ZSTX挂坠洒水灭火(开火喷嘴，直sp

Fire Sprinkler(Fire Nozzle,pendent sprinkler,pendent sprinkler,glassbulb sprinkler,job sprinkler) Size: Size:1/2" and 3/4" Glassbulb: 68degree(red),79degrees(orange),93degree(blue),141degree(green) Technical Data: Type Upright Pendent Sidewall Conventional Concealed Item No. ZSTZ ZSTX ZSTB ZSTP ZSTDT Nominal Diameter(mm) DN15 DN20 DN15 DN20 DN15 DN20 DN15 DN20 DN15 DN20 Connect Thread(Inch) R1/2 R3/4 R1/2 R3/4 R1/2 R3/4 R1/2 R3/4 R1/2 R3/4 Flux Coefficient(K) 80 115 80 115 80 115 80 115 80 115 Nominal Work Temperature Work Environmental Max Temperature Glassbulb Color 57°C 27°C orange 68°C 38°C red 79°C 49°C yellow 93°C 63°C green Item No. Connect Thread Flux Coefficient(K) Installation Type ZSTP(K)15 R1/2 80 Conventional ZSTX(K)15 R1/2 80 Pendent ZSTZ(K)15 R1/2 80 Upright ZSTBS(K)15 R1/2 80 Sidewall Horizontal ZSTBZ(K)15 R1/2 80 Sidewall Upright