Flow Settings:
The flow rate can be set through an easy grip ring featuring preset positions. The flow ring has a raised lug to identify the maximum flow setting in low visibility conditions. The FLUSH mode is used to ensure that any debris is flus- hed from the nozzle to avoid pattern disrup- tions or flow reductions.
Stream Pattern:
The nozzle stream is adjusted by rotating the bumper giving the firefighter the widest fog pattern (Full Fog – Protection) to the na- rrowest fog pattern (Narrow Fog and Straight Stream). The bumper has a raised lug to iden- tify the Narrow Fog in low visibility conditions. The VIPER BLUE DEVIL series comes standard with the innovative patented fog pattern ca- lled RYLSTATIC®. RYLSTATIC® is a system that gives you a uniform water fog with smaller water droplets and less friction loss than other traditional systems. VIPER BLUE DEVIL nozzles have been designed to offer a broa- der fog shield of protection to the firefighters. Traditional spinning teeth are available as an option on all VIPER BLUE DEVIL nozzles.
Shut Off Valve:
The valve has a dual seat and dual driven shaft to offer better performance against water hammers and to enhance its durability. The valve itself is a low maintenance product with a stainless steel ball valve (except for the 2 1⁄2” size which utilizes a highly engineered poly- mer resin ball) operated through an OPEN/ CLOSE handle. The operation is smooth and constant allowing firefighters to open and clo- se the valve easily.
Stainless Steel Inlet Screen:
A stainless steel screen is mounted within the inlet to prevent materials from entering the nozzle, which reduces the risk of damage or failure during operation.