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Kobold VKG, Operating Instructions Manual

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VKG 

Page 2 

 

VKG K09/0322 

1. Contents 

 

1.

 

Contents ........................................................................................................ 2

 

2.

 

Note .............................................................................................................. 3

 

3.

 

Instrument Inspection .................................................................................... 3

 

4.

 

Regulated Use .............................................................................................. 3

 

5.

 

Operating Principle ........................................................................................ 4

 

6.

 

Mechanical Connection ................................................................................. 5

 

7.

 

Electrical Connection .................................................................................... 6

 

8.

 

Use in hazardous area .................................................................................. 7

 

8.1.

 

Statement an apparatus not containing an own potential ignition  

 

source .................................................................................................. 7

 

8.2.

 

ATEX reed contact  41R57** ............................................................... 9

 

9.

 

Commissioning............................................................................................ 15

 

10.

 

Maintenance ............................................................................................... 16

 

11.

 

Technical Information .................................................................................. 16

 

12.

 

Ordering Codes ........................................................................................... 18

 

13.

 

Recommended Spare Parts ........................................................................ 19

 

14.

 

Dimensions ................................................................................................. 20

 

15.

 

EU Declaration of Conformance (VKG) ....................................................... 22

 

16.

 

UK Declaration of Conformity (VKG) ........................................................... 23

 

17.

 

EU Declaration of Conformance (Reed contact 41R57**) ........................... 24

 

18.

 

Statement of conformity reed contact 41R57** ........................................... 25

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 

Manufactured and sold by: 

 

Kobold Messring GmbH 

Nordring 22-24 

D-65719 Hofheim 

Tel.: +49(0)6192-2990 

Fax: +49(0)6192-23398 

E-Mail: [email protected] 

Internet: www.kobold.com 

Summary of Contents for VKG

Page 1: ...Operating Instruction for Viscosity Compensated Flow Meter and Monitor Model VKG ...

Page 2: ...ontact 41R57 9 9 Commissioning 15 10 Maintenance 16 11 Technical Information 16 12 Ordering Codes 18 13 Recommended Spare Parts 19 14 Dimensions 20 15 EU Declaration of Conformance VKG 22 16 UK Declaration of Conformity VKG 23 17 EU Declaration of Conformance Reed contact 41R57 24 18 Statement of conformity reed contact 41R57 25 Manufactured and sold by Kobold Messring GmbH Nordring 22 24 D 65719 ...

Page 3: ...g to Health Safety and prevention of accidents When used in machines the measuring unit should be used only when the machines fulfil the EC machine guidelines as per PED 2014 68 EU In acc with Article 4 Paragraph 3 Sound Engineering Practice of the PED 2014 68 EU no CE mark Diagram 8 Pipe Group 1 dangerous fluids 3 Instrument Inspection These devices are checked before dispatch and sent away in pe...

Page 4: ...l Outer casing Aluminium anodised Aluminium anodised Spring St Steel 301 St Steel 301 Orifice St Steel 301 brass St Steel 301 Magnet Ceramic oxide Ceramic oxide Connections Brass St Steel 304 Float Brass St Steel 304 Measuring tube Borosilicate Borosilicate O rings NBR FPM Tmax 100 C 100 C Pmax 12 bar 12 bar 5 Operating Principle A float with sharp edged orifice apertures is located within a cylin...

Page 5: ...chanically at approximately 50 mm from each instrument connection The instrument must not be installed within an induction field Attention The threaded connection of the instrument must be tightened with a suitable size of open ended spanner Otherwise the housing may be stressed which could lead to breakage of the instrument If possible check directly after mechanical installation that the connect...

Page 6: ...ommissioning Connect the plug to the contact connections and secure it with the holding screw see section 9 commissioning Attention Electrical values of the reed contacts may not be exceeded even for short periods For higher switching values we recommend contact protection relays Following connection of the external equipment to the output and adjustment of the required switch points the external ...

