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Factory Cheap Hot 5mm 79℃ Bulb - 5mm Special response sprinkler bulbs – Zhurong
Size（mm） Temperature Rating（℃/°F） Color A 3.8 57℃ / 135°F orange B 2.02 68℃ / 155°F red C <4.5 79℃ / 175°F yellow D 5±0.1 93℃ / 200°F green d1 5.3±0.2 141℃ / 286°F blue d2 5.3±0.3 L 24.5±0.5 l1 20±0.4 l2 19.8±0.4 Glass bulb load（N） Average Cursh load（X） 4000 lower Tolerance Limit（TL） ≥2000 Maximum clamping torque 8.0 N·cm Response time index（m*s）0.5 80＜RTI≤350 A glass sprinkler bulb is the most reliable and economic device used to ac... -
New Fashion Design for Zstm B-15 - Fusible alloy/Sprinkler bulb ESFR sprinkler heads – Zhurong
Model ESFR-202/68℃ P ESFR-202/68℃ U ESFR-202/74℃ P ESFR-202/74℃ U ESFR-242/74℃ P ESFR-242/74℃ U ESFR-323/74℃ P ESFR-323/74℃ U ESFR-363/74℃ P ESFR-363/74℃ U Mounting Pendent Upright Pendent Upright Pendent Upright Pendent Upright Pendent Upright Flow Characteristics 202 202 242 323 363 Thread Size R₂ 3/4 R₂ 1 Nominal action temperature 68℃ 74℃ Nominal Working Pressure 1.2MPa Factory test pressure 3.4MPa Background – History In the 1980s, early suppression, fast response (ESFR... -
Factory wholesale Fire Sprinkler Head Parts - ZSTM B water curtain sprinkler – Zhurong
Model ZSTM B-15 ZSTM B-20 ZSTM B-25 Flow Characteristics 15 20 25 Thread Size R₂ 1/2 Nominal Working Pressure 0.1MPa Injection Angle(°) 120 The water curtain sprinkler is a spraying device fixed in the pipeline of the water curtain system, which is used to continuously spray water to form a water curtain, protect the surface threatened by fire and form a fire separation. Water curtain sprinkler is mainly used for fire-proof partition, fire-proof zoning and local cooling. It ... -
Leading Manufacturer for Mist Sprayer - Fusible alloy/Sprinkler bulb ESFR sprinkler heads – Zhurong
Model ESFR-202/68℃ P ESFR-202/68℃ U ESFR-202/74℃ P ESFR-202/74℃ U ESFR-242/74℃ P ESFR-242/74℃ U ESFR-323/74℃ P ESFR-323/74℃ U ESFR-363/74℃ P ESFR-363/74℃ U Mounting Pendent Upright Pendent Upright Pendent Upright Pendent Upright Pendent Upright Flow Characteristics 202 202 242 323 363 Thread Size R₂ 3/4 R₂ 1 Nominal action temperature 68℃ 74℃ Nominal Working Pressure 1.2MPa Factory test pressure 3.4MPa Background – History In the 1980s, early suppression, fast response (ESFR... -
Fire Hose Heads ZSTX 15-68℃ Pendent Chrome plated Fire sprinkler heads – Zhurong
Fire Sprinkler Type Pendent Material Brass Nominal diameter(mm) DN15 or DN20 K factor 5.6(80) OR 8.0(115) Rated Working Pressure 1.2MPa Testing pressure 3.0MPa holding pressure for 3min Sprinkler Bulb Standard response Temperature rating 68℃（155℉） What is a pendent sprinkler head? A pendent (sometimes spelled “pendant”) fire sprinkler hangs from above-ceiling pipes and distributes water in a domed or conical pattern using a convex deflector. Unlike conce... -
Manufacturer of Automatic Fire Sprinkler Nozzle - ZSTM B water curtain sprinkler – Zhurong
Model ZSTM B-15 ZSTM B-20 ZSTM B-25 Flow Characteristics 15 20 25 Thread Size R₂ 1/2 Nominal Working Pressure 0.1MPa Injection Angle(°) 120 The water curtain sprinkler is a spraying device fixed in the pipeline of the water curtain system, which is used to continuously spray water to form a water curtain, protect the surface threatened by fire and form a fire separation. Water curtain sprinkler is mainly used for fire-proof partition, fire-proof zoning and local cooling. It ... -
