Azbil Corporation No. SS2-AC2001-0100 Figure 4. Structural drawing of trim (Extension bonnet type 1) 3. The valve body material is carbon steel (SCPH2/A216WCB), and bonnet type is extension type 1 for high temperature. (1)Valve plug SCS14A SCS14A Stellite SCS24 (2)Cage SCS14A SCS14A Stellite SCS24 (3)Valve stem SUS316 (4)Piston ring Carbon impregnated with antimony (5)Seat gasket Spiral gasket (hoop:SUS316, filler:inorganic paper) (6)Bonnet gasket SUS316 4. The valve body material is carbon steel (SCS13A/A351CF8 of SCS14A/A351CF8M), and bonnet type is extension type 1 for high temperature. (1)Valve plug A351CF8M Stellite SCS24 (2)Cage(Upper) A351CF8M SCS24 (3)Valve stem SUS316 (4)Piston ring Carbon impregnated with antimony (5)Seat gasket Spiral gasket (hoop:SUS316, filler:inorganic paper) (6)Bonnet gasket SUS316 (4)Piston ring (3)Valve stem (2)Cage(Upper) (1)Valve plug (5)Seat gasket (6)Bonnet gasket 5 2 1