Assembly and operating Instructions Bypass Flow Meter DST
Contents
1. 9609 22 Internet www kt web de e mail info kt web de Version 1 32. Please help to protect our environment and dispose of workpieces in conformity with current regulations or use them for some other purpose A Kirchner amp Tochter GmbH Dieselstra e 17 D 47228 Duisburg Fon 49 2065 9609 0 Fax 49 2065 9609 22 Internet www kt web de e mail info kt web de Version 1 3 why 10 Technical data Versions Version DST PVC DST PP DST PVDF DST 1 2 DST VAA Ring PVC PRC PVDF Steel grade 1 4571 steel Orifice plate PVC PP TPVDF 1 4301 steel 1 4571 steel Valves PVC Polysulphone PVDF Brass nickeplated 1 4571 steel can be supplied without valves Bypass PVG PR TPVDF Steel galvanized 1 4571 steel Indicator 1 DHA 77 PSU RA 77 PSU PSU RA 87 RA 65 RA 87 Meas glass Borosilicate glass Borosilicate glass Borosilicate glass Borosilicate glass Borosilicate glass pe Pompe et pomp Jee nn Float Gaskets EPDM opt Viton EPDM opt Viton Viton optionally Max temp 20 C at 10 bar 20 C at 10 bar 20 C at 10 bar 20 C at 10 bar 20 C at 10 bar pressure 40 C at 6 bar 70 C at 2 5 bar 80 C at 5 bar Special version Special version 80 C at 1 5 bar 100 C at 4 bar 80 C at 5 bar 80 C at 5 bar Measuring ranges DST DST MSK 1 DST MSK 12 H O m h in hPa air m h at STP in hPa 3 5 25 300 35 200 38 4 30 350 35 200 38 4 5 40 550 49 300 38 7 60 550 78 535 55 13 100 350 150 1010 50 25 200 430 280 1750 60 40 300 350 470 2850 60 55 380 500 640 3850 53 90 650 50
3. thickness plus 2 x the thickness of the gaskets you intend using The unimpeded straight pipe inlet outlet runs A should be 4 6 x DN upstream and downstream of the installation point The direction of flow through the variable area flow meter must be from bottom to top On water service the indicator is installed in suspended arrangement and on air service in standing arrangement to avoid accumulation of air and condensation of water To avoid errors the orifice plate ring is marked with an arrow pointing in the direction of flow the arrow is punched into metal rings and stuck on to plastic rings A Kirchner amp Tochter GmbH Dieselstra e 17 D 47228 Duisburg Fon 49 2065 9609 0 Fax 49 2065 9609 22 Internet www kt web de e mail info kt web de Version 1 3 Bypass Flow Meter 6 pn 4 3 Installation of the bypass flow meter DST Before installing the device drain the pipes Observe the maximum pressure and maximum temperature levels The direction of flow must be the same as the direction indicated by the arrow on the orifice plate ring ofthe device Use gaskets made of rubber or SIL for plastic devices use only gaskets made of rubber with a Shore hardness A of approx 65 The gaskets should not project into the pipe and the measuring device must be fitted in line with the pipe axis as otherwise measurement results would be falsified For orifice plate rings made of PVC PP and PVDF tighten screw connections o
4. 0 1125 6000 69 150 680 270 1200 6000 70 170 665 360 1200 6000 70 300 1800 280 Refer to relevant Data Sheet In each case the minimum and the maximum measuring range are specified Please ask for our detailed DST DN and measuring ranges Table Measuring ranges for other process media and operating conditions available on request A Kirchner amp Tochter GmbH Dieselstra e 17 D 47228 Duisburg Fon 49 2065 9609 0 Fax 49 2065 9609 22 Internet www kt web de e mail info kt web de Version 1 3 Bypass Flow Meter o 10 Dimensions A m da DN C 86 Lay A hm N G e H 1 I A Is un N I DN 138 ao Top es so 100 125 150 200 250 300 400 7 IB DST PVC 500 mm DST PP 528 mm DST PVDF 555 mm DST 1 2 543 mm optionally special overall lengths possible A Kirchner amp Tochter GmbH Dieselstra e 17 D 47228 Duisburg Fon 49 2065 9609 0 Fax 49 2065 9609 22 Internet www kt web de e mail info kt web de Version 1 3 FEN Bypass Flow Meter why 11 Technical data of limit switches Voltage switched SOVAC 75VDC SOVAC 75VDC Current switched 0 5A 0 5A Contact rating 10W
5. An Bypass Flow Meter el Assembly and operating Instructions Bypass Flow Meter DST Kirchner und Tochter A Kirchner amp Tochter GmbH Dieselstra e 17 D 47228 Duisburg Fon 49 2065 9609 0 Fax 49 2065 9609 22 Internet www kt web de e mail info kt web de Version 1 3 Bypass Flow Meter 2 wy Contents SCT Bymbolandmeanind an anee a ee 2 2 General safety directions and exemption from liability eeesenenenen 2 3 ere ee ee ee 2 4 Safety information for Operator and operating Dereonmnel cesses 2 0 Special safety information concerning glass Odevces 2 6 Regulations and guidelines nennen 2 7 Information in compliance with the hazardous materials drective 3 Handling and Die Ile CN e ET GE e e Accs ec sree t cece ata T E E meniateoeE 4 1 PRE ASSEMDDY on eesesseessesseessessessseesescsccnecsnecsesssecscsssecsessscescsusssncsucssuesuesssecsesaseeaesnsesassueeaceacsasesnesaceasecaeease 42 TPP a ee arate esac teat seta ee ea 4 3 Installation of the bypass flow meter DST en De airing DST DST with CONtaCHS anne SEHR Readings in operaton EEN EEN E KE Connection of limit E Setting the limit SWITCHES ana D Maintenance of the flow meter EEN EEN AL EE a E en aA a El DIE BOB EE IC ee E Ve Technical data of limit ewtches EEN EEN 11 NOUI A Kirchner amp Tochter GmbH Dieselstra e 17 D 47228 Duisburg Fon 49 2065 9609 0 Fax 49 2065 9609 22 Internet www kt web de e m
