防爆格兰头是在有高要求电缆上使用的一种防爆附件，可以安装在防爆电缆端口与防爆电器设备的连接处，起到引入电缆、固定位置从而达到密封、隔爆作用，具有隔爆性能 、结构 、安装简单方便、防护等级高等优点。广泛用于石油、化工等各种需要尊龙人生就是搏网站 防爆场所，尤其适用海上平台、船舶的需要尊龙人生就是搏网站防爆的场所。
英制螺纹叫法对应（针对不同行业）：
1/8（1分/DN4）螺纹外径约9mm
1/4（2分/DN8）螺纹外径约12mm
3/8（3分/DN10）螺纹外径约16mm
1/2（4分/DN15）螺纹外径约20mm
3/4（6分/DN20）螺纹外径约25mm
1‘（1寸/DN25）螺纹外径约32mm

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Product material: A, C, F parts are made of high quality 304 stainless steel, E part of the UL approved nylon PA66 (fire UL94V-2). B, D part adopts three EPDM rubber.
Product certification: CE certification in Europe, The European SGS certification, UL certification and EX certification America explosion.
Fireproof grade: D part of the UL94V-2, low smoke non halogen.
Protection class: The isolation zone two explosion proof (EX DLL), in the scope of the provisions of the scope of the bayonet bayonet internal regulations, and use the ring screw tight tight head, up to IP68-10Bar.
Working temperature: static: -40℃ to 100℃, short time of up to 120℃. Dynamic:-20 to 80℃, short time of up to 100℃.