This part of GB 5135 specifies classification, nominal discharge coefficient, connection thread, color coding, model designation, requirements, test methods, inspection rules, operation instructions, and packaging, transport and storage for sprinklers of automatic sprinkler systems.
This part is applicable to sprinklers of automatic sprinkler systems.
This part is not applicable to early suppression fast response (ESFR) sprinklers, domestic sprinklers, specific application sprinklers and openclose sprinklers.
定价: 1620元 / 折扣价: 1377 元 加购物车
This part of GB 5135 specifies the terms and definitions, classification and code, models, requirements, test methods, inspection rules, marking and instructions for use, packaging, transportation and storage of deluge alarm valves.
This part is applicable to the deluge alarm valves for automatic sprinkler systems.
定价: 648元 / 折扣价: 551 元 加购物车