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Enlargement/reducing ring
Enlargement and reducing rings, also known as adapter rings, reducer bushings, or concentric reducers in various global markets, are mechanical components designed to transition between different conduit, cable gland, or enclosure entry sizes. These rings are typically manufactured from materials such as brass, nickel-plated brass, stainless ste...
Enlargement and reducing rings, also known as adapter rings, reducer bushings, or concentric reducers in various global markets, are mechanical components designed to transition between different conduit, cable gland, or enclosure entry sizes. These rings are typically manufactured from materials such as brass, nickel-plated brass, stainless steel, or plastic, and are available in metric (e.g., M20 to M25) and imperial thread sizes. They feature a threaded design that allows for a secure, leak-proof connection in electrical installations, often with a hexagonal body for easy wrench tightening. Key technical specