ANSI B16.5 Flanges: 1/2" - 42" (74" maximum outside diameter), 150# - 2500#
Navy Flanges: MIL-F-20670 150#, MIL-F-20042 250# any material
Round part capabilities: 1/2" diameter to 74" diameter
Non-round part capabilities: 40" x 20" x 20" tall
Specialty Flange Facing: RTJ, Large and Small Male and Female, Tongue and Groove,  125 RMS finishes
Specialty Flanges in addition to ANSI B16.5: ring flanges, plate blinds, orifice flange sets, navy flanges MIL-F-18180, hydraulic square flanges, specialty flanges up to 72" diameter
Materials: Carbon steel, stainless steel (all grades), copper-nickle 90/10, copper-nickle 70/30, monel, inconel, hastelloy, aluminum, A182-F11, A182-F22, A350-LF2, A550

Use these two pages to help you identify the type of ANSI flange that you have
flange_id_by_drilling_pg1.pdf
File Size: 265 kb
File Type: pdf
Download File
flange_id_by_drilling_pg2.pdf
File Size: 221 kb
File Type: pdf
Download File

About Piping Supplies Inc
Piping Supplies was started in the1960’s by Joe Walker manufacturing primarily high pressure pipe flanges. The company diversified in the 1970’s to include specialty manufactured products for the nuclear power industry. Piping Supplies diversified again in the 1980’s and 1990's with high precision CNC machinery producing specialty material and specially designed piping products for the navy as well as commercial pipe fittings which has always been at its roots.