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Javelin Train at St Pancras

Our Insulator designs are deliberately 'low profile' a feature that is important when ensuring railway signals are kept free from obstruction. Additionally the vandal resistant design and light-weight, self cleaning properties of these products provide further obvious benefits for initial construction and maintenance, as well as reducing line closures caused by deliberate acts of damage or vandalism.

Railway and Light Rail Insulators

A reliable Rail network requires reliable insulators at its heart and although many new designs have been added to our ever expanding range over the years, the formulation of our EPDM has never changed and our reliable service history continues to be one of our greatest assets.

Moulded onto high strength GRP rods, our range of insulators utilise WT Henley's unique EPDM cladding. This highly successful material has been well proven right around the World from desert conditions of Africa to the iced expanses of Canada and has also been used by many Electricity utilities for 40 years.

Innovative self cleaning design

Some of the harshest environments we have encountered are those on the Ayrshire coast in Scotland. At this particular location, the 25kV electrified railway catenary network, runs parallel with the coast for some 20 miles. As a result the system is continually subjected to an aggressive sea-salt environment. At its worst the sea waves crash over the catenary itself. To help overcome such problems under these conditions when using traditional ceramic insulator technology, washing, replacement and/or an increased number of units are required. In using WT Henley's Polymeric technology, the open profile design and self cleaning nature of our insulators, ensures greatly improved system reliability.

25Kv Mk1 Insulator

"25Kv Mk1 Insulator"

25Kv Mk 1 Railway Insulator

Designed to replace porcelain portal insulators above and below the gantry, these insulators take some of the highest loads of any insulators in railway service. They can also be used for independent registration where higher mechanical loads are being specified e.g. in tunnel applications where large support tubes require small deflection characteristics.

25Kv Mk3 Insulator

"25Kv Mk3 Insulator"

25Kv Mk 3 Railway Insulator

Moulded onto high strength GRP rods, these insulators utilise Henley's unique EPDM dielectric cladding material. This highly successful cladding has been proven around the world from deserts to arctic environments for more than 30 years. The material has outstanding pollution and weathering performance which, coupled with its nonflammability, also makes it ideal for tunnels and stations where natural rain-washing is not possible.

Triple Disc Polymeric Insulator

"Triple Disc Tension Insulator"

Twin / Triple Disc Tension Insulator

This vandal resistant insulator is designed specifically to directly replace three ceramic cap and pin insulators to drawing 121/003/002 and 121/833/001 for use only in horizontal, in-line configurations.

Twin Disc Polymeric Insulator

"Twin Disc Tension Insulator"

Return Conductor Support

"Return Conductor Insulator"

Return Conductor Insulator

This vandal resistant insulator is designed for direct replacement of traditional porcelain insulators (Network Rail Part number 121/42/1).

Light Rail Insulator

"Light Rail Insulator"

Light Rail and Rapid Transit Insulators

Designers of Light rail schemes around the world are becoming increasingly aware of the visual impact of catenery wires in urban landscapes.

W.T. Henley work with designers to reduce this visual impact by incorporating the insulation into the structure; whether this be a registration arm or cantilever arm.

Contact WTH

WT Henley

Church Manorway,

Erith, Kent DA8 1EX

England

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Christmas and New Year Holiday closure

Please note that we will be closed over the festive period, from close of business on Friday 22nd December, until we re-open on Tuesday 2nd January 2018. close.