*Features
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API 682 Category 2 and 3, Type A, Arrangement 3 seal
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Dual seal in back-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 … +350 °F)*
Sliding velocity:
vg = 23 m/s (76 ft/s)
Axial movement:
d ≤50 mm ±1.0 mm
d >50 mm ±1.5 mm
*Materials
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:
C-276 (M5)
Metal parts:
CrNiMo steel 316 (G) or equivalent,
optional materials on request.
