Shaft diameter:
d1 = 25 … 80 mm (1″ … 3.15″)
Seal Temperature:
t* = –40 °C … +220 °C (–40 °F … + 428 °F)
Seal Pressure: p1 = 25 bar (232 PSI)
Sliding velocity: vg = 20 m/s (66 ft/s)Barrier fluid circulation system:
p3max = 16 bar (232 PSI)
Δp (p3–p1) ideal = 2 … 3 bar (29 … 44 PSI)
Δp (p3–p1) max.
= 10 bar (145 PSI) at <120 °C (<248 °F)
= 5 bar (73 PSI) at ≤ 220 °C (≤232 °F)API Plan 52 (53/54)
Pump startup:
Δp (p3–p1) max.16 bar (232 PSI) allowed
* Operating limits of O-Rings to be observed
