Min. Order Reference FOB Price
2000 Pieces US$0.295-1.00 / Piece
Product Description
1.General Description ESFR (Early Suppression Fast Response) sprinkler systems are designed to achieve fire suppression for a specific type of storage occupancy before the fire becomes fully developed. ESFR heads vary with K-factors of 11.2, 14.0, 16.8 ,22.4 and 25.2 with as well as pressures of 50 ...