The DustBoss DB-R is available in five standard sizes, from 17 in. (43.2 cm) to 100 in. (254 cm) in diameter. All five can be customized with DCT’s Variable Particle Sizing technology, allowing cus-tomers to specify different droplet size ranges to match specific materials. Designed without any moving parts, the intrinsically safe DB-R is intended for ele-vated mounting. It requires no electrical power or compressed air. The water sup-ply hose is connected directly to male pipe threads on the ring: ¾-in. NPT for the 17-in. model, and 1-in. NPT for the three intermediate sizes: 22.5 in. (57.2 cm), 25.5 in. (64.8 cm) and 42 in. (106.7 cm). For large applications, the company also offers the 100-in. diameter model, which is supplied by a 1.5-in. NPT hose.

Available options for the DB-R include a booster pump to elevate low water pres-sures, a variety of nozzle sizes and con-figurations, and a water filter. Customers can also order the units with a two-way valve and/or hose included.

The number and size of the spray noz-zles vary by model. The smallest model features 30 brass nozzles that produce 3.25 gallons per minute (gpm) of water flow. The 22.5-in. unit is designed with 18 medium-flow nozzles, with a water usage of 11.34 gpm. The 22.5- and 42-in. mod-els feature 30 high-flow nozzles that deliv-er 18.9 gpm, and the 100-in. size employs 84 nozzles for 52.9 gpm of water delivery.

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