SPIRAL N Fire Protection DESIGN FEATURES • Simplicity of design • One-piece/no internal parts • Clog-resistant • Three standard pipe sizes—1/2”, 1” and 1-1/2” • Male connection • Factory Mutual, U.S. Coast Guard, and Lloyd's Register approved models SPRAY CHARACTERISTICS • Two spray cones: an outer, wide angle cone and a narrower inner cone combine to give full cone effect Spray pattern: Full Cone Spray angles: 90° and 120° standard Flow rates: 3.0 to 534 gpm Full Cone 90° Nozzle with optional protective cover Full Cone 120° (W) Dimensions are approximate. Check with BETE for critical dimension applications. N Flow Rates and Dimensions Full Cone, Medium 90° and Wide 120° (W) Spray Angles, 1/2" to 1 1/2" Pipe Sizes Male Pipe Size GALLONS PER MINUTE @ PSI Nozzle K Number Factor 10 PSI 20 PSI 30 PSI 40 PSI 60 PSI 80 PSI 100 PSI 200 PSI 400 PSI Approx. (in.) Free Orifice Pass. Dia. Dia. TO ORDER: specify pipe size, connection type, nozzle number, spray angle, and material. N1 26 5.20 6.00 7.35 8.49 9.49 13.4 19.0 0.19 0.13 7.50 9.18 10.6 13.0 15.0 16.8 23.7 33.5 0.25 0.13 N3 2.61 8.25 11.7 14.3 16.5 20.2 23.3 26.1 36.9 52.2 0.31 0.13 3.81 12.1 17.0 20.9 24.1 29.5 34.1 38.1 53.9 76.2 0.38 0.19 5.22 16.5 23.3 28.6 33.0 40.4 46.7 52.2 73.8 104 0.43 0.19 N6 6.64 21.0 29.7 36.4 42.0 51.4 59.4 66.4 93.9 133 0.50 0.19 N6 6.64 21.0 29.7 36.4 42.0 51.4 59.4 66.4 93.9 133 0.50 0.19 N7 10.6 33.5 47.4 58.0 67.0 82.1 94.8 106 150 212 0.63 0.25 N8 15.0 47.5 67.2 82.3 95.0 116 134 150 212 300 0.75 0.25 N9 20.4 64.5 91.2 112 129 158 182 204 288 408 0.88 0.31 N10 1 1/2 4.24 5.30 N5 1 3.00 1.68 N4 1/2 0.949 N2 26.7 84.5 120 146 169 207 239 267 378 534 1.00 Approximate Dimensions Wt. (inches) (oz.) A B Metal 0.31 2.50 0.88 3.00 3.63 1.38 8.50 4.38 2.00 27.0 Flow Rate (GPM) = K √⎯⎯ ⎯ PSI ⎯ Standard Materials: Brass and 316 Stainless Steel. All N series covers are Spray angle performance varies with pressure. Contact BETE for specific data on critical applications. www.BETE.com .

Fire Protection Approved SUPERIOR PERFORMANCE CHARACTERISTICS • Sprays composed of droplets 30% to 50% smaller than conventional designs at equivalent pressures • Extraordinarily large surface area of spray enhances evaporation and cooling • Rugged, compact design • Multiple concentric cone spray, unique to spiral pattern, maximizes contact SPIRAL This BETE high-efficiency spiral was designed specifically with critical fire and explosion suppression applications in mind. These nozzles feature superior performance unequalled by traditional whirl nozzles. SUPERIOR FIRE/LOSS PREVENTION APPLICATIONS...