A threaded fastener used in aluminum cable glands to create compression seals around cables for environmental protection.
A compression nut is a critical component in aluminum cable gland assemblies designed to secure and seal cables entering electrical enclosures. This cylindrical nut features internal threads that engage with the gland body and a tapered compression surface that forces a sealing ring or washer against the cable jacket when tightened. It creates a watertight, dustproof, and strain-relief seal by applying uniform radial pressure around the cable circumference while maintaining electrical continuity through proper grounding.
诱因 → 失效模式 → 工程缓解
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Aluminum compression nuts are lighter, more corrosion-resistant in certain environments, and typically anodized for insulation. Brass nuts offer better conductivity and are preferred in explosive atmospheres. Material choice depends on application requirements like weight, corrosion resistance, and grounding needs.
Refer to manufacturer specifications based on nut size and cable diameter. Generally, apply 1/4 turn past hand-tight for metric threads, or use torque values from the specs table. Over-torquing can damage the sealing ring, while under-torquing compromises the IP rating.
Limited reuse is possible if threads and compression surfaces are undamaged. However, the sealing ring should always be replaced. Aluminum nuts are more prone to thread galling than brass or stainless steel versions.
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CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。
说明目标数量、应用场景、交期和关键技术要求，用于准备 RFQ 或供应商评估。