全焊接缩径法兰球阀Q341HF-16/25C CF8球 双极涡轮 防腐蚀漆

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

美标碳钢法兰截止阀 ANSI c.s flange globe valve J41W-300LB

对夹单瓣旋启式止回阀 wafer single-disc swing check valve H74H-16

法兰三偏心多层次硬密封蝶阀 flange three eccentric multi-level hard seal butterfly valve D343W-10/16/25/40P

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

国标一片式高平台球阀 GB 1PC high-platform ball valve Q11F-16/64

化工部法兰衬氟球阀CCC认证 HG flange fluorine lined ball valve.3C Q41F46 模压/注塑

全焊接缩径法兰球阀Q347HF-16/25C CF8固定球 双极涡轮 防腐蚀漆

美标不锈钢法兰截止阀 ANSI s.s flange globe valve J41W-300LB

对夹升降式止回阀 wafer lift check valve H71H-40

法兰三偏心多层次硬密封蝶阀 flange three eccentric multi-level hard seal butterfly valve D343W-10/16/25/40R