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Kobold DON-130GA8, Operating Instructions Manual

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Kobold DON-130GA8 Operating Instructions Manual Download Page 25

DON

DON 01/1019

 

page 25 

9.1.4 

Removal of oval gears for DON-x25…DON-x40 (refer exploded 

view) 

For access to the oval gears, remove the 8 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). You can then remove the oval gears (2). 

2

2

3

4

5

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Optional 

Summary of Contents for DON-130GA8

Page 1: ...Operating Instructions for Oval Gear Flow Meter Model DON Lx Hx Rx Dx Gx Kx Bx Zx M4...

Page 2: ...ssembly of DON with Pulse meter 23 9 2 Demounting of the electronics mounted on a DON with Zx and Ex options 30 9 3 Spare Parts 30 9 4 Inspection refer Exploded View 30 9 5 Re assembly of DON 30 10 Te...

Page 3: ...odel DON DN Pmax bar diagram 8 group 1 dangerous liquids diagram 9 group 2 no dangerous liquids DON 105 64 art 4 par 3 art 4 par 3 DON 110 64 DON 115 64 DON 120 64 DON 125 25 64 DON 130 40 40 DON 135...

Page 4: ...category II DON 45 3 16 category II DON 50 3 16 category II DON 55 4 16 category II DON 60 4 16 category II DON 2 8 Stainless steel with mechanical totalizer Option M4 Model DON 2 8 DN Pmax bar diagra...

Page 5: ...are suitable for fuels fuel oils lubricating liquids It is important to ensure that the medium to be measured is compatible with the materials used in the instrument See section 10 Technical Data It...

Page 6: ...via a remote display controller or PLC or via a variety of output display options available as accessories attached to the flowmeters The positive displacement flow technology allows for precise flow...

Page 7: ...t the operational pressure and temperature limits are within capability of the fully specified meter Verify that the operational flow rates are within the specified flow range Viscous liquids may limi...

Page 8: ...it 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 the meter i e bottom to top...

Page 9: ...from the system 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 outd...

Page 10: ...Reed contact R0 option and without ATEX labelling For this purpose intrinsically safe cabling must be laid between the instrument the hazardous area and an approved isolation switching unit outside t...

Page 11: ...electronics options combine a hall effect sensor with an active push pull output stage The B0 BE options involve combining bipolar Hall sensors with alternating polarised magnets This option is partic...

Page 12: ...ons If the intention is to operate the dry reed contact impulse output in ATEX areas as simple apparatus only the R0 option may be used Note when using the reed switch output the liquid temperature mu...

Page 13: ...fe or even destroy the contact For capacitive and inductive loads e g via long lines we recommend the following protective circuits Lamp load with series or parallel Protection with a RC suppressor re...

Page 14: ...is best suited for verified use with a redundant signal or for counting bidirectional currents detecting the current direction Max output current per channel power source or sink 100 mA short circuit...

Page 15: ...ptions Ex Zx The Ex Zx electronic options are pre configured ex works in connection with the sensor boards Reconfiguration is available on request 7 4 1 For Z1 Z3 electronic options reed switch and Ha...

Page 16: ...sensor recommended in connection with external supply 7 4 2 For Z6 Z7 electronics options bipolar Hall sensor The circuitry corresponds to 7 4 1 b 7 4 3 For E1 E5 electronics options Refer operating i...

Page 17: ...DON DON 01 1019 page 17 7 4 4 For Z2 Z8 Z9 electronics options 2 Hall sensors for direction detection...

Page 18: ...y is correct All DON devices with L0 LE options are factory calibrated to the respective measurement range end value This setting should only be modified by the manufacturer 7 4 6 Calibration Factor s...

Page 19: ...DON DON 01 1019 page 19 7 5 External wiring with electronic unit ZOK Zx 7 5 1 Wiring with ZOK ZxK a Circuit with Hall sensor not for battery operation b Circuit with Reed switch...

Page 20: ...DON page 20 DON 01 1019 7 5 2 Wiring with ZOK ZxP a Circuit with Hall sensor b Circuit with Reed switch...

Page 21: ...purged of air During long periods of inactivity 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 elim...

Page 22: ...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 Follow...

Page 23: ...s 5 With care remove the upper meter body assembly 4 being careful not to damage or misplace the O ring 3 or changing the positioning of the oval wheels 2 and or damaging them For DON models DON x05 t...

Page 24: ...s for DON x20 refer exploded view For access to the oval gears remove the 6 upper meter body screws 5 With care remove the upper meter body assembly 4 being careful not to damage or misplace the O rin...

Page 25: ...0 refer exploded view For access to the oval gears remove the 8 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 You can...

Page 26: ...ars for DON x45 DON x60 refer exploded view For access to the oval gears remove the 8 upper body screws 5 With care remove the upper body assembly 4 being careful not to damage or misplace the O ring...

