锻钢法兰端止回阀class150-600lbDN80 200 250

锻钢升降止回阀class800LB-1500LBDN65 100 125

锻钢旋启式止回阀class800LB～1500LB

自密封旋启式止回阀class900LB～2500LB

YH44HY自密封旋启止回阀|YH44H止回阀|密封止回阀

H44H-25DN100 DN125 DN150

升降式止回阀DN50 80 125

H44HW-64止回阀DN40 60 80

H64H(Y)电站旋启式止回阀|电站H64H国标电站止回阀

YH44HY自密封旋启止回阀|密封YH44H止回阀

H44H-25DN125 32 35 40

升降式止回阀DN150 250 300

H44HW-64止回阀DN40 DN50 DN65 DN80

H64Y美标电站止回阀|电站美标美标电站止回阀

H64H(Y)电站旋启式止回阀|H64H国标电站止回阀|电站国标电站止回阀

静音DRVZ止回阀|H42T型(DRVZ)静音止回阀

H14W-16PR不锈钢螺纹旋启式止回阀|不锈钢止回阀|螺纹止回阀

HQ45X型微阻球形止回阀DN80 100

HQ41X球形止回阀(无磨损球形止回阀)|球形磨损止回阀

消声止回阀(铁壳铜芯)|铁壳铜芯止回阀|消声止回阀

H4XW-16P不锈钢消声止回阀|消声止回阀|不锈钢止回阀

对夹双瓣式止回阀|H76HW对夹蝶型止回阀(双瓣式)

HC44X-10-16橡胶瓣止回阀|HC44X止回阀|橡胶止回阀

H41XW全铜消声止回阀|消声止回阀|全铜止回阀