K5.6 dry quick response HSW sprinkler is mainly used to protect areas subject to freezing temperatures. The sprinkler is secured in an extension nipple that has a seal at the inlet end to prevent water from entering the nipple until the sprinkler operates.
Available size
| Type | Temperature rating | Working pressure (psi) | Ref. No. |
|---|---|---|---|
| Dry horizontal sidewall | 135°F (57°C) | 175 | S4901 |
| Dry horizontal sidewall | 155°F (68°C) | 175 | S4902 |
| Dry horizontal sidewall | 200°F (93°C) | 175 | S4903 |
| Dry horizontal sidewall | 286°F (141°C) | 175 | S4904 |
| Dry recessed horizontal sidewall | 135°F (57°C) | 175 | S4905 |
| Dry recessed horizontal sidewall | 155°F (68°C) | 175 | S4906 |
| Dry recessed horizontal sidewall | 200°F (93°C) | 175 | S4907 |
| Dry recessed horizontal sidewall | 286°F (141°C) | 175 | S4908 (UL) |
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