The ZSTBZ15 Vertical Sidewall Sprinkler is designed for precise wall-mounted fire protection, commonly used in confined or uniquely shaped areas such as tunnels and storage bays. Available in both 5.6 and 8.0 K-factor variants, it ensures flexibility in hydraulic design while maintaining reliable activation with its thermosensitive bulb mechanism.
Vertical sidewall sprinkler with 5.6 & 8.0 K-factor options for directional wall-mounted fire coverage.
• K Factor: K 5.6 @ US (80@Metric), K 8.0 @ US (115@Metric)
• Thread Size: DN15 (1/2"), DN20 (3/4")
• Connecting Thread: BSP (NPT Optional)
• Main Material: Brass
• Sensitive Element: YF Brand Glass Bulb (JOB Glass Bulb Optional)
• Seal Material: NBR (Teflon Optional)
• Surface Finishing: Chrome (Natural Brass Optional)
• Thread Size: 1/2” (DN15), 3/4" (DN20)
• K-Factor: 5.6, 8.0
• Response Type: Standard & Quick
• Temperature Ratings: 57°C, 68°C, 79°C, 93°C, 141°C
• Bulb Sizes: Ø5mm (Standard), Ø3mm (Quick)
• Bulb Colors: Orange, Red, Yellow, Green, Blue
