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  • Factory Cheap Hot 5mm 79℃ Bulb - sprinkler bulbs customized ( length, logo, temperature ) – Zhurong

    Factory Cheap Hot 5mm 79℃ Bulb - sprinkler bulbs customized ( length, logo, temperature ) – 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 As a professional sprinkler bulb manufacturer, MH has its own special R &amp;...
  • Trending Products Water Nozzle - Fusible alloy/Sprinkler bulb ESFR sprinkler heads – Zhurong

    Trending Products Water 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...
  • Hot-selling Fire Sprinkler System - ZSTM B water curtain sprinkler – Zhurong

    Hot-selling Fire Sprinkler System - 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 directly Pendent Fire Sprinkler - ZSTM B water curtain sprinkler – Zhurong

    Factory directly Pendent 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 ...
  • Factory wholesale Fire Sprinklers For Building Projects - ZSTM B water curtain sprinkler – Zhurong

    Factory wholesale Fire Sprinklers For Building Projects - 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 directly Pendent Fire Sprinkler - ZSTM B water curtain sprinkler – Zhurong

    Factory directly Pendent 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 ...
  • 2022 New Style Zstx80-57℃ - Fusible alloy/Sprinkler bulb ESFR sprinkler heads – Zhurong

    2022 New Style Zstx80-57℃ - 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 Fighting Eqiupment ZSTX 15-79℃ Upright Acid-washed Fire sprinkler heads – Zhurong

    Fire Fighting Eqiupment 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...
  • Super Purchasing for Micro Misting Nozzle - Fusible alloy/Sprinkler bulb ESFR sprinkler heads – Zhurong

    Super Purchasing for Micro Misting 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...
  • 100% Original Fire Sprinkler Systems - ZSTM B water curtain sprinkler – Zhurong

    100% Original Fire Sprinkler Systems - 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 Stock Fire Sprinkler - ZSTM B water curtain sprinkler – Zhurong

    8 Year Exporter Stock 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 ...
  • OEM Factory for Foam Water Dual Sprinkler - ZSTM B water curtain sprinkler – Zhurong

    OEM Factory for Foam Water Dual 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 ...