The TYCO FASTFLEX Flexible Sprinkler Hose is a unique sprinkler drop assembly comprised of a branchline adapter nipple, stainless steel flexible hose with two slip nuts, sprinkler reducer, and lightweight ceiling bracket components.

☆ Wet pipe, preaction, and dry pipe systems
☆ Maximum service pressure of 12 bar
☆ Maximum K80 (5.6K) for 1/2 inch NPT sprinklers or
☆ Maximum K115 (8.0K) for 3/4 inch NPT sprinklers
☆ Maximum ambient temperature of 107°C for Model YB25 and YB28
☆ Minimum ambient temperature of -40°C for Model YB25 and YB28 for use in dry pipe systems
These connections are designed for use in ceilings with grids that meet ASTM C 635 (Standard Specifi- cation for the Manufacture, Performance, and Testing of Metal Suspension Systems for Acoustical Tile and Lay-in Panel Ceilings) and ASTM C 636 (Standard Practice for Installation of Metal Ceiling Suspension Systems for Acoustical Tile and Lay-in Panels) refer- enced by IBC. The three structural classifications are the following: Intermediate-Duty Systems and Heavy- Duty Systems. These connections have been approved for use in all Intermediate-Duty and Heavy-Duty struc-
tural classifications.
☆ Minimum bend radius of 152 mm for Model YB28 or 203 mm for Model YB25
☆ FM Friction Loss for YB25 and YB28: