H72HH72H双瓣止回阀

H41F46H41F46止回阀

H11T/W-16H11T/W-16型内螺纹止回阀

H14H内螺纹旋启式止回阀 H14H

H44T-10H44T-10型止回阀

H41T-16H41T-16型止回阀

H42X-2.5型H42X-2.5型升降式止回阀

D373H对夹式弹性硬密封D373H

D3（9,7）6Y对焊式金属硬密封蝶阀 D3（9,7）6Y

D941J电动衬胶蝶阀D941J

D941W电动法兰式通风蝶阀 D941W

D3/6/973H长杆蝶阀