STYLE VS2 STANDARD COVERAGE SPRINKLER › The only flexible UL Listed K5.6 Standard Coverage Sprinkler requiring NO equivalent length hydraulic calculation Hard Pipe, Elbows and K5.6 Sprinkler Calculate Must account for the frictional resistance of the pipe and fittings. Total Equivalent Length of 1 " Sch. 40 Pipe 14 ft SCAN TO LEARN MORE © 2022 VICTAULIC COMPANY. ALL RIGHTS RESERVED. Series AH2-CC Hose and K5.6 Sprinkler Calculate Must account for the frictional resistance of the flexible hose. Total Equivalent Length of 1 " Sch. 40 Pipe 30 ft Total Equivalent Length of 1 " Sch. 40 Pipe N/A Style VS2 Standard Coverage K5.6 Sprinkler No equivalent length of pipe to calculate.