Operating range

Temperature:
t = -20 °C ... +140 °C (-4 °F ... +284 °F)
(180 °C (356 °F) with Kalrez® elastomers)
Pressure:
p1 ... 25 bar (363 PSI), p3 <12 bar (174 PSI)
Sliding velocity: vg ... 20 m/s (66 ft/s)
Stock content: <8 %

Non-flow operation:
Temperature:
t = +5 °C ... +100 °C (+41 °F ... +212 °F)
Pressure:
p1 max. 10 bar (145 PSI), p3 > p1
Sliding velocity: vg <10 m/s (33 ft/s)

Materials

Seal face: Silicon carbide (Q12), Carbon (A)
Secondary seals: FKM (V), EPDM (E), FFKM (K)
Metal parts: CrNiMo steel (G),
Grade 5A (4T), SMO 654 (4U)