Reliable Supplier Dry Type Pendant Sprinkler Fire - ZSTM B water curtain sprinkler – Zhurong
Model ZSTM B-15 ZSTM B-20 ZSTM B-25 Flow Characteristics 15 20 25 Thread Size R₂ 1/2 Nominal Working Pressure 0.1MPa Injection Angle(°) 120 The water curtain sprinkler is a spraying device fixed in the pipeline of the water curtain system, which is used to continuously spray water to form a water curtain, protect the surface threatened by fire and form a fire separation. Water curtain sprinkler is mainly used for fire-proof partition, fire-proof zoning and local cooling. It ... -
Hot-selling Sprinkler Antincendio - ZSTM B water curtain sprinkler – Zhurong
Model ZSTM B-15 ZSTM B-20 ZSTM B-25 Flow Characteristics 15 20 25 Thread Size R₂ 1/2 Nominal Working Pressure 0.1MPa Injection Angle(°) 120 The water curtain sprinkler is a spraying device fixed in the pipeline of the water curtain system, which is used to continuously spray water to form a water curtain, protect the surface threatened by fire and form a fire separation. Water curtain sprinkler is mainly used for fire-proof partition, fire-proof zoning and local cooling. It ... -
Factory Promotional Fire Fighting Sprinkler - ZSTM B water curtain sprinkler – Zhurong
Model ZSTM B-15 ZSTM B-20 ZSTM B-25 Flow Characteristics 15 20 25 Thread Size R₂ 1/2 Nominal Working Pressure 0.1MPa Injection Angle(°) 120 The water curtain sprinkler is a spraying device fixed in the pipeline of the water curtain system, which is used to continuously spray water to form a water curtain, protect the surface threatened by fire and form a fire separation. Water curtain sprinkler is mainly used for fire-proof partition, fire-proof zoning and local cooling. It ... -
Fire Fighting Water Mist System ZSTX 15-79℃ Upright Acid-washed Fire sprinkler heads – Zhurong
Fire Sprinkler Type Upright Material Brass Nominal diameter(mm) DN15 or DN20 K factor 5.6(80) OR 8.0(115) Rated Working Pressure 1.2MPa Testing pressure 3.0MPa holding pressure for 3min Sprinkler Bulb Special response Temperature rating 79℃（174℉） What is an upright sprinkler head? Upright fire sprinklers spray water upward to a concave deflector, producing a dome-shaped spray pattern. They install deflector-up to cover specific areas and to prevent ice and debris fro... -
Wholesale Price Single Outlet Drencher Spray Nozzle - Fusible alloy/Sprinkler bulb ESFR sprinkler heads – Zhurong
Model ESFR-202/68℃ P ESFR-202/68℃ U ESFR-202/74℃ P ESFR-202/74℃ U ESFR-242/74℃ P ESFR-242/74℃ U ESFR-323/74℃ P ESFR-323/74℃ U ESFR-363/74℃ P ESFR-363/74℃ U Mounting Pendent Upright Pendent Upright Pendent Upright Pendent Upright Pendent Upright Flow Characteristics 202 202 242 323 363 Thread Size R₂ 3/4 R₂ 1 Nominal action temperature 68℃ 74℃ Nominal Working Pressure 1.2MPa Factory test pressure 3.4MPa Background – History In the 1980s, early suppression, fast response (ESFR... -
China Manufacturer for Impact Fire Sprinkler - ZSTM B water curtain sprinkler – Zhurong
Model ZSTM B-15 ZSTM B-20 ZSTM B-25 Flow Characteristics 15 20 25 Thread Size R₂ 1/2 Nominal Working Pressure 0.1MPa Injection Angle(°) 120 The water curtain sprinkler is a spraying device fixed in the pipeline of the water curtain system, which is used to continuously spray water to form a water curtain, protect the surface threatened by fire and form a fire separation. Water curtain sprinkler is mainly used for fire-proof partition, fire-proof zoning and local cooling. It ...