Product series
H44H-200C锻钢法兰止回阀
H44Y-16RL不锈钢旋启式316L
H44J-25P不锈钢衬胶止回阀
H44J-10立式衬胶止回阀
H11W-160P内螺纹高压止回阀
J42B-40C J42B-25C角式氨用
J44W-64P J44W-40P不锈钢高...
J41H-25C锻钢法兰截止阀
J41W-16T全铜法兰截止阀