Extinguishant hold off/abort button, single gang
A surface or flush mounting hold or abort button designed to connect to an EP203/CON automatic extinguisher panel to provide a means of delaying or ca
Water Sprinklers
UL approved horizontal sidewall sprinklers, K5.6, ½" thread; NX021 standard and NX022 quick response.
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Overview
Product Details
UL approved TUNA standard spray horizontal sidewall sprinklers, glass-bulb types for fire sprinkler systems in commercial applications. Launched in 2019 in two response series — NX021 standard response with a 5 mm bulb and NX022 quick response with a 3 mm bulb — across a range of temperature ratings and finishes.
Specifications & features
- UL approved glass-bulb horizontal sidewall sprinklers
- NX021 standard response (Ø5 mm bulb) and NX022 quick response (Ø3 mm bulb)
- Standard spray pattern, K-factor 5.6 (US) / 80 (metric)
- ½ inch connecting thread, NPT1/2 or R1/2
- Four nominal temperature ratings: 135°F/57°C, 155°F/68°C, 175°F/79°C and 200°F/93°C
- Natural brass or chrome plated finishes
- Max working pressure 175 psig (12 bar)
- Components: deflector, set screw, glass bulb, spring seal, button and frame
Technical specification
| NX021 | NX022 | |
|---|---|---|
| Style | Horizontal sidewall sprinkler | Horizontal sidewall sprinkler |
| Bulb Nominal Dia. & Response | Ø5 mm, standard response | Ø3 mm, quick response |
| Thread Size | NPT1/2 or R1/2 | NPT1/2 or R1/2 |
| Nominal Orifice Size | 1/2 inch | 1/2 inch |
| Nominal K-Factor | 5.6 (U.S.) / 80 (metric) | 5.6 (U.S.) / 80 (metric) |
| Max. Working Pressure | 175 psig / 1.2 MPa (12 bar) | 175 psig / 1.2 MPa (12 bar) |
| Sprinkler Finish | Natural brass or chrome plated | Natural brass or chrome plated |
| Nominal Temp. Rating | 135°F/57°C, 155°F/68°C, 175°F/79°C or 200°F/93°C | 135°F/57°C, 155°F/68°C, 175°F/79°C or 200°F/93°C |
| Max. Ambient Temp. | 135°F, 155°F: 100°F (38°C); 175°F, 200°F: 150°F (65°C) | 135°F, 155°F: 100°F (38°C); 175°F, 200°F: 150°F (65°C) |
| Listings and Approvals | UL | UL |
Approvals & certifications
UL
Model: NX021 / NX022
