BS EN ISO 4126-7:2003

BS EN ISO 4126-7:2003 Safety devices for protection against excessive pressure. Common data

BS EN ISO 4126-7 contains data, which is common to more than one of the BS EN ISO 4126 series of standards to avoid unnecessary repetition. BS EN ISO 4126-7 is referenced in the other parts BS EN ISO 4126 where appropriate.

Contents of BS EN ISO 4126-7:

• Scope
• Normative references
• Non-European material groups and material temperature limitations
• Minimum requirements for helical compression springs
• General
• Materials
• Marking
• Dimensions
• Spring plates/buttons
• Inspection, testing and tolerances
• Minimum requirements for safety valve disc springs
• General
• Materials
• Marking
• Dimensions
• Inspection, testing and tolerances
• Basis of Table 1
• Material groups
• Bibliography