line Open the bleed valve by turning the star shaped handle in a counter clockwise direction gt You can now bleed the pump using the return line Switch on the metering pump and allow to work at maximum stroke length and stroke rate until some feed chemical becomes visible in the return or discharge line gt The liquid end has been filled completely without bubbles Switch off the metering pump gt The metering pump is ready for operation With self bleeding metering pumps SEK type The return line is connected to the vertical valve on the top of the liquid end It is labelled with a red sleeve from factory The discharge line is connected to the horizontal valve Switch on the metering pump and allow to work at maximum stroke length and stroke rate until some feed chemical becomes visible in the return or discharge line gt The liquid end has been fill
22. to calculate the capacity for the corre en sponding diagrams were performed with water The correc tion factor was determined at a stroke length of 70 Spread ofpump capacities across all material versions 5 to 15 19 Accessories 5 Accessories CAUTION Danger of personal and material damage The use of untested third party parts can result in damage to personnel and material damage Only fit parts to dosing pumps which have been tested and recommended by ProMinent Level switch 2 stage with 2 m connecting cable Fault indicating relay for reporting faults Fault indicating and pacing relay option for reporting faults and pacing other devices E Signal cable Universal signal cable 5 wire 2 m 5m and 10 m External contact cable 2 wire 2 m 5m and 10 m Foot valves with suction filter and ball check for connection at the end of the suc tion line Injection valves with spring loaded ball check for metering in open and closed systems and for fixing the discharge line Injection lances for metering in large pipe cross sections and for preventing blockages with crystallising feed chemicals Multifunctional valves for fitting directly on the pump s dosing head with the functions back pressure valve relief valve priming aid discharge line relief Back pressure valves for precise metering with low operating pressure or as overflow safety valve Accumulators for puls
23. trate into the drive housing an electric shock may occur Position the pump so that drive housing cannot be flooded CAUTION Danger from incorrectly operated or inadequately maintained pumps Danger can arise from a poorly accessible pump due to incorrect operation and poor maintenance Ensure that the pump is accessible at all times Adhere to the maintenance intervals Capacity too low The liquid end valves can be disrupted by vibrations Secure the metering pump so that no vibrations can OCCUF Capacity too low f the valves of the liquid end do not stand vertically upwards they cannot close correctly Suction and discharge valves must stand vertically upwards for self bleeding liquid end the bleed valve Mount the metering pump with the pump foot on a horizontal level and load bearing supporting surface Installation hydraulic 3 Installation hydraulic 3 1 Overview and Information on Accessories In addition to a correctly selected metering pump individually combined hydraulic and electrical accessories are needed for the perfect operation of metering systems A number of accessories are shown on the following pages which are not always needed but provide an overview of the pos sible options We would be happy to assist with the selection of the right accessories for your metering tasks and are also available for ongoing advice for instance on pipe calculations ae EB ein
24. ure in the main line u en 16 O Overview and Information on Accessories 8 S Special installation instructions 0 15 Standard installation ccccccccsssseeeessseeeeeaseeeeeesaeeeees 10 Suction side pressure fluctuating cccccceeeeeeeeeeees 15 VIMO Sezetcszay cedcatesexed cetteta sect cedeesese ad oxtaeseneecenne coe 11 System componentis u02222020000000nnn nennen ennnnnnne nennen 9 W Warning SIOM nee ei a 5 YYarranly clala ehe 21 NWO Ge ee een 14 ProMinent
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