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This part of GB 5135 specifies the classification, nominal operating temperature, color coding, model designation, requirements, test methods, inspection rules, packaging, transport and storage for ESFR sprinklers.
This part is applicable to ESFR sprinklers with nominal discharge coefficients of K 202 (pendent and uprights), K 242 (pendent and and upright), K 323 (pendent), and K 363 (pendent). Other types of ESFR sprinklers can refer to this part.
This part is not applicable to the specific application sprinklers.