高品质150KG 1400mm重型可调速ANSI UL证书认证防火闭门器，ANSI 156.4 1级，耐用200万次。可调节关闭和闭锁速度。可调节后止，延迟动作可选。精密重型齿条（活塞）&小齿轮、滚针轴承。可选配全轴和薄盖。
高品质150KG 1400mm重型可调速ANSI UL证书认证防火闭门器，ANSI 156.4 1级，耐用200万次。可调节关闭和闭锁速度。可调节后止，延迟动作可选。精密重型齿条（活塞）&小齿轮、滚针轴承。可选配全轴和薄盖。
认证
UL 10C 防火等级 3 小时
美国国家标准协会
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简大卫
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邮箱：sales@danddhardware.com
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地址：中国广东省江门市蓬江区江门大道科创科技区898号2号楼12楼 529000
联系我们：
简大卫
电话 / WhatsApp / 微信:+86-13929037292
邮箱：sales@danddhardware.com
电话：+86-750-3856396
传真：+86-750-3856395
地址：中国广东省江门市蓬江区江门大道科创科技区898号2号楼12楼 529000
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