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Raychem self-regulating systems have an unconditional T-classification, can be cut to length on-site and are easy to install. They offer maximum design flexibility and reliability for heat-tracing applications with line lengths of up to 250m and maintain temperatures of up to 150°C.
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Raychem power-limiting
systems provide higher power outputs at elevated temperatures than
self-regulating systems and can be exposed to higher temperatures while
maintaining the advantages of cut-to length cables. For line lengths of up to
250 m, for maintain temperatures of up to 230°C.
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Isopad and HEW-THERM
polymer insulated (PI) series heating systems are especially suitable for
longer heating circuits (e.g. >250 m) and can be used for exposure
temperatures of up to 300°C. Depending on the application, they typically
require more sophisticated control systems.
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Pyrotenax mineral insulated (MI) series heating systems are recommended for high-temperature applications of up to 800°C. Suitable for the harshest of industrial environments they are offered in a choice of constructions each with a complete range of compatible components and accessories.
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Raychem constant-wattage parallel heating systems offer an economical alternative while maintaining the advantages of cut-to length cables. Because of their constant power output, circuit breaker sizes may be reduced compared to self-regulating heating systems. For line lengths of up to 200 m, for maintain temperatures of up to 200°C. Depending on the application, they typically require more sophisticated control systems.
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