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Parkinson-Spencer Refractories Ltd.

Holmfield, HX3 6SX Halifax
United Kingdom of Great Britain and Northern Ireland
Telephone +44 1422 2544-72
Fax +44 1422 2544-73

Hall map

glasstec 2018 hall map (Hall 13): stand A63

Fairground map

glasstec 2018 fairground map: Hall 13

Our range of products

Product categories

  • 01  Glass production/Production Technology
  • 01.04  Glass melting technology
  • 01.04.02  Forehearth technology

Our products

Product category: Forehearth technology

System 5oo forehearth

The System 5oo forehearth was specifically designed to achieve the best glass thermal homogeneity over the widest operating range with optimum fuel efficiency and with more than 5oo worldwide installations to date its ability to achieve these objectives is well proven.
The roof block geometry used in the System 5oo technology effectively divides the forehearth into three lateral chambers. The central chamber is used as a conduit for a longitudinal, forced convection cooling system in which cooling air is injected into the forehearth chamber at the start of each cooling zone and exhausted through a central flue at the end of the zone. The cooling air flow rate and the position of the exhaust damper are automatically controlled. This allows the forehearth to ensure that a positive internal forehearth pressure is maintained.

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Product category: Forehearth technology


The distributor is a vital component of the glass conditioning process. The achievement of good glass thermal homogeneity before the glass enters the forehearth reduces the reliance on forehearth conditioning and improves the flexibility and production efficiency of the whole glass conditioning system.
Many distributors or working ends still use construction techniques, combustion, cooling and temperature control systems based on furnace technology, with high arched superstructures and nozzle mix type burners in the working-end breast walls. These systems do not apply any significant conditioning to the glass and are very inefficient.

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Product category: Forehearth technology


We design, manufacture and supply the complete refractory assembly for our System 5oo forehearths. However, in addition to fulfilling the needs of our own systems, we can also supply the complete refractory substructure and superstructure for most other designs of forehearth, and can also offer the services of our team of designers and engineers to upgrade and improve existing forehearth systems.

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About us

Company details

Glass manufacture is a continuous process and our customers require products that can be guaranteed to perform without failure under the most demanding conditions. Consistency of manufacture is essential for the maintenance of uniform production standards and we operate a quality management system certified by Lucideon CICS Ltd to the requirements of ISO 9001: 2008.

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