*Features
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API 682 Category 2 and 3, Type A, Arrangement 2 and 3 seal
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Dual seal in face-to-back arrangement
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Balanced
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Cartridge unit
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Rotating multiple springs
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Integrated pumping device
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Suitable for pressure reversals
*Operating range
Shaft diameter:
d1 = 20 … 110 mm (0,79" … 4,33")
Pressure:
p1 = … 42 bar (609 PSI)
Temperature:
t = -40 °C … +176 °C (-40 °F … +349 °F)*
Sliding velocity:
vg = 23 m/s (76 ft/s)
Axial movement:
d <50 mm ±1,0 mm
d ≥50 mm ±1,5 mm
*Материалы
Seal rings:
Blister resistant carbon,
Silicon carbide SSiC (Q1), RBSiC (Q2)
Mating rings:
Silicon carbide SSiC (Q1), RBSiC (Q2)
Secondary seals:
EPDM (E), NBR (P), FKM (V), FFKM (K)
Springs:
Hastelloy® C-276 (M5)
Metal parts:
CrNiMo steel 316 (G) or equivalent, optional materials on request.