Page 27: ...ove lower housing section 5 Remove seal 4 washer 3 and seal 2 When assembling it is important to ensure the oval gear of 3 is correctly positioned relative to the counting mechanism 8 When mounting th...

Page 28: ...DON page 28 DON 01 1019 DON x25 to x40 DON x45 to x60...

Page 29: ...hanical counter display comprises a 4 digit mechanical totalizer 1 and an 8 digit sum display 2 Depending on the order option the display is calibrated in either litres or gallons The totalizer displa...

Page 30: ...e oval gearbox housing should be loosened 9 3 Spare Parts Please consult your closest KOBOLD Office Internet www kobold com or www koboldusa com 9 4 Inspection refer Exploded View Inspection points wi...

Page 31: ...rrect seating wear of bearing shafts and bearings by slowly turning the gears by hand Then insert the O ring 3 into the groove of the measuring housing 1 and assemble both parts 1 and 4 For the smalle...

Page 32: ...l 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 placement items 1 4 will then r...

Page 33: ...e tightening torque Model Housing screws Connections and axes Thread Torque Nm Thread Torque Nm x05 x15 M5 6 x20 x25 M6 10 M8 16 x20 x25 M6 20 M8 16 x30 x40 M10 32 M10 32 x45 x60 M10 32 M12 56 Steel s...

Page 34: ...es stainless steel 1 4404 O Rings medium temperature FKM 20 120 C NBR 20 100 C FEP O seal FKM 15 130 C Cover for cable connection polyamide PA6 GF35 UL94 HB VO DON 1 stainless steel 1 4404 DON 2 und D...

Page 35: ...load pulse output Hall pulse output active push pull max 100 mA short circuit proof HIGH level Min Vs 1 3 V LOW level max 1 3 V Reed pulse output as for R0 RE HU electronics option Supply voltage 5 t...

Page 36: ...nnection plug in terminals Z1 electronics option Signal inputs 2x configurable Dual counter Daily overall counter 1x per input Signal outputs none Z2 electronics option Signal inputs 1x configurable B...

Page 37: ...ier for higher viscosities Viscosities cP Standard rotor Special cut rotor 1000 1 1 2000 0 5 1 4000 0 42 0 84 6000 0 33 0 66 8000 0 25 0 5 30000 0 15 0 3 60000 0 12 0 25 150000 0 1 0 2 250000 0 05 0 1...

Page 38: ...l sensor Bx Quadr hall sensor Dx Hall sensor high resolution Gx Hall sensor high resolution Kx DON X05 0 5 36 L h 2670 2670 2670 11320 5340 DON X06 2 36 L h 2670 2670 DON X10 2 100 L h 1062 1062 1062...

Page 39: ...DON DON 01 1019 page 39 11 Pressure drop curves...

Page 40: ...DON page 40 DON 01 1019...

Page 41: ...N 810H R2 G N2 NPT 15 550 l h DON 115H DON 215H DON 815H R3 G N3 NPT 1 40 DON 120H DON 220H DON 820H R4 G N4 NPT H45 G 100 bar P45 NPT 100 bar 10 150 DON 125H DON 225H DON 825H R6 G 1 N6 1 NPT F6 DIN...

Page 42: ...DON page 42 DON 01 1019 13 Dimensions Electronic Options Ex Zx Option M N standard Option S T with cooling fin...

Page 43: ...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 closed...

Page 44: ...amber 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 cur...

Page 45: ...the label for group I the surface temperature of the process fluid must not exceed 150 C Ex IIC T4 T6 Devices for use in areas with potentially explosive atmospheres outside the mining field but with...

Page 46: ...unter has been calibrated to function with mineral oil which means the remainder of the calibration oil still remains in the device The oil used for measurement ranges X05 to X20 SHELL Morlina 10 for...

Page 47: ...ronic are in conformance with 2012 19 EU WEEE Waste Electrical Electronic Equipment 2014 30 EU EMC Directive EN 61326 1 2013 Electrical equipment for measurement control and laboratory use EMC require...

Page 48: ...ing a surface area between 20 mm and 100 mm will be classified T4 when the matched output power of the interface device does not exceed 1 3W into 40 C ambient 1 2W into 60 C ambient 1 0W into 80 C amb...

Page 49: ...DON DON 01 1019 page 49 18 Exd Certificate...

Page 50: ...DON page 50 DON 01 1019...

Page 51: ...DON DON 01 1019 page 51...

Page 52: ...DON page 52 DON 01 1019 19 IECEx Certificate...

Page 53: ...DON DON 01 1019 page 53...

Page 54: ...DON page 54 DON 01 1019...

Page 55: ...DON DON 01 1019 page 55...

Page 56: ...DON page 56 DON 01 1019 20 State of safeness...

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