锻钢碳钢国标旋启式止回阀 H44H-16/25/40

锻钢不锈钢国标旋启式止回阀 H44H-16/25/40

国标暗杆弹性座封软密封闸阀 GB NS wedge soft-sealed gate valve Z45X-16

全焊接全通径球阀Q61HF-16/25C CF8球 活动手柄 防腐蚀漆

全焊接全通径球阀Q361HF-16/25C 304球 单极蜗轮 防腐蚀漆

锻钢碳钢国标旋启式止回阀 H44H-64/100/160/250

弹簧微启封闭式安全阀 spring micro lift sealed safety valve A41H/Y

二片式V型球阀带刻度盘 2PC V-shape ball valve with dial Q11F-16/64

全焊接全通径球阀Q367HF-16/25C CF8固定球 双极涡轮 防腐蚀漆

二片式V型球阀带刻度盘 2PC V-shape ball valve with dial Q11F-16/64

锻钢不锈钢国标旋启式止回阀 H44H-64/100/160/250

开放式带扳手弹簧微启式安全阀 open spring low-lift safety valve with level A47H