Your SlideShare is downloading. ×
0
Instrumentation Cable
Instrumentation Cable
Instrumentation Cable
Instrumentation Cable
Instrumentation Cable
Instrumentation Cable
Instrumentation Cable
Instrumentation Cable
Instrumentation Cable
Instrumentation Cable
Instrumentation Cable
Instrumentation Cable
Instrumentation Cable
Instrumentation Cable
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×
Saving this for later? Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime – even offline.
Text the download link to your phone
Standard text messaging rates apply

Instrumentation Cable

2,041

Published on

Published in: Technology, Business
0 Comments
2 Likes
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total Views
2,041
On Slideshare
0
From Embeds
0
Number of Embeds
2
Actions
Shares
0
Downloads
6
Comments
0
Likes
2
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. INSTRUMENTATION CABLE SHIVAJI CHOUDHURY
  • 2. CABLE <ul><li>CONDUCTOR </li></ul><ul><li>INDIVIDUAL INSULATION </li></ul><ul><li>SCREEN </li></ul><ul><li>INNER SHEATH </li></ul><ul><li>ARMOUR </li></ul><ul><li>OUTER SHEATH </li></ul>
  • 3. CONDUCTOR <ul><li>COPPER --HIGH CONDUCTIVITY TINNED –OR PLAIN </li></ul><ul><li>SHAPE- -SOLID OR MULTISTRANDED. </li></ul><ul><li>7 STRAND CONDUCTORS MOSTLY USDED </li></ul><ul><li>SIZE--MINIMUM 0.5 TO 2.5 mm sq SIZE </li></ul>
  • 4. INSULATION FOR INDIVIDUAL CONDUCTORS <ul><li>EXTRUDED PVC,PE,XLPE ,PP </li></ul><ul><li>AS PER VDC 207 PART 4 OR EN 50290-2-21,23,25,26,29 </li></ul><ul><li>MINIMUM INSULATION THICKNESS DEPENDING ON VOLTAGE RATING AND CONDUCTOR SIZE </li></ul>
  • 5. CABLING ELEMENTS <ul><li>MAX LENGTH OF LAY UPTO 1.5 MM SQ LESS THAN 100 MM </li></ul><ul><li>MAX LENGTH OF LAY UPTO 2.5 MM SQ LESS THAN 150 MM </li></ul><ul><li>CORES,PAIRS,TRIPLES,QUADES </li></ul><ul><li>IDENTIFICATION OF NUMBERED CORES OR TAPES –IEC 60189-2 </li></ul>
  • 6. INDIVIDUAL SCREEN <ul><li>PLASTIC LAMINATED METAL FOIL WITH DRAIN WIRE.OVERLAPPING OF THE FOIL MIN 20%. </li></ul><ul><li>PLAIN OR COATED METAL BRAID. </li></ul><ul><li>COMBINATION OF BRAID AND FOIL. </li></ul>
  • 7. ASSEMBLING OF CABLE ELEMENTS <ul><li>WRAPPINGS OF NON HYGROSCPIC TAPES INTERSTITIAL FILLERS,WHERE NECESSARY. </li></ul><ul><li>MOISTURE BARRIERS -PETROJELLY AS PER–EN 50290-2-29 FOR WET OR SWELLABLE TAPES/CORD FOR DRY </li></ul>
  • 8. OVERALL SCREEN <ul><li>PLASTIC LAMINATED METAL FOIL WITH DRAIN WIRE.OVERLAPPING OF THE FOIL MIN 20% </li></ul><ul><li>PLAIN OR COATED METAL BRAID. </li></ul><ul><li>COMBINATION OF BRAID AND FOIL. </li></ul><ul><li>LAMINATED SHEATH </li></ul>
  • 9. SHIELDING <ul><li>FOR ANALOG SIGNALS OVERALL SHIELDING WITH INDIVIDUAL PAIR SHIELDING </li></ul><ul><li>FOR DIGITAL SIGNALS OVERALL SHIELDING </li></ul>
  • 10. INNER SHEATH <ul><li>PVC,PE,HALOGENFREE ,FLAME RETARED COMPOUNDS. </li></ul><ul><li>EN 50250-2-22 AND 27 </li></ul><ul><li>FOR CHEMICAL AND ENVIRONMENTAL PROTECTION-LEAD SHEATH AS PER EN 50307 OR MULTILAYER SHEATH </li></ul><ul><li>BEDDING </li></ul>
  • 11. ARMOUR <ul><li>SINGLE LAYER OF ROUND STEEL WIRE (EN 10257-1 OR IS-3975) </li></ul><ul><li>SINGLE OR DOUBLE LAYER OF STEEL OR BRASS TAPES </li></ul><ul><li>METAL BRAID </li></ul>
  • 12. INSLUTION OUTER SHEATH <ul><li>EXTRUDED PVC,PE.HALOGENFREE </li></ul><ul><li>VDC 207 PART 5 OR EN 50290-2-22,24,27 </li></ul><ul><li>FLAME RETARDED COMPOUND </li></ul><ul><li>LOW SMOKE </li></ul><ul><li>MINIMUM INSULATION THICKNESS DEPENDING ON VOLTAGE RATING AND ARMOURING </li></ul>
  • 13. REQUIREMENT FOR OUTER SHEATH <ul><li>OXYGEN INDEX –NOT LESS THAN 29%- ASTMD -2863 </li></ul><ul><li>MAXIMUM ACID GENERATIN 20% -IEC 754 -1 </li></ul><ul><li>SMOKE DENSITY NOT MORE THAN 60% -ASTMD -2843 </li></ul><ul><li>FLAMMABILITY IEEE 383 or IEC 60332-3 </li></ul>
  • 14. THANKYOU

×