Page 7: ...VKG VKG K09 0322 Page 7 8 Use in hazardous area 8 1 Statement an apparatus not containing an own potential ignition source ...

Page 8: ...VKG Page 8 VKG K09 0322 ...

Page 9: ... standard issues were considered in the evaluation of the product a IEC 60079 0 2017 Ed 7 EN 60079 0 2018 Explosive atmospheres Part 0 Equipment General requirements b IEC 60079 11 2011 Ed 6 Corr 2012 EN 60079 11 2012 Explosive atmospheres Part 11 Equipment protection by intrinsic safety i 2 General information on explosion protection The reed switches work together with various KOBOLD products an...

Page 10: ...ambient temperature range is 20 C Ta 80 C 2 1 Electrical characteristics for Ex i Electrical data Rated voltage up to 45 volt AC DC Rated current up to 2 A UiIC 30 V AC DC IiIIC 250 mA UiIIB 45 V AC DC IiIB 2 A UiIIIC 45 V AC DC IiIIIC 250 mA Li negligible Ci negligible Heating on the outer housing 15 K 2 2 Type code The equipment is identified by the following type code Type Description Item No R...

Page 11: ...ly instructions and in particular the safety instructions a Follow the general rules of technology for the selection and proper operation of a product b All connected electrical and mechanical equipment must be suitable for the respective application c Observe the notes in these operating instructions as well as the conditions of use and permissible data that appear from the imprints nameplates of...

Page 12: ...eed switch must be protected against inadmissible access of liquids and or soiling h Fixed parts e g due to frost or corrosion must not be loosened by force in the presence of an explosive atmosphere Icing must therefore be avoided i The reed switch may only be subjected to minor vibrations see also IEC 34 14 j To ensure the discharge of electrostatic charges the national requirements must be cons...

Page 13: ...thout disassembly or if necessary with partial disassembly supplemented by measures such as measurements becomes Visual inspection A visual inspection is a test that detects visible faults such as missing screws without the use of access devices or tools Close up Test A test that identifies in addition to the aspects of visual inspection such errors such as loose screws which can only be obtained ...

Page 14: ...ormed by specially trained and authorized personnel 6 Disposal Disposal of the packaging and used parts must be in accordance with the regulations of the country in which the product is installed 7 Marking of the reed switch nameplate In the serial number the year of manufacture can be coded optionally it can also be specified as plain text As a rule a readable marking has been made for the type o...

Page 15: ...eed contact just opens no electrical continuity Fix the switch in this position by tightening the fixing screws Replace the plug cap The instrument is now ready for operation With correct adjustment of the limit switches a bistable switch characteristic is achieved i e the contact remains closed when the float rises above the set limit value PIN 1 2 or alternatively PIN 2 3 with option of changeov...

Page 16: ...s inserted into the nipple of the top threaded con nection The float end with the inserted orifice must be positioned on the flow medium inlet side 11 Technical Information Housing Aluminium anodised not media contacted Screwed fitting VKG x1 Brass nickel plated VKG x2 Stainless steel 1 4301 Float VKG x1 Brass nickel plated VKG x2 Stainless steel 1 4301 Orifice Stainless steel 1 4310 Spring Stainl...

Page 17: ...vices and plants such as e g EN 1127 1 EN 60079 14 etc a In Zone 1 gas hazard category 2G EPL Gb in the explosion groups IIA IIB and IIC b In Zone 2 gas hazard category 3G EPL Gc in the explosion groups IIA IIB and IIC c In Zone 21 dust hazard category 2D EPL Db in the explosion groups IIIA and IIIB d In Zone 22 dust hazard category 3D EPL Dc in the explosion groups IIIA and IIIB ATEX N O contact ...

