卫生级快装止回阀

SH4C1F46-16衬氟止回阀

H76H-16C对夹蝶型止回阀

HH47X-16微阻缓闭蝶型止回阀

H61H-800锻钢止回阀

H44W-150P美标旋启式止回阀

H44W-16C法兰旋启式止回阀

H41W-16P法兰升降式止回阀

H74X-16P对夹薄型旋启式止回阀

RH71W-16P对夹升降式止回阀

H14W-16P内螺纹旋启式止回阀

H12W-16P内螺纹立式止回阀