Valve Size
Catalog Number
Tissue Annulus Diameter (mm)
Internal Diameter (mm)
Flare Diameter (mm)
Sewing Ring Diameter1 (mm)
Overall Height (mm)
Orifice Height (mm)
Internal Orifice Area (cm2)
19
ONXA-19 / ONXAE-19
17.4
20.1
23
13.3
10.8
2.28
21
ONXA-21 / ONXAE-21
19.4
22.2
26
14.7
11.9
2.84
ONXA-23 / ONXAE-23
21.4
24.3
29
16.1
13.1
3.44
25
ONXA-25 / ONXAE-25
23.4
26.4
32
17.8
14.2
4.11
27/29
ONXA-27/29 / ONXAE-27/29
27-29
34