| Seal Material | FPM(FKM) |
| FR 25/50 N / FR 63/100 N Specs | Connection 25 ISO-KF / 63 ISO-K, shaft connection dia. 8 (0.31) / dia. 20 (0.79) mm (in.), transmittable torque 6 / 100 Nm, rotational speed 1000 / 500 1/min, static tightness 1 x 10⁻⁹ mbar x l/s, pressure (absolute) 1 x 10⁻⁹ mbar to 1 bar, operating temperature max. 50 (122) °C (°F), bakeout 110 (230) °C (°F), wetted materials stainless steel, aluminum, FPM (FKM), weight 0.2 (0.44) / 2 (4.42) kg (lbs) |