Heat shrink Bus Bar Tubing

PVC SHROUDS FOR BUS BARS ELECTRIC BUSBARS

 

  • Cross linked polyolefin material
  • Anti-Track
  • Reduces Bus bar clearance
  • High dielectric strength
  • Flame retardant
  • Protects against accidental flash overs
  • Halogen free
  • Compliance with ESI 09-11 standard
TECHNICAL SPECIFICATIONS
 
PROPERTIES UNIT VALUE STANDARD
Tensile Strength N/mm2 >=12 ASTM D 638
Ultimate elongation % >=300 ASTM D 638
Density gm/cm3 1.20 ASTM D 792
Water absorption % <=0.5 ASTM D 570
Longitudnal Shrinkage % <=5 ASTM D 2671
shrinkage Temperature oC 125 -----
Continous Temperature Limit oC -40 to +125 -----
Heat shock( 4 hours at 200 oC) ---- No cracking or flowing ASTM D 2671
Thermal Ageing ---- Max 25 % drop in physical properties ASTM D 2671
Di-electric Strength KV/mm >=20 ASTM D 149
di-electric constant ---- 5 (Max.) ASTM D 150
Volume Resistivity Cm >=1014 ASTM D 257
Corrosion ---- Non-corrosive ASTM D 2671

 

Medium Wall  Bus Tubing

Suitable for insulation  of medium voltage Bus bar upto 25 KV to reduce the distance between two phases in switchboards..

  • Standard  length 1000mm and 1200mm

  • Standard colour Red.


     

Code

D Min
(mm)

D Max
 (mm)

         T
      (mm)
BMB 25/8 25 8 2.5
BMB 30/12 30 12 2.5
BMB 40/16 40 16 2.5
BMB 50/20 50 20 2.5
BMB 75/28 75 28 3.0
BMB 100/38 100 38 3.0
BMB 120/42 120 42 3.0
BMB 160/50 160 50 3.0

Heavy Wall Bus Tubing

Suitable for insulation  of medium voltage Bus bar upto 36 KV to reduce the distance between two phases in switchboards..

Also suitable for insulation of connectors for LV Joints

  • Standard length 1000mm and 1200mm

  • Standard colour Red.

Code

D Min
(mm)

D Max
 (mm)

T    (mm)

BHB 25/8 25 8 3.7
BHB 30/12 30 12 4.0
BHB 40/16 40 16 4.0
BHB 50/20 50 20 4.0
BHB 75/28 75 28 4.0
BHB 100/38 100 38 4.2
BHB 120/42 120 42 4.2
BHB 160/50 160 50 4.5
   

Clearances with Insulation

Voltage

Medium Wall Tube (GMB)

Heavy Wall Tube (GHB)

Ph. to Ph. (mm) Ph. to gr. (mm) Ph. to ph (mm) Ph. to gr.(mm)
15 KV 86 106 55 65
25 KV 114 152 70 100
36 KV 190 280 140 190

 

 

 

 
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  Manufacturers Exporters suppliers India Asian Indian Manufacturer Jamnagar Supplier