RF, RTJ, or BWBolted Bonnet or Pressure Seal Bonnet
Outside Screw & Yoke (OS&Y), Rising stem
設計基準
Design & manufacture according to BS 1873, API 623End Connection according to ASME B16.5 (RF & RTJ), ASME B16.25 (BW)Also available per NACE MR-0175, NACE MR-0103, ISO 15848, API 624