Rock Solid Heavy Duty Early Suppression Rapid Response Fire Sprinkler Nozzle Built Tough With Fusible Alloy And All Copper For Upright Or Pendent Setup At 68 Degrees Celsius Delivers Top Shelf Industrial Coverage

ESFR Fire Sprinkler Nozzle Fast Response Upright Design
✔️ All copper housing DN20mm 15/16 inch fitting 68C link rapid actua

This single early suppression rapid response sprinkler head triggers fast on sudden heat waves in warehouses or big box stores. The solid copper shell handles steady water push while the thermal sensor breaks down instantly to flood low and medium risk zones with targeted streams.

✅ Discharge coefficient rated at twenty point two for wide coverage area
✅ Maximum working limit sits at one six MPa under normal duty
✅ R3/4 19mm threaded port mates smoothly with standard iron supply lines
✅ Internal seal stays tight until ambient air reaches sixty eight°

💡 What makes an ESFR fire suppression nozzle handy for heavy duty commercial racks?
These rapid action heads stay handy because they pump liquid straight down through thick smoke layers before flames get room to grow.
- High flow discharge curves push water faster than basic drip patterns
- Heat sensitive metal cores snap open right when temperatures spike
- Threaded mounts lock secure onto ceiling drops without wiggling loose

✝️