Manufacturer: Eagle Industry Co., Ltd.
Model: LY9DZSS

Features

• API 682 Category 2 and 3, Type B, Arrangement 3 seal
• Dual seal in back-to-back arrangement
• Same seal size of inboard and outboard seal
• Balanced
• Cartridge unit
• Rotating metal bellows
• Shrink fitted seal ring and solid mating ring

Specification

Standards and approvals

• API 682 / ISO 21049

Materials

• Seal ring: Blister resistant carbon
• Mating ring: Silicon carbide SSiC (Q1), RBSiC (Q2)
• Bellows: Hastelloy® C-276 (M5),　option: Inconel® 718 (M6)
• Secondary seals: FKM (V), FFKM (K), EPDM (E), NBR (P)
• Metal parts: CrNiMo steel 316 (G)

Operating range

• Pressure: p = vacuum … 20 bar (290 PSI)
• Temperature: t = -40 °C … +200 °C (-40 °F … +392 °F)
• Sliding velocity: vg … 23 m/s (75 ft/s)
• Viscosity: … 1,000 mPas
• Solids content: … 0.5 wt.%

Recommended applications

• Refining technology
• Oil and gas industry
• Petrochemical industry
• Chemical industry
• Power plant technology
• LPG plants API 610 / ISO 13709 pumps
• Process pumps

Recommended piping plans

• Process side: 02, 11, 12, 13, 14, 21, 22, 31, 32, 41
• Between seals: 53A, 53B, 53C, 54
• Atmospheric side*: 61, 62, 65A, 65B