H64Y高压电站阀，电站止回阀

H62H/Y高压直通式止回阀,H62Y-160,H62Y-250,H62Y-350

H82H/Y高压微阻止回阀，卡箍止回阀

H64Y-250高压焊接止回阀

H64Y-1500LB高压自密封止回阀,美标焊接止回阀

H44Y-1500LB美标电站止回阀，高压旋启式止回阀

H61H/Y电站止回阀，H61H-250 ，H61H-320，H61Y-P54100V， H61Y-

H41H/Y高压升降式止回阀

H42H/Y-160高压立式止回阀,H42Y-250,H42Y-350