Features
API 682 Category 2 and 3, Type A, Arrangement 1 seal
Single seal
Balanced
Cartridge unit
Stationary multiple springs
Shrink-fitted seal ring
Solid mating ring
Advantages
Engineered seal for extended requirements
Deformation-optimized seal for high pressure and high sliding velocity
Insensitive to shaft deflections due to stationary design
Version for extreme applications available
Operating range
Shaft diameter:
d1 = 40 ... 110 (250) mm (1.57" ... 4.33 (9.84)"
Pressure:
p1 = 42 (150) bar (609 (2,175) PSI)
Temperature:
t = -40 °C ... +176 (+200) °C (-40 °F ... +350 (+394) °F)
Sliding velocity:
vg = 23 (60) m/s (76 (197) ft/s)
Axial movement: ±3.0 mm
Materials
Seal ring: Blister resistant carbon,
Silicon carbide SSiC (Q1), RBSiC (Q2, Q3)
Mating ring:
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.
Recommended applications
Oil and gas industry
Refining technology
Chemical industry
Crude oil feed pumps
Injection pumps
Multiphase pumps
Service
Provide special design
According to the requirements and conditions for the custom processing
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