-
PZ73H手动刀型闸阀PZ73H手动刀型闸阀 -
PZ673H气动刀型闸阀PZ673H气动刀型闸阀 -
PZ273H电液动刀型闸阀PZ273H电液动刀型闸阀 -
PZL73H链轮对夹式刀型闸阀PZL73H链轮对夹式刀型闸阀 -
H42X升降式底阀H42X升降式底阀 -
液动式快速关闭止回阀液动式快速关闭止回阀 -
HC41X节能梭式止回阀HC41X节能梭式止回阀 -
H72H对夹立式止回阀H72H对夹立式止回阀 -
H42Y/W升降立式止回阀H42Y/W升降立式止回阀 -
HQ44X/HQ45X微阻球形止回阀HQ44X/HQ45X微阻球形止回阀 -
H64Y电站止回阀H64Y电站止回阀 -
H76H对夹蝶式止回阀H76H对夹蝶式止回阀