• Design Standard: API6D
• Nominal Diameter: DN50-DN600 (2”-24”)
• Top Flange acc: EN ISO 5211
• Flange Connection: ASME B16.5/ASME B16.47(above 24″)
• Face to Face acc: Manufacturer Standard
• Pressure Rating: Class150, Class300，Class600，Class900
• Seat Type: Soft Seat & Metal Seat
• Test STD: API6D
