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Operating Instructions

for

Oval Wheel Flowmeter

High pressure

Model:

DON-H...

Содержание DON-05

Страница 1: ...Operating Instructions for Oval Wheel Flowmeter High pressure Model DON H...

Страница 2: ...with Pulse meter 17 9 2 Demounting of the electronics mounted on a DON with Zx and 1A 5A options 19 9 3 Spare Parts 19 9 4 Inspection refer Exploded View 19 9 5 Re assembly of DON H 19 10 Technical Da...

Страница 3: ...oup 1 dangerous fluids Diagram 9 Group 2 no dangerous fluids DON 05 400 4 Abs 3 4 Abs 3 DON 10 400 DON 15 400 DON 20 400 3 Instrument Inspection Instruments are inspected before shipping and sent out...

Страница 4: ...onsibility of the manufacturer The user assumes all risk for such usage 5 Operating Principle Oval gear flowmeters are categorized as positive displacement flow technology When liquid flows through th...

Страница 5: ...ow range Viscous liquids may limit the maximum allowable flow based on the viscosity The max allowable flow rate may need to be limited to ensure the differential pressure across the flowmeter does no...

Страница 6: ...ay orientation to best suit the installation The DON flowmeter accommodates both horizontal and vertical flows It is recommended that for vertical flow installations that the liquid flow up through th...

Страница 7: ...m and serviced as needed System purging is also possible with a by pass arrangement Accommodate all meter ratings and locate the meter on the discharge side of the process pump For outdoor application...

Страница 8: ...2 Electrical connection for integrated electronics options The electrical connection of the integrated electronics options always requires the electronics cover to be dismantled High pressure models...

Страница 9: ...DON H DON H 01 0721 page 9 Note The electronic option H0 is available with reed switch output...

Страница 10: ...nt load 20 V 10 mA 5x106 switching cycles Min load 5 V 10 mA 5x108 switching cycles Switching capacity Max 30 VDC max 20 mA The individually specified maximum electrical values of the reed switch must...

Страница 11: ...ions are pre configured ex works in connection with the sensor boards Reconfiguration is available on request 7 3 1 For Z1 Z2 Z3 Z5 electronic options reed switch and Hall sensor a Wiring diagram with...

Страница 12: ...e Within this certificate a calibration factor is provided The calibration factor is a specific representation of pulses per unit volume i e pulses per liter for that specific meter Measurement device...

Страница 13: ...DON H DON H 01 0721 page 13 7 4 External wiring with electronic unit ZOK Zx 7 4 1 Wiring with ZOK ZxK a Circuit with Hall sensor not for battery operation b Circuit with Reed switch...

Страница 14: ...DON H page 14 DON H 01 0721 7 4 2 Wiring with ZOK ZxP a Circuit with Hall sensor b Circuit with Reed switch...

Страница 15: ...activity or after a flushing air may be in the piping Elimination of the air may be achieved by operating the meter at a low flow rate until all the air is eliminated Damage may occur to the flowmeter...

Страница 16: ...n de energized or removed from the circuit Oval gear positive displacement flowmeters are mechanical by nature A periodic maintenance inspection schedule is suggested for an extended service life Foll...

Страница 17: ...r body screws 5 With care remove the upper meter body assembly 4 being careful not to damage or misplace the O ring 3 You can then remove the oval gears 2 For the small flowmeters 4 mm 6 mm when disas...

Страница 18: ...20 refer exploded view For access to the oval gears remove the 8 or 10 upper meter body screws 5 With care remove the upper meter body assembly 4 being careful not to damage or misplace the O ring 3 Y...

Страница 19: ...ousing to the oval gearbox housing should be loosened 9 3 Spare Parts Please consult your closest KOBOLD Office Internet www koboldusa com 9 4 Inspection refer Exploded View Inspection points will be...

Страница 20: ...y Check the correct fit and the friction between the axle and the bearings by slowly rotating the oval gears by hand Thereafter the O ring 3 is inserted into the groove of the measuring housing 1 and...

Страница 21: ...allation as the rotors will not completely rotate freely unless installed precisely 90 from each other Proper placement of the O ring within the groove is necessary for leak free operation After place...

Страница 22: ...DON H page 22 DON H 01 0721 DON H20 Tightening torques of the screws used Thread Quality Material Tightening torques M5 80 A4 6 Nm M6 80 A4 10 Nm M6 12 9 Steel 20 Nm M10 70 A2 40 Nm Optional...

Страница 23: ...H05 H10 PEEK DON H15 H20 stainless steel 1 4404 Accuracy under reference conditions 1 of reading DON H05 DON H15 0 5 of reading DON H20 0 2 of reading DON H20 with optional Z3 electronics based on li...

