Manufacture standard: API609 Inspection and Test: API598 Specifications of this pneumatic butterfly valve: 1) Pressure class: 150 - 300lbs 2) Size: 2- 72" 3) Temperature: -29° C - 425° C (WCB), -196° C - 600° C (SS) ± 570° C Alloy steel 4) Suitable medium: Water, oil, gas, vapor, steam etc. 5) Body and disc material: WCB, CF3, CF8, CF3M, CF8M etc. 6) Stem material: 304, 316, 304L, 316L, 7) Flux Control of pipelines: DN20-100 8) Packing: Graphite 9) Operating type: Pneumatic actuator
