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ENERGY PRODUCTS DIVISION
Polymeric
Insulators
Insulators
Insulators are devices which are used on electricity supply networks to support, separate or contain
conductors at high voltages.
Insulators have the dual functions of mechanically supporting aerial conductors while also providing
adequate electrical insulation between the energised conductor and the supporting pole or structure.
Insulators are used in electrical systems and are designed to accept Cantilever or Tension loading.
Polymeric Insulators
High strength pultruded
fibre glass rod
Polymeric Insulators consists of:
• A glass fibre reinforced resin core to provide the
mechanical strength, while resisting the electrical stress
• Elastomer sheds to provide the required creepage and
stress reduction to with stand the stresses prevailing on the
system. Two commonly used material are silicone rubber
and Ethylene Vinyl Acetate(EVA)
A major advantage of polymeric insulators is an upto 70%
reduction in weight when compared to porcelain insulators
which can be used to redesign and bring down the weight of
the entire structure ensuring cost reductions.
Field proven
interfacial sealing
Non tracking,
UV resistant
housing
Corrosion resistant
crimped end fittings
Polymeric Insulator Construction
Composite design
• Lightweight – easy installation
• Vandal and break resistant
• Impact resistant
EVA housing
• High tracking and erosion resistance
• Excellent performance under polluted conditions
• Reduced maintenance costs
Crimp technology
• Maximum mechanical strength without
damaging the fibre glass rod
• Patented crimp
Direct bonding to end fitting
• Ideal moisture barrier, avoids moisture ingress to the
fibre glass rod
Horizontal Clamp
Vertical Clamp
F Neck
Hollow Core Insulators
Raychem's Hollow Core Insulators consist of a glass fiber-reinforced epoxy tube,
aluminum-casted flanges and silicone rubber housing.
Application:
• Bushings for Transformers, Walls and Dead Tank Breakers
• Grading capacitors, chamber and support insulators for life tank breaker
• Current and Voltage Transformers in oil and SF6
• Cable Terminations
• Surge Arresters
Features
Low weight
Composite structure
Silicone housing
Flexible sheds
Benefits
Easy handling during installation on site and in the factory,
simple support structures, low transportation cost
Provides explosion safety for personnel and equipment in case of
internal fault ( power arc & overpressure) & high safety in seismic areas
Improves insulating behaviour at simultaneous stress of both, moisture
and pollution . High UV resisitance. No maintenance - no cleaning or
greasing - due to the hydrophobicity transfer.
Reduces risk of breakage during transport and assembly makes
equipment vandalism proof
Application in a Distribution System
Polymeric Insulators for
Air Break Switches
Standoff Insulator
ENERGY PRODUCTS DIVISION
Regional Offices:
Chennai:
6th Floor, Sudarsan Building,
27, Whites Road, Royapet
Chennai - 600 014
Tel: +91 44 65718437/38/39/40/41
Fax: +91 44 2851 4399
Delhi:
1107-1112, Vishwadeep Building,
District Centre, Janakpuri,
New Delhi - 110058
Tel: +91 11 45753700
Fax: +91 11 25557864
Mumbai:
6th Floor, Amfotech IT Park,
Road No. 8,
Opp. Old passport Office,
Wagle Industrial Estate,Thane (W)
Mumbai - 400604
Tel : +91 22 39916300
Kolkata:
1st Floor, Omega Building,
Bengal Intelligent Park,
Block EP & GP, Plot No.A2,
M2 & N2, Salt Lake - Sector V,
Electronics Complex,
Kolkata - 700091
Tel: +91 33
40044081/82/83
Fax: +91 33 40044084
Bengaluru:
Namdev Garnet, No.37/7,
Ground Floor, Aga Abbas Ali Road,
Near Manipal Centre,
Bengaluru - 560042
Tel: +91 80 40676666
Fax: +91 80 25586039
Corporate Office:
Raychem RPG (P) Ltd.,
RPG House,
463, Dr. Annie Besant Road,
Worli, Mumbai-400030
Tel: +91 22 24937485/6
Fax: +91 22 24938879
To learn more about
Raychem RPG solutions & offerings
visit : www.raychemrpg.com
or e-mail your queries to :
[email protected]
Customer Care Centre
Tollfree No: 1800 209 9769
DISCLAIMER : The information contained in this Brochure is for general information purposes only. The information is provided by Raychem RPG Private
Limited and whilst it endeavours to keep the information up-to-date and correct, it makes no representations or warranties of any kind, express or implied, about
the completeness, accuracy, reliability, suitability or availability with respect to the its products or the information, products, services, or related graphics
contained on the brochure for any purpose. Any reliance you place on such information is therefore strictly at your own risk.
In no event will Raychem RPG be liable for any loss or damage including without limitation, indirect or consequential loss or damage, or any loss or damage
whatsoever arising from loss of data or profits arising out of or in connection with the use of this brochure.
All materials contained on this brochure are copyright © Raychem RPG (P) Ltd. September 2014. This information is issued to provide outline information only.
Use, application or reproduction for any purpose or formation of any order or contract is prohibited unless agreed to in writing as condition of sale by Raychem
RPG Private Limited. Raychem RPG Private Limited reserves the right to alter any product or service.