api 5000*Tolerances and ring gaskets are according to API 6A. Materials for API 6A Type 6B 5000 psi(34.5 MPa) Weld Neck RTJ Flange, API 6A 6B Weld NeckHarga Bardahl XTG 5000 80W-90 API GL-5 - Oli Gardan Mobil (1L). Rp82.650. Harga Total Quartz 5000 SAE