ANSI,JIS
雙由令逆止閥PVCCPVCPP
尺寸︰12"-12"
UPVCCPVCPP雙由令球閥(法蘭式)
UPVCCPVCPP電動蝶閥
UPVCCPVCPP福特閥(底閥)
UPVCCPVCPP逆止閥
CVPC美規(ANSI)歐規(DIN)
