T & D Insulators

T & D Insulators include Suspension Insulators, Tie–Top Line Post Insulators, Horizontal & Vertical Clamp Top Line Post, PDEI Polymer Deadend Insulators, Pin Type Insulators, Pin Post Insulators, Spool and Guy Strains.

T & D Insulators

T & D Insulators types:
Suspension Insulators:

Orient Insulators standard suspension insulators with high mechanical and electrical strength are designed to meet the most modern demands of high voltage and EHV transmission line usage today.
Orient Insulators makes one of the widest ranges of ANSI approved Ball–Socket and Clevis type distribution suspension insulators for overhead distribution and transmission systems in the world.
Each suspension shell undergoes rigorous electrical testing before and after assembly before being shipped.
ANSI Class 52-1 through 52-9 specifications and are also REA accepted.

Tie–Top Line Post Insulators:
The one – piece design utilized in Orient Insulators tie – top line post insulator eliminates the need for suspension shells while providing maximum protection under severe flashover and mechanical impact. Designed for upright or angle mounting on a crossarm, a choice of stud assemblies is available for both wood and steel crossarms. All Line Post Insulators are manufactured by Orient Insulators in strict compliance to ANSI standards.

Horizontal & Vertical Clamp Top Line Post:
ORIENT Insulators offer horizontal & vertical clamp top line post assemblies for ratings 25 kV through 35 kV. ORIENT horizontal mounting line post assemblies are primarily recommended for downleads, jumper loop control and similar applications. A galvanized metal cap is cemented to the outside of the line post head supporting the trunnion type clamp. ORIENT vertical clamp top line post insulators are mounted upright on crossarms and structures. Rated at 2800 lb. cantilever strength these insulators offer strength with excellent mechanical as well as electrical characteristics.

PDEI Polymer Deadend Insulators:
PDEI composite insulators are manufactured from two base compounds; silicone, the type most often utilized in highly contaminating areas, and EPDM. The ORIENT Insulators EPDM version has evolved from the original formulation, EPDM (Ethylene Propylene Diamer Modified), into a formulation representing a significant advancement; the development and addition of a proprietary anti – fungal agent. Since EPDM is an organic compound, the anti – fungal agent affords the industry an insulator with superior resistance to mold, spores and fungus, thereby insuring product longevity. Type PDEI composite insulators are designed for distribution line suspension, full tension deadends and running corners with maximum high design loads.

Pin Type Insulators:
Highly resistant to lightning puncture, ORIENT Insulators manufactures a wide range of low and high voltage PinType Insulators designed for distribution and sub transmission circuits. The versatile neck designs in “C, F, K and J,” side and top grooves, allow the acceptance of large – diameter conductors to permit easy tying. All neck sizes conform to industry standards allowing factory – formed ties to be used.

Pin Post Insulators:
ORIENT Insulators alternative design offers users the unique advantage of reducing inventory by using the pin type insulator as a line post insulator. The primary advantage of the pin post insulator is really the advantage of better operating characteristics to line post insulators without changing the hardware.
ORIENT’s thimble design ensures the highest strength and is tested for integrity prior to assembly.

Spool and Guy Strains:
ORIENT Insulators makes spool and guy strain insulators out of the highest grade electrical wet-process porcelain in a wide range of electrical values and all resistant to mechanical breakage. Strength ratings are made in accordance with ANSI Standard C29.4 for ultimate strength.


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Orient Group is a professional manufacturer and exporter of composite suspension insulator and porcelain disc suspension insulator.