Features: 1) Design standards: ANSI B16.34 2) Inspection and test standards: API 5983) Connection: ANSI B16.5 JB 794) Size: 50 - 500 (2" - 20") 5) Class: 150 – 600lbs6) Temperature: ≤300oC7) Body: CF8M, CF3M, CF3, CF8, WCB8) Operation: pneumatic9) Customers' requirements are welcomed