2" Type A / B (A-A-59326) vs 2-1/2-8NPSH: specs compared
Updated 05 September 2026.
72.16 mm
2-1/2-8NPSH wins on major diameter
On major diameter, 2-1/2-8NPSH leads: 72.16 mm versus 63 mm.
| Spec | 2" Type A / B (A-A-59326) | 2-1/2-8NPSH |
|---|---|---|
| Designation | 2" Type A / B (A-A-59326) | 2-1/2-8NPSH |
| Major diameter | 63.0 mm | 72.16 mm |
| Threads per inch / pitch | n/a (lever cam) | 8 |
| Thread form | cam-and-groove, no thread | straight (parallel), 60 degree |
| Seals on | gasket compressed by the cam arms | gasket in the coupling |
Questions and answers
Which has the higher major diameter, 2" Type A / B (A-A-59326) or 2-1/2-8NPSH?
On major diameter, 2-1/2-8NPSH leads: 72.16 mm versus 63 mm.
How do 2" Type A / B (A-A-59326) and 2-1/2-8NPSH compare?
On major diameter, 2-1/2-8NPSH leads: 72.16 mm versus 63 mm.