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specification:
(1) rated working pressure: 12 bars(1.2Mpa)
(2) airproof test pressure: 24bars(2.4Mpa)
(3) strength test pressure: 30bars(3Mpa)
(4) thread: 1/2”,3/4”
(5) large coverage glass bulb sprinkler
(6) 20mm diameter model:
| Nozzle Temperature Rating | The maximum ambient temperature | Color liquid-filled glass ball |
| 57 | 38°C | Orange |
| 68 | 38°C | Red |
| 79 | 38°C | Yellow |
| 93 | 38°C | Green |
| 141 | 38°C | Blue |

![1286589308431_hz-myalibaba-temp12_1089[2]](https://sc01.alicdn.com/kf/Hd2b998ce088b4789a055d8a577431157w.jpg)
![270760886_592[1]](https://sc01.alicdn.com/kf/Hdb5b64938c4f40b3a2be5006bb1878e13.jpg)
![270760884_257[1]](https://sc01.alicdn.com/kf/Heae564f4c80f48a09de9f963db011ba0W.jpg)


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