The BLAZE BL 5639 (Standard Response) and BL 5640 (Quick Response) models are K5.6 conventional fire sprinklers manufactured in accordance with UL 199 standards. Available in both Standard Response and Quick Response configurations, these sprinklers can be installed in either upright or pendent orientations, providing flexibility for a wide range of fire protection system layouts. Designed to deliver balanced water distribution with enhanced ceiling wetting, they help minimise the effects of obstructions and are approved for use in hydraulically calculated fire protection systems compliant with NFPA 13.
| Model Number | BL 5639, BL 5640 |
|---|---|
| Approvals | UL Listed |
| K-Factor | 5.6 (80) |
| Nominal Thread Size | 1/2" NPT |
| Maximum Tightening Torque | 21 ft-lbs (28.6 Nm) |
| Working Pressure | PN 12 |
| Factory Hydrostatic Test | 100% tested at 500 PSI (34.50 Bar) |
| Max temperature | 57°C – 182°C (BL 5639) 57°C – 141°C (BL 5640) |
Engineered for dependable flow control and long-term operation.
Manufactured to meet recognised quality and performance standards.
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