ASA/ANSI Fixed Flange Flat, DN1-ASA (4.25" OD), ID 1.01, Bore 0.875, 304SS

An ASA Fixed Flange is a one-piece design that has a comes in both bored and blank and come with a set bolt hole orientation. All ASA flange styles have: 1 smooth flange, and 1 grooved flange. ASA Flanges are manufactured from 304 stainless steel and can withstand a vacuum environment of 1x10-7 torr.
Flange Size: ASA-1
Flange OD (in) : 4.25
Bore (In) : 0.875
Tube ID (in) : 1.01
Flange Height (in) : 0.50
Bolt Hole Diameter (in) : 3.13
Number of Bolt Holes : 4
Bolt Hole Circle Diameter (in) : 0.625
Material: 304SS