H64Y磅级电站旋启式止回阀

H61Y国标电站止回阀

H42Y-160/320升降式高压止回阀

H83H/Y卡箍角式止回阀

CVWR对夹式*止回阀

H42W-16P不锈钢立式止回阀

H44W-16P不锈钢旋启式止回阀

H41/44H铸钢止回阀

H40J衬胶浮球式止回阀

H11Y、H14Y、H61Y、H64Y内螺纹锻钢止回阀、焊接式锻钢止回阀

H41Y、H44H法兰端自密封止回阀900Lb-2500Lb

H12W-16P不锈钢内螺纹单向止回阀