6. VA 10W VA Dielectric strength 230VAC 400VDC 230VAC 400VDC Temperature range 20 bis 90 C 20 bis 90 C Switching function normally closed contact normally open contact Connection Design MSKW Voltage switched 50VAC 75VDC Current switched 0 5A Contact rating 5W VA Dielectric strength 110VAC 200VDC Temperature range 20 bis 90 C Switching function change over contact Connection 1 BN lt gt N WH PE 4 BK 1 The deciding factor is the thermal endurance of the flow meter Connection via right angle plug M12x1 A Kirchner amp Tochter GmbH Dieselstra e 17 D 47228 Duisburg Fon 49 2065 9609 0 Fax 49 2065 9609 22 Internet www kt web de e mail info kt web de Version 1 3 P Bypass Flow Meter wr The equipment from Kirchner und Tochter has been tested in compliance with applicable CE regulations of the European Community The respective declaration of conformity is available on request Technical data supplied without liability The current valid version of our documents can be found under this URL www kt web de The Kirchner und Tochter QM System is certified in accordance with DIN EN ISO 9001 2008 The quality is systematically adapted to the continuously increasing demands Kirchner und Tochter A Kirchner amp Tochter GmbH DieselstraBe 17 D 47228 Duisburg Fon 49 2065 9609 0 Fax 49 2065
7. ail info kt web de Version 1 3 FEN Bypass Flow Meter why 1 Foreword These Installation and Operating Instructions apply to series DST bypass flow meters Please follow and observe all instructions and information for installation operation inspection and maintenance The Instructions form a component part of the device and should be kept in an appropriate place accessible to personnel in the vicinity of the location Where various plant components are operated together the operating instructions pertaining to the other devices should also be observed 2 Safety 2 1 Symbol and meaning A Safety notice This symbol is placed against all directions information relating to occupational health and safety in these Installation and Operating Instructions and draws attention to potential danger to life and limb Such notices must be strictly observed 2 2 General safety directions and exemption from liability This document contains basic directions for the installation operation inspection and maintenance of the bypass flow meter Non observance of these directions can lead to hazardous situations for man and beast and also to damage to property for which Kirchner und Tochter disclaims all liability The operator is required to rule out potentially hazardous situations through voltage and released media energy 2 3 Intended use The DST bypass flow meters are designed and intended for measuring the flow of compressible and i
8. he hazardous materials directive In accordance with German legislation concerning waste disposal critical waste and the hazardous materials directive general duty to protect we would point out that all flow meters returned to Kirchner und Tochter for repair are required to be free from any and all hazardous substances alkaline solutions acids solvents etc A Make sure that devices are thoroughly flushed out to neutralize hazardous substances 3 Handling and storage Always use the original packing for transport handling and storage Protect the device against rough handling impact jolts etc A Kirchner amp Tochter GmbH Dieselstra e 17 D 47228 Duisburg Fon 49 2065 9609 0 Fax 49 2065 9609 22 Internet www kt web de e mail info kt web de Version 1 3 EN Bypass Flow Meter why 4 Installation 4 1 Pre assembly Make sure that the nameplate on the metering orifice has the same number as that on the bypass flow indicator 1 Place the O rings in the O ring groove 2 As the next step scrw the bypass flow indicator to the DST ring DST ring Bypass flow indicator 3 Finally align the DST ring with the bypass flow indicator so that both arrows point in the same direction of flow of the device 4 2 Preparatory work Make preparations for inter flange mounting by having ready the flanges and assembly materials Provide for a distance between the mounting flanges that is equivalent to the ring
