Size 1/2″ BSPT or NPT Open orifice design used in deluge water spray system Non-automatic fixed pattern, external deflector Solid cone discharge Several combination of different orifice sizes & spray angles Spray angle – 65°,80°,90°,100°,110°,120° & 140° Each Nozzle body permanently marked with model number, batch number, spray angle, K-factor & UL mark Finish – Brass, Bright Nickel Chrome or Natural Finish Approvals – UL Listed for all models