Sonkit Industry www.sonkit.cn/en ■ Silver • Nickel • Gold • Stannum • Copper • PTFE Note: O.R. = On Request, Performance data is based on Alloy 718, without plating Groove Dimension Groove and Seal Design 3 'ta Seal: DSI = DG + DC + (Plating thickness X 2) Groove: DG = DSI - DC - (Plating thickness X 2) Groove finish is a critical factor for metal seal. Depend on different medium, Sonkit recommend the following groove surface roughness • Aerospace • Oil & gas • Injection systems ■Valves ■ Cryocoolers "Exhaust • Lasers • Vacuum applications ■ Hot mold • Power generation (GT, 5T-casing, heat exchangers. Nuclear waste)