Featured

  • Wholesale Dealers of Thermo Bulbs - 3mm Fast response sprinkler bulbs – Zhurong

    Wholesale Dealers of Thermo Bulbs - 3mm Fast response sprinkler bulbs – Zhurong

    Size(mm) Temperature Rating (℃/°F) Color A 2.4 68℃ / 155°F red B 1.5 79℃ / 175°F yellow C <4.2 93℃ / 200°F green D 3±0.1 141℃ / 286°F blue d1 3.5±0.4 d2 3.5±0.3 L 23±0.5 l1 20±0.4 l2 19.8±0.4 Glass bulb load(N) Average Cursh load(X) 3600 lower Tolerance Limit(TL) ≥1600 aximum clamping torque 6.5 N·cm Response time index(m*s)0.5 RTI≤50   The printed text on 3mm sprinkler bulb is “ZJCY”. Compared with 5mm sprinkler bulb, its r...
  • New Arrival China Early Suppression - Fusible alloy/Sprinkler bulb ESFR sprinkler heads – Zhurong

    New Arrival China Early Suppression - 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...
  • Plastic Fire Product ZSTX 15-79℃ Upright Acid-washed Fire sprinkler heads – Zhurong

    Plastic Fire Product 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...
  • Factory best selling Fire Fighting Water Pendent Sprinkler - ZSTM B water curtain sprinkler – Zhurong

    Factory best selling Fire Fighting Water Pendent 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 ...
  • OEM Factory for 1/2\\\\\\\” Brass Fire Sprinkler System Column - ZSTM B water curtain sprinkler – Zhurong

    OEM Factory for 1/2\\\\\\\” Brass Fire Sprinkler System Column - 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 made hot-sale Pendent Spray Fire Sprinkler Head - ZSTM B water curtain sprinkler – Zhurong

    Factory made hot-sale Pendent Spray Fire Sprinkler Head - 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 ...
  • Cheap price Fire Sprinklers - ZSTM B water curtain sprinkler – Zhurong

    Cheap price Fire Sprinklers - 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 ...
  • Cheap PriceList for Fire Sprinkler With Glass Ball. - ZSTM B water curtain sprinkler – Zhurong

    Cheap PriceList for Fire Sprinkler With Glass Ball. - 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 ...
  • Super Purchasing for Drencher Spray Nozzle - Fusible alloy/Sprinkler bulb ESFR sprinkler heads – Zhurong

    Super Purchasing for 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...
  • Manufacturing Companies for Sprinkler Head - ZSTM B water curtain sprinkler – Zhurong

    Manufacturing Companies for Sprinkler Head - 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 ...
  • 8 Year Exporter Automatic Fire Extinguisher Sprinkler Valvece - ZSTM B water curtain sprinkler – Zhurong

    8 Year Exporter Automatic Fire Extinguisher Sprinkler Valvece - 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 Production Special response fire sprinkler heads – Zhurong

    Fire Fighting Production Special response fire sprinkler heads – Zhurong

    Product support customized Automatic sprinkler system is one of the fixed fire extinguishing systems with the most extensive application and the highest fire extinguishing efficiency. The automatic sprinkler system is composed of sprinkler head, alarm valve group, water flow alarm device (water flow indicator or pressure switch), pipeline and water supply facilities, and can spray water in case of fire. It is composed of wet alarm valve group, closed sprinkler, water flow indicator, control v...