Key Specifications/Special Features:
- Connection: RF/RTJ flange and butt-welded
- Pressure rating: class 150 to 1500lbs
- Materials: A105, LF2, F11, F22, F5, F304, F316, F304L, F316L (1/2 to 2 inches), WCB, LCB, WC6, WC9, C12, C5, CF8, CF8M, CF3, CF3 and CF8C (2 to 36 inches)
- Structure: bolted cover and swing type disc
- Threaded or welded seat ring
- Suitable medium: water, oil and gas
