H61W-16P不锈钢焊接止回阀

H44W-16Ti纯钛止回阀

H44H/Y/W-150LB/300LB/600LB美标止回阀

H41H/Y-16C/25/40升降式止回阀

H44H/Y-16C/25/40旋启式止回阀

H44T-10铸铁旋启式止回阀

H41T-16/H41H-16升降式明杆止回阀

H41T-16/H41H-16升降式暗杆止回阀

承插焊锻钢止回阀

H61W/H/Y-900LB~2500LB自密封锻钢止回阀

H44F46-10C/16C衬氟旋启式止回阀

H42F46-10C/16C衬氟立式止回阀