Standard
Design Standard: AWWA C509/C515
Face to Face: API 609
Flange Standard: AWWA C606
Testing Standard: API 598
Cast Iron Grooved Butterfly Valve
Cast Iron Grooved Butterfly Valve
Description
Parts and Materials:
Body： ASTM A536 65-45-12
Stem： 2Cr13/SS304/SS316/Carbon Steel
Disc： ASTM A536 65-45-12
Seat： NBR,EPDM,PTFE
Handle：ASTM A536 65-45-12
