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water curtain fire sprinkler
| Model No. : | ZSTM |
|---|---|
| Brand Name : | FRD |
Product description
| Type | Upright | Pendent | Sidewall | Common | Concealed | ESFR | |||||
| Model | ZSTZ | ZSTX | ZSTBS | ZSTP | ZSTDY | ZSTY | |||||
| Nominal Diameter(mm) | DN15 | DN20 | DN15 | DN20 | DN15 | DN20 | DN15 | DN20 | DN15 | DN20 | DN20 |
| Connecting Threaded(Inch) | 1/2" | 3/4" | 1/2" | 3/4" | 1/2" | 3/4" | 1/2" | 3/4" | 1/2" | 3/4" | 3/4" |
| Flux Coefficient | 80 | 115 | 80 | 115 | 80 | 115 | 80 | 115 | 80 | 115 | 11 |
Type | Upright | Pendent | Upright | Pendent |
Model | ESFR-363/74℃ U | ESFR-363/74℃ P | ESFR-242/74℃ U | ESFR-242/74℃ P |
| Nominal Diameter (mm) | DN25(1") | DN25(1") | DN20(3/4") | DN20(3/4") |
Connecting Thread (Inch) | R1" | R1" | R3/4" | R3/4" |
| K-Factor | 363(25.4 @US) | 363(25.4 @US) | 242(16.8@US) | 242(16.8@US) |
Response element and temperature | Fusible alloy @ 74 ℃ | Fusible alloy @ 74 ℃ | Fusible alloy @ 74 ℃ | Fusible alloy @ 74 ℃ |
Working pressure range | 0.1-1.2Mpa | 0.1-1.2Mpa | 0.1-1.2Mpa | 0.1-1.2Mpa |
Max working pressure | 1.2 Mpa | 1.2 Mpa | 1.2 Mpa | 1.2 Mpa |
| Maximum Ceiling Temperature | Temperature Rating | Temperature Classification | Color Code (with Fusible Link) | Liquid Alcohol in Glass Bulb Color |
| 100°F / 38°C | 135-170°F / 57-77°C | Ordinary | Uncolored or Black | Orange (135°F / 57°C) or Red (155°F / 68°C) |
| 150°F / 66°C | 175-225°F / 79-107°C | Intermediate | White | Yellow (175°F / 79°C) or Green (200°F / 93°C) |
| 225°F / 107°C | 250-300°F / 121-149°C | High | Blue | Blue |
| 300°F / 149°C | 325-375°F / 163-191°C | Extra High | Red | Purple |
| 375°F / 191°C | 400-475°F / 204-246°C | Very Extra High | Green | Black |
| 475°F / 246°C | 500-575°F / 260-302°C | Ultra High | Orange | Black |
| 625°F / 329°C | 650°F / 343°C | Ultra High | Orange | Black |
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