活塞密封UHP系列名称代号外径D内径d厚HUHP4040306.50UHP5050406.50UHP6363536.50UHP8080716.50UHP9090806.50UHP100100859.50UHP1251251129.00UHP1401401259.50UHP1501501369.00UHP1601601459.50UHP1801801659.50UHP20020018012.50UHP22022020012.50UHP22422420412.50UHP25025023012.50活塞密封UNP名称代号外径D内径d厚HUNP18018015516.00UNP19019016516.00UNP20020017516.00UNP20520518016.00UNP21521519016.00UNP22422419916.00UNP23723721219.00UNP25025022519.00UNP26126123619.00UNP27527525019.00UN)