Product Name: Double Offset/Eccentric Butterfly Valve
Design Standard: API 609 Category B
Size Range: 2-60 Inch, DN50-DN1500
Pressure Rating: Class 150-600 LB, PN10–PN100
Body & Disc Material: Stainless Steel ASTM A351 CF8, CF8M, CF3, CF3M, Carbon Steel ASTM A216 WCB, WCC
Seat: SS 316L + RPTFE
Shaft: 17-4PH
Shutoff Rating: Class VI, Bubble Tight
Operation: Handle, Worm Gear, Pneumatic, Electric
End Connection: Flanged, Wafer
Temperature Range: -29°C to 150°C
Medium: Water, Gas, Oil, etc.

Source: https://www.magpievalves.com/double-offset-butterfly-valve-cs-ss-api-609-cat-b-2-60-in.html