【国家标准】 自动喷水灭火系统　第22部分：特殊应用喷头

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 specific application sprinklers.
This part is applicable to nonstorage specific application sprinklers with nominal discharge coefficients of K 161, K 202, K 242, K 363 and storage specific application sprinklers with nominal discharge coefficients of K 161, K 242, K 282, K 363.Other types of specific application sprinklers can refer to this part.
This part is not applicable to early suppression fast response (ESFR) sprinklers.