Manufacturer: Eagle Industry Co., Ltd.
Model: LNF992

Features

• API 682 Category 2 and 3, Type A, Arrangement 3 seal
• Dual seal in face-to-back arrangement
• Gas-lubricated
• Balanced
• Cartridge unit
• Stationary multiple springs
• Independent of direction of rotation
• Solid seal faces

Specification

Standards and approvals

• API 682 / ISO 21049

Materials

• Seal ring: Silicon carbide SSiC (Q1), High density carbon graphite
• Mating ring: Silicon carbide SSiC (Q1)
• Secondary seals: FKM (V)
• Springs: Hastelloy® C-276 (M5)
• Metal parts: CrNiMo steel 316 (G)

Operating range

• Pressure: p = vacuum … 16 bar (232 PSI)
• Temperature: t = -40 °C … 160 °C (-40 °F … 320 °F)
• Sliding velocity: vg = 23 m/s (75 tf/s)
• Viscosity: … 300 mPa·s
• Solids content: … 20 wt.%

Recommended applications

• Chemical industry
• Refining technology
• Hazardous media
• Monomeres

Recommended piping plans

• Process side: 02, 32
• Between seals: 74