*Features
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API 682 Category 2 und 3, Type A, Arrangement 2 seal
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Dual seal in face-to-back arrangement
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Cartridge unit
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Rotating multiple springs
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Dry non-contact outer seal (containment seal)
*Operating range
Shaft diameter:
d1 = 20 … 110 mm (0.79" … 4.33")
Pressure: p1 = 20 bar (290 PSI)
Temperature:
t = -40 °C … +176 °C (-40 °F … +350 °F)
Sliding velocity:
vg = 4 … 23 m/s (13 … 76 ft/s)
Axial movement:
±1.0 mm
*Materials
Seal rings:
Blister resistant carbon
Mating rings:
Silicon carbide SSiC (Q1), RBSiC (Q2)
Secondary seals:
EPDM (E), NBR (P), FKM (V), FFKM (K)
Springs:
Hastelloy® C-4 (M)* and C-276 (M5)
Metal parts:
CrNiMo steel 316 (G) or equivalent, optional materials on request.
