| Seal Material | FPM(FKM) |
| FNRL 16/50 / 25/100 Specs | Vacuum connection 16 / 25 ISO-KF / stroke 50.0 / 100.0 mm / shaft load radial 10 / 15 N, torsion 2 / 8 Nm / static tightness 1 x 10⁻⁹ mbar x l/s / operating pressure 1 x 10⁻⁸ mbar to 1 bar (absolute) / max. operating temperature 50 ℃ / bakeout 110 ℃ / wetted materials stainless steel, aluminum, FPM (FKM) / weight 0.1 / 0.2 kg |