13型外壳适用于工业室内使用，主要提供一定程度的防尘，防水，防油和非腐蚀性冷却液的防护。
Type 13 enclosures are intended for industrial indoor use primarily to provide a degree of protection against dust, spraying of water, oil, and noncorrosive coolant.
一体化拉伸铝鱼鳍型散热器的外壳设计，特制防水胶贴杜绝渗漏；
The shell design of integral stretched aluminum fin-type radiator, specially made waterproof glue to avoid leakage.
型：采用工程塑料压制而成，具有较强的防腐和防水性能，适用于增安型外壳中作引入装置用。
Type I: Made of engineering plastic, corrosion-proof and water-proof, it is used as leading device in safety-increased shell.
整体为复合型结构，外壳采用增安型结构，具有较强的防水、防尘能力，内装按钮、指示灯、电流表均为防爆元件。
Compound structure of safety - increased type, with functions of water - proofing, dust-proofing inside is arranged button, indicator, Ammeter of explosion-proof types.
整体为复合型结构，外壳采用增安型结构，具有较强的防水、防尘能力，内装按钮、指示灯、电流表均为防爆元件。
Compound structure of safety - increased type, with functions of water - proofing, dust-proofing inside is arranged button, indicator, Ammeter of explosion-proof types.
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