Valvula papilionis typi U
Valvula papilionis typi U, tegumentum e gummi, PN25, PN16, PN10
Pressio: PN25 PN16 PN10
Magnitudo: 2"-48" / 40mm – 1200mm
Design vexillum: API 609, BS EN 593, GB T12238.
Dimensio faciei ad faciem: API 609, BS 5155, ISO 5752.
Perforatio flangarum: ANSI B 16.1, BS4504, DIN PN 10 / PN 16, JIS 5K, 10K, 16K.
Examen: API 598.

| Pressio Operativa | 10 bar / 16 bar / 25 bar |
| Pressio Probanda | Testa: 1.5 vicibus pressio aestimata, Sedes: 1.1 vicibus pressionis aestimatae. |
| Temperatura Operativa | -10°C ad 80°C (NBR) -10°C ad 120°C (EPDM) |
| Media Idonea | Aqua, oleum et gas. |

| Partes | Materiae |
| Corpus | Ferrum fusum, ferrum ductile, chalybs carbonicus |
| Discus | Ferrum ductile nickel / Aes aluminii / Chalybs inoxidabilis |
| Sedes | EPDM / NBR / VITON / PTFE |
| Caulis | Chalybs inoxidabilis / Chalybs carbonis |
| Buxillum | PTFE |
| Anulus "O" | PTFE |
| Capsa rotarum vermis | Ferrum fusum / Ferrum ductile |












