Product Name: ASTM A351 CF8 Lug Butterfly Valve
Standard: API 609
Size: 20 Inch, DN500
Pressure: Class 150 LB, PN20
Body Material: ASTM A351 CF8 (SS 304)
Disc Material: ASTM A351 CF8 (SS 304)
Stem Material: ASTM A182 F304
Seat Material: EPDM
Connection Type: Lug Type
Operating Mode: Gear Operated
Source: https://www.landee.cn/astm-a351-cf8-butterfly-valve-api-609-20-inch-150-lb-lug.html