美标不锈钢波纹管闸阀 ANSI s.s bellows seal gate valve WZ41H(DN15-40锻压)

法兰暗杆锁闭闸阀 flange NS block wedge gate valve PDZ45H-16

黄铜内螺纹闸阀 brass FNPT gate valve Z11W-16T

美标碳钢法兰锻钢闸阀 Z41H

美标自密封法兰锻钢闸阀 Z41H

美标不锈钢法兰锻钢闸阀 Z41H

国标法兰锻压闸阀

美标对焊/螺纹锻钢闸阀 Z61H/Z11H

美标自密封对焊/螺纹连接闸阀 Z61H/Z11H

国标对焊闸阀 Z61H

螺纹闸阀 threaded gate valve Z15H-16

俄标法兰明杆楔式闸阀 GOST flange RS wedge gate valve Z40H-16