![Ideal Vacuum | ASA 4.25 / ANSI 1 Blank Flange, with O-Ring Groove, Not Bored, Not Rotatable, 4.25 in OD, 3.125 in BCD, Four 0.625 in ID Bolt Holes, 304 Stainless Steel Ideal Vacuum | ASA 4.25 / ANSI 1 Blank Flange, with O-Ring Groove, Not Bored, Not Rotatable, 4.25 in OD, 3.125 in BCD, Four 0.625 in ID Bolt Holes, 304 Stainless Steel](https://www.idealvac.com/files/images/ASA-01-004_1.gif)
Ideal Vacuum | ASA 4.25 / ANSI 1 Blank Flange, with O-Ring Groove, Not Bored, Not Rotatable, 4.25 in OD, 3.125 in BCD, Four 0.625 in ID Bolt Holes, 304 Stainless Steel
![Ideal Vacuum | ASA 19.0 / ANSI 12 Bored Flange, with O-Ring Groove, Not Rotatable, 19 in OD, 17 in BCD, Twelve 1 in ID Bolt Holes, 304 Stainless Steel Ideal Vacuum | ASA 19.0 / ANSI 12 Bored Flange, with O-Ring Groove, Not Rotatable, 19 in OD, 17 in BCD, Twelve 1 in ID Bolt Holes, 304 Stainless Steel](https://www.idealvac.com/files/images/ASA-4-Grooved-Flange-4in-Bore_P107771_01.jpg)
Ideal Vacuum | ASA 19.0 / ANSI 12 Bored Flange, with O-Ring Groove, Not Rotatable, 19 in OD, 17 in BCD, Twelve 1 in ID Bolt Holes, 304 Stainless Steel
![Ideal Vacuum | ASA 5.0 / ANSI 1.5 Blank Rotatable Flange with O-Ring Groove, 5 in. OD, 3.875 BCD, Four 0.625 in ID Bolt Holes, 304 Stainless Steel Ideal Vacuum | ASA 5.0 / ANSI 1.5 Blank Rotatable Flange with O-Ring Groove, 5 in. OD, 3.875 BCD, Four 0.625 in ID Bolt Holes, 304 Stainless Steel](https://www.idealvac.com/files/images/150ASA-000-R-G-1.jpg)
Ideal Vacuum | ASA 5.0 / ANSI 1.5 Blank Rotatable Flange with O-Ring Groove, 5 in. OD, 3.875 BCD, Four 0.625 in ID Bolt Holes, 304 Stainless Steel
![Ideal Spectroscopy | ASA 6.0 / ANSI 2 Blank Flange, with O-Ring Groove, Not Bored, Not Rotatable, 6 in OD, 4.75 in BCD, Four 0.75 in ID Bolts Holes, 304 Stainless Steel Ideal Spectroscopy | ASA 6.0 / ANSI 2 Blank Flange, with O-Ring Groove, Not Bored, Not Rotatable, 6 in OD, 4.75 in BCD, Four 0.75 in ID Bolts Holes, 304 Stainless Steel](https://www.idealvac.com//files/images/ASA-01-034_1a.jpg)
Ideal Spectroscopy | ASA 6.0 / ANSI 2 Blank Flange, with O-Ring Groove, Not Bored, Not Rotatable, 6 in OD, 4.75 in BCD, Four 0.75 in ID Bolts Holes, 304 Stainless Steel
![Ideal Vacuum | ASA 7.5 / ANSI 3 Blank Rotatable Flange with O-Ring Groove, 7.5 in. OD, 6 BCD, Four 0.75 in ID Bolt Holes, 304 Stainless Steel Ideal Vacuum | ASA 7.5 / ANSI 3 Blank Rotatable Flange with O-Ring Groove, 7.5 in. OD, 6 BCD, Four 0.75 in ID Bolt Holes, 304 Stainless Steel](https://www.idealvac.com/files/images/300ASA-000-R-G-1.jpg)