Operating range
Shaft diameter:
d1 = 30 … 75 mm (1,125″ … 2,625″)
(other dimensions on request)
Seal Product pressure:
p1 = max. 22 bar (319 PSI),
(dependent on shaft diameter and sliding materials)
Barrier pressure: p3 = max. 25 bar (362 PSI),
Differential pressure: Δp= min. 3 bar (44 PSI)
Seal Temperature:
t = -20 °C … +170 °C (-4 °F … +338 °F)
(dependent on resistance of O-Rings)
Sliding velocity: vg = 16 m/s (52 ft/s),
with special design max. 25 m/s (82 ft/s)
Axial movement: ±0.2 mm
GSO-DN Materials
Seal faces: Carbon graphite (A)
Seat: Silicon carbide (Q1, Q2)
Secondary seals:
FKM (V), EPDM (E), FFKM (K)
Springs: Hastelloy® C-4 (M)
Metal parts:
CrNiMo steel (G), Hastelloy® C-4 (M)
