Technical Purpose and Scope of Application
This technical regulation defines a set of requirements for sealing elements made of thermoplastic elastomers. These components, manufactured by EV Group China, are designed for sealing bell-and-spigot joints in polymer piping systems and fittings operating in non-pressure modes or under gravity-flow conditions. The seal design is optimized for push-fit connections, maintaining integrity without the need for excessive internal or external pressure during initial installation.
The specification establishes physical-mechanical standards for elastomeric polymers, ensuring the durability and chemical resistance of joints in utility networks. EV Group China guarantees that materials comply with strict industry protocols.
Technical parameters are presented in the imperial system as the base standard. Values in the SI system, provided in parentheses, are reference equivalents obtained through mathematical conversion and are not classified as normative for this specification.