YJ41HF抗生素截止閥
J61H、J61Y焊接式截止閥
UPVC塑料截止閥
J41N燃氣專用截止閥
TP41YF TPJ41YF閥套式排污截止閥
BJ45W直流式保溫截止閥
JIS型日標(biāo)液化氣截止閥
J41T鑄鐵截止閥
WJ41H國標(biāo)波紋管截止閥
API系列美標(biāo)不銹鋼截止閥
YJ41W氧氣管路專用截止閥
J565Y直流式對焊截止閥
DS/J61H/Y焊接水封截止閥
J41H-10K日標(biāo)法蘭截止閥
UJ41H/Y美標(biāo)磅級柱塞閥
J41H/Y鑄鋼截止閥
J41W系列不銹鋼截止閥
J44H J44W角式截止閥
J41H/Y/W系列國標(biāo)法蘭截止閥
J61Y鍛鋼承插焊截止閥