Tubular Products

Fire Sprinkler

FLAME-OUTTM Specifications 

Nominal Pipe Size(in.)                                   3 4 6 8 10
Outside Diameter (in.) 3.500 4.500 6.625 8.625 10.75
Wall Thickness (in.) .120 .120 .134 .188 .188

EZ-FLOWTM Specifications

Nominal Pipe Size (in.)                                                           3 4 6
Outside Diameter (in.) 3.500 4.500 6.625
Wall Thickness (in.) .095 .095 .120


Northwest Pipe supplies distributors and fabricators across the United States with the FM-Approved and UL-Listed FLAME-OUTTM and EZ-FLOWTM fire sprinkler pipe products.  Contractors rely on these ASTM A795 compliant products for their long life expectancy, superior hydraulics and consistent end treatments.  These characteristics make the Schedule 10 and EZ-FLOWTM  pipe products the pipe of choice. Flame Out Web.jpg

With groove coupling compatibility with names like Victaulic, Ward, and Interfit; and welded outlet fittings from Merit and Bonney Forge, our customers know they are ordering the finest components available for high quality, dependable fire sprinkler systems.

All Northwest Pipe fire sprinkler products are listed for 300 psi working pressure with a hydrostatic test rating to 1500 psi, in accordance with NFPA 13.  With a corrosion resistance ratio equal to that of the thinnest part of a threaded Schedule 40 pipe product, our light wall pipe is both strong and long lasting.

For more information about Northwest Pipe Company's fire sprinkler pipe products, please contact Scott Smith or Kip Bartlett at 913-874-4011 or use our Sales Inquiry Form.