Page 18: ...N08 1 4 NPT B outlet fernelle thread inlet BVB manifold 0 2 1 2 0 04 1 0 VKG 2102 VKG 2202 R08 G 1 4 R15 G 1 2 N08 1 4 NPT N15 1 2 NPT 0 4 2 0 04 1 0 VKG 2103 VKG 2203 0 6 3 4 0 04 0 9 VKG 2104 VKG 2204 2 8 0 06 1 0 VKG 2105 VKG 2205 3 15 0 04 1 0 VKG 2106 VKG 2206 R15 G 1 2 R20 G 3 4 N15 1 2 NPT N20 3 4 NPT 4 20 0 04 1 0 VKG 2107 VKG 2207 2 5 45 0 08 0 4 VKG 2108 VKG 2208 R20 G 3 4 R25 G 1 N20 3 ...

Page 19: ... 3 15 0 04 1 0 VKG 4106 VKG 4206 R15 G 1 2 R20 G 3 4 N15 1 2 NPT N20 3 4 NPT 4 20 0 04 1 0 VKG 4107 VKG 4207 2 5 45 0 08 0 4 VKG 4108 VKG 4208 R20 G 3 4 R25 G 1 N20 3 4 NPT N25 1 NPT 5 55 0 1 1 0 VKG 4109 VKG 4209 2 5 70 0 1 1 1 VKG 4110 VKG 4210 5 80 0 1 1 0 VKG 4111 VKG 4211 R25 G 1 N25 1 NPT The pressure loss is based on water 13 Recommended Spare Parts Only the instrument parts and materials a...

Page 20: ... mm Weight kg VKG 1 Standard connection Special connection VKG 01 48 41 0 9 0 9 VKG 02 48 41 0 9 0 8 VKG 03 48 41 0 9 0 8 VKG 04 48 41 0 9 0 8 VKG 05 48 41 0 9 0 8 VKG 06 48 41 0 8 0 8 VKG 07 48 41 0 8 0 8 VKG 08 48 41 0 8 0 7 VKG 09 48 41 0 8 0 7 VKG 10 48 41 0 8 0 7 VKG 11 48 41 0 7 0 7 ...

Page 21: ... 153 VKG N20 153 VKG R20 B 153 VKG N20 B 153 VKG R25 153 VKG N25 153 VKG R25 B 153 VKG N25 B 153 Model D mm AF mm Weight kg VKG 4 Standard connection Special connection VKG 01 46x46 41 1 3 1 3 VKG 02 46x46 41 1 3 1 2 VKG 03 46x46 41 1 3 1 2 VKG 04 46x46 41 1 3 1 2 VKG 05 46x46 41 1 2 1 2 VKG 06 46x46 41 1 2 1 2 VKG 07 46x46 41 1 2 1 1 VKG 08 46x46 41 1 2 1 1 VKG 09 46x46 41 1 2 1 1 VKG 10 46x46 41...

Page 22: ...al equipment for measurement control and laboratory use Part 1 General requirements EN 60529 2014 Degrees of protection provided by enclosures IP Code EN IEC 63000 2018 Technical documentation for the assessment of electrical and electronic products with respect to the restriction of hazardous substances Also the following EC guidelines are fulfilled 2014 35 EU Low Voltage Directive 2011 65 EU RoH...

Page 23: ...atory use General requirements BS EN 60529 1992 A2 2013 Degrees of protection provided by enclosures IP Code BS EN IEC 63000 2018 Technical documentation for the assessment of electrical and electronic products with respect to the restriction of hazardous substances Also the following UK guidelines are fulfilled S I 2016 1101 Electrical Equipment Safety Regulations 2016 S I 2012 3032 The Restricti...

Page 24: ...VKG Page 24 VKG K09 0322 17 EU Declaration of Conformance Reed contact 41R57 ATEX not available in GB ...

Page 25: ...VKG VKG K09 0322 Page 25 18 Statement of conformity reed contact 41R57 ATEX not available in GB ...

Page 26: ...VKG Page 26 VKG K09 0322 ATEX not available in GB ...

Page 27: ...VKG VKG K09 0322 Page 27 ATEX not available in GB ...

Page 28: ...VKG Page 28 VKG K09 0322 ATEX not available in GB ...

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