9. ncompressible fluids They may only be installed in the pipeline between flanges Select the DST device model on the basis of the nominal diameter and nominal pressure at the site and also the kind of medium concerned limit values are specified in the Section Technical Data and should not be exceeded 2 4 Safety information for Operator and operating personnel Authorized installation operating inspection and maintenance personnel should be suitably qualified for the jobs assigned to them and should receive appropriate training and instruction A Kirchner amp Tochter GmbH Dieselstra e 17 D 47228 Duisburg Fon 49 2065 9609 0 Fax 49 2065 9609 22 Internet www kt web de e mail info kt web de Version 1 3 Bypass Flow Meter E wy 2 5 Special safety information concerning glass devices For safety reasons we recommend fitting a protective shield in front of the measuring A tube when operating flow meters with glass measuring tubes The devices should not be operated where there is risk of pressure surges 2 6 Regulations and guidelines In addition to the directions given in these Installation and Operating Instructions observe the regulations guidelines and standards such as DIN EN and for specific applications the codes of practice issued by DVGW gas and water and VdS underwriters or the equivalent national codes and applicable national accident prevention regulations 2 7 Information in compliance with t
10. nly with a maximum torque of 75 Nm the device ring could break otherwise Mount the orifice plate ring for the device between the flanges at the point of installation De airing DST DST with contacts 5 The devices must be completely de aired at the maximum possible volume rate of flow in the main pipe open and then close the ball cock in the bypass behind the outlet of the VA flow meter Slacken the 1 Ye union nut on the square head of the bypass line making sure that both O rings remain securely in the head until water flows and the air escapes If possible operate the flow meter at full power or more Should this not prove to be possible continue the procedure for some time until it is quite certain that all air has been evacuated Start up The device must be properly installed before it is started up 6 e Pressurize the measuring line Avoid pressure surges e Check the leak tightness of the inter flange connection and if necessary tighten down the screw connection e With varying volume rates of flow starting at maximum value test the local indicator on the device Readings in operation The flow value is read off from the scale on the glass cone against the top edge of the float Readings are only correct when flowing conditions at the measuring point flowing medium operating pressure and temperature correspond to the values marked on the measuring glass If conditions should differ the device will need t
11. o be recalibrated by Kirchner und Tochter A Kirchner amp Tochter GmbH Dieselstra e 17 D 47228 Duisburg Fon 49 2065 9609 0 Fax 49 2065 9609 22 Internet www kt web de e mail info kt web de Version 1 3 FEN Bypass Flow Meter why 7 Limit switches MSK 1 MSK 12 The flow meter can be equipped with a limit switch to provide the local indicator with a monitoring function This consists of a limit contact that is operated by a magnet integrated in the float The switch is guided in a guiding slot on the rear side of the protective casing and can be adjusted over the full measuring range The switching performance is bistable Uncontrolled current and voltage peaks can occur in the case of inductive or capacitive loads e g from contactors or solenoid valves Such peaks will also occur depending on cable geometry where cables exceed a certain length We therefore recommend using an MSR contact protection relay which is additionally available This will increase the contact rating and prevent occurrence of inductive and capacitive peaks thus ensuring a long contact service life Connection of limit switches e Electrical connection of the device should be carried out in conformity with the relevant A VDE regulations or equivalent national standards and in accordance with the regulations issued by the local power supply utility Before connecting the limit switch ensure that the plant is disconnected from supply Provide a protecti
12. ve circuit for the switches in keeping with their rating Connect appropriate line side fuse elements based on consumption Connect the cable to the supplied right angle plug Assigned are terminals 1 and 2 Earth and terminal 3 are not assigned The circuit diagram for the limit switches is shown in the Technical Data Section 10 on page 11 Setting the limit switches e Detach the lock nut M8 located on the neck of the switch e Slide the switch to the flow value required to be monitored e Please make sure the contact never touches the measuring glass and the clearance between contact and glass is always approx 1mm This clearance can be obtained by turning the contact in the sliding block e Test the switching performance by moving the float beyond the switching position e Fasten the lock nut finger tight Maximum fastening torque is 2 Nm 8 Maintenance of the flow meter The device is maintenance free A Kirchner amp Tochter GmbH Dieselstra e 17 D 47228 Duisburg Fon 49 2065 9609 0 Fax 49 2065 9609 22 Internet www kt web de e mail info kt web de Version 1 3 Bypass Flow Meter E wy 9 Service All devices with defects or deficiencies should be sent direct to our repair department To enable our customer service facility to deal with complaints and repairs as quickly as possible you are kindly requested to coordinate the return of devices with our sales department Tel 49 0 2065 96090 9 1 Disposal
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