Packing provides sealing at high temperatures
A
James Walker and Co product story
Edited by the Engineeringtalk editorial team
Feb 28, 2006
Compression packing for sealing at constant temperatures up to 1000C, with excursions to 1100C, recommended for static or slow rotary applications.
Valcor Hi-Temp is James Walker's latest compression packing for high efficiency sealing at constant temperatures up to 1000C, with excursions to 1100C.
It is recommended for static or slow rotary applications including door seals on steel annealing furnaces, kiln packings and the stem glands of valves controlling very high temperature gas flows.
The packing is based on a stable fibre material of 9um diameter that is soft, non-irritating and non-hazardous.
Unlike products made of normal, hard ceramic fibres of about 3um diameter, it is not limited by World Health Organisation or European Union restrictions.
No protection for breathing, eye, hand or body is required during handling, storage or use.
Andrew Goulding, James Walker's specialist on compression packings, said: "Valcor Hi-Temp is a competitively priced non-hazardous alternative to normal ceramic fibre packings".
"It also offers far better value for money than other alternatives such as those made from pure silica fibre".
The heat resistant yarn used in the manufacture of Valcor Hi-Temp is reinforced with a small amount of glass fibre and Inconel wire.
It contains no organic agents or processing aids, and therefore retains its physical and chemical properties at very high temperatures.
It does not decompose into hazardous substances, as do many normal ceramic fibre based packings.
Valcor Hi-Temp is chemically compatible with fluid media in the range pH1 to 10, excluding hydrofluoric acid and hydrogen fluoride.
It has resistance to water, organic chemicals and other acids.
It is supplied as densely braided compression packings of square, round and rectangular sections from 3 to 100mm across, in any length.
Other flexible products are made to order.
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Contact James Walker and Co
Tel +44 1270 536000
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