SINCO FIRE AND SECURITY CO., LIMITED  

Product Name: Pendent Type Water Curtain Sprinkler Model NO.: ZSTM Nozzle Flow Coefficient: 16/21/27/34/42/53/68 L/Min Open Fire Sprinkler System Type: Drencher System Automatically Opened and Closed Repeatedly: Can't Automatically Opened and Closed Sprinkler Head Type: Open Sprinkler Installation: Pendent/Sidewall Norminal Diameter: 15mm/20mm/25mm Material: Brass/Stainless Steel Surface Finish: Chrome Working Pressure: 0.35MPa Flow Coefficient: 21/42/18/28/45/90/140/40/45/60 L/Min Spray Angle: 140