916 PACIFIC AVE BASE FILE 2025-07-15

c Z /ANVIL FLEXHEAD Flexible Sprinkler Connections FRICTION LOSS DATA & SPECIFICATIONS [Bend nimum Max.NjBends Equivalent Length of 1 in.Schedule 40 Pie(Ft.) Max.Rated Model Outlet :Hose Radius of 90° q g p Working Pressure Orifice Number Size UL UL FM FM UL 5.6 k-Factor 8.0 k-Factor 11.2 k-Factor 14.0 k-Factor 16.8 k-Factor 22.4 k-FactorIn./cm. m.ln./mm.ln./mm. FtJrn. I Ft./m. I Ft./m. I FtJrn. I FtJrn. I FUrn. PSI/Kpa PSI/Kpa Flexhead Diameter RD) 20241 24 3 1 11 18.4 610 1 3.4 5.6 20361 36 3 3 16 26.6 914 4.9 8.1 20481 1/248 8 3 4 4 24 30.3 _ 175 175 1.27 1219 200 76.2 7.3 9.2 1205 1205 20601 60 4 4 29 35.8 1524 8.8 10.9 20721 72 4 4 35 45.6 1828 10.7 13.9 20241 24 3 1 12 - - - 11.6 - - 610 3.7 3.5 36 18 16 20361 914 3 2 5.5 - - - 4.9 - 20481 1/4 48 8 3 4 3 23 _ _ _ 17.9 _ _ 175 175 1.90 1219 200 76.2 7.0 5.4 1205 1205 20601 60 4 4 29 _ _ _ 24.7 _ 1524 8.8 1.5 20121 M4 4 _ _ _ 28.9 9.8 8.8 Flexhead Institutional for use with Amerlux Ceilin System-I"Internal Diameter(I.D)Hose Series 20241A 24 - 1 11 _ 18.4 610 3.4 5.6 20361A 36 - 2 16 - 26.6 - - - - 914 4.9 8.1 20481A 1175 1/2 1289 200 - - 3 4 823 - 30.3 - - - - 175 1205 60 29 35.8 20601A 1524 - 4 8.8 - 10.9 - - - - 20721A 72 _ 4 35 _ 45.6 1828 10.7 13.9 NOTES: Model Numbers: • "SF"designates SuperFlex7'Hose series. • "ESF"designates SuperFlex"Elbow Hose series. • "E"designates elbow drop hose series • "T"designates straight tall style hose • "ET"designates elbow tall style hose series. • "H"designates high pressure 300psi working pressure hose series. • "HE"designates high pressure 300psi elbow hose series. • "DPS"designates dry pendant system. • "DT"designates drain tee hose series used in dry pendent/freezer application. • "DPS"and"DT"models are approved for use in cold storage application(Freezer,Cold Chamber)and combine an approved flexible sprinkler hose and an approved dry pendent sprinkler.UHO-1 or UHO-3 is required to connect the flexible sprinkler hose to the dry sprinkler. • "I"indicates instiutional flexible hose. • "A"indicates models for use with Amerlux Ceiling System. • "50"designates '/2"Outlet Hose series.The"75"designates 1/4"Outlet Hose series.Inlet size 1". • Max Ambient Temperature Rating on all model numbers are 300`F(148`C). • Equivalent lengths are shown with maximum number of 90`bends at the minimum bend radius per agency.2-45°or 3-30°bend equal 1-90°bend.Different values were obtained by FM and UL due to the difference in minimum bend radius,testing protocol and calculation methods.Please see individual standards for more information relative to Friction Loss (equivalent length of pipe). • All hoses require a minimum of one bend for installation.Bend radius tool available for 3"bend"T"hose,"SF"hose does not require bend radius tool. • FM equivalent length calculation includes Sprinkler Head Friction Loss. • See listing(s)approval agency for the latest approval details. FP-6.18