Données clés
- Nominal Diameter : 2" ~ 208" (DN50 ~ DN5200)
- Type : Concentric-. Double- and combined butterfly-check
- End Connection : Lug, Wafer, Double Flange
- Pressure Range : Class 150 ~ 600 (PN10 ~ PN100)
- Working temperature : -46 ~ +200°C
- Design and Manufacture : DIN, ANSI, API 609
- Face to face (end to end) : API 609, B16.10
- Test and inspection : API 598