Страница 24: ...uctions supplement ZOK Ex Maximum Pressure threaded version DON H05 20 400 bar Max Flowrate Multiplier for higher viscosities Viscosities cP Standard rotor Special cut rotor 1000 1 1 2000 0 5 1 4000 0...

Страница 25: ...0 5 36 L h 2670 2670 DON H06 2 36 L h 2670 2670 DON H10 2 100 L h 1054 1054 DON H15 15 550 L h 355 710 DON H20 1 40 82 163 The values in above table are only approximate guidelines The actual value f...

Страница 26: ...curves above represent the pressure drop for standard cut oval rotors Special cut rotors option Y have alternate tooth relieve which effectively reduces the pressure drop by 50 When sizing a meter be...

Страница 27: ...5 G instead of 15H 3 Only for electronic options Zx 4 E1 E2 E3 E5 Z1 Z2 Z3 Z5 in ATEX version Exi without backlighting Measuring Range Stainless Steel Housing2 Connection O Ring Material Electronics C...

Страница 28: ...DON H page 28 DON H 01 0721 13 Dimensions mm Electronic Options Zx 1A 5A Option M N standard Option S T with cooling fin...

Страница 29: ...st etc Step 3 Guarantee flow rate Flow stopping or a flow rate declining below the usual limit may be attributable to a blocked screen flowmeter rotors which are stuck or damaged a defective pump clos...

Страница 30: ...chamber 3 Disruption of the output signal 1 Ground shielding of the signal cable 2 Re lay the cable away from sources of high current 3 Check all electrical connections and wires for the presence of c...

Страница 31: ...ve the information in these operating instructions as well as the conditions of use and permissible data that appear on the imprints nameplates of the respective products d It must be ensured that onl...

Страница 32: ...eter must not be heated in Zone 1 above 80 of their ignition temperature without taking special measures f Charging of the medium is not permitted measures by the operator are necessary 15 1 3 Tempera...

Страница 33: ...ot need to be opened or the equipment needs to be de energized Detailed inspection An inspection in which in addition to the aspects of close up inspection defects such as loose connections which can...

Страница 34: ...of protection constructional safety c control of ignition source b liquid immersion k 15 2 1 General information on explosion protection The electrical connection is made via a plug in a separate indu...

Страница 35: ...arameters of the electronic option HA when used in Zone 1 2 Electrical data Pi 1 W max 80 C ambient temperature Electronics option Use in zone Ui Ii Ci Hall sensor HA 1 UiIIB 32 VDC 100 mA 270 nF 2 Re...

Страница 36: ...Ii 100 mA Pi 1 W Ci negligible Li negligible GND Flowmeter DON HA ExGuide 19 ATEX 0007 II 3G Ex ic IIC T4 T3 Gc Uo max 28 Vdc Io max 100 mA Po max 700 mW zener barrier Supply P F Z728 PA 20 C Ta 80 G...

Страница 37: ...output Load 5mA Ui 32 Vdc Ii 100 mA Pi 1 W Ci 270 nF Uo max 28 Vdc Io max 100 mA Po max 700 mW P F Z787 20 C Ta 80 Uo 28 Vdc Io 93 mA Po 650 mW BAS 01 ATEX 7005 II 1 GD Ex ia Ga IIC C 650 nF L 16 4 mH...

Страница 38: ...and shutdown g Thermal radiation from third party products components must be taken into account h The flow meter must be protected against inadmissible ingress of liquids and or contamination i Stuc...

Страница 39: ...tions must be observed incomplete a Installation and maintenance may only be carried out in an explosion free atmosphere and in compliance with the regulations applicable in the operator s country b A...

Страница 40: ...DON H page 40 DON H 01 0721 15 2 6 Identification of the flow meter nameplate Basic device label DON H example Device label for Ex version intrinsically safe option HA example...

Страница 41: ...in conformance with 2014 30 EU EMC Directive 2014 34 EU ATEX Directive Notified body BVS 0158 DEKRA EXAM Bochum EN 61326 1 2013 Electrical equipment for measurement control and laboratory use EMC requ...

Страница 42: ...e following European and national standards and technical regulations Technical rules for hazardous substances TRGS 727 2016 avoidance of ignition hazards due to electrostatic charges Hofheim 30 July...

Страница 43: ...DON H DON H 01 0721 page 43 17 Statement of Conformity...

Страница 44: ...DON H page 44 DON H 01 0721...

Страница 45: ...DON H DON H 01 0721 page 45...

Страница 46: ...DON H page 46 DON H 01 0721...

Страница 47: ...DON H DON H 01 0721 page 47...

Страница 48: ...DON H page 48 DON H 01 0721 18 State of safeness...

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