Ideal Vacuum | ASA 11.0 / ANSI 6 Blank Flange, with O-Ring Groove, Not Bored, Not Rotatable, 11 in OD, 9.5 in BCD, Eight 0.81 in ID Bolt Holes, 304 Stainless Steel
Brennan Flange O-Ring O-Rings and Seals 4005
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
O-Ring Flange Pad - Code 61
Seals Eastern - Flange Seal O-ring Design Guideline
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 11.0 / ANSI 6 Bored Flange, with O-Ring Groove, Not Rotatable, 11 in OD, 9.5 in BCD, Eight 0.81 in ID Bolt Holes, 304 Stainless Steel
O-Ring Flange (3" Series)
O-Ring Flange (6" Series)
ASME B16.4 Tdw Lock O Ring Flange - China Tdw Lock O Ring Flange, Lock O Ring Flange | Made-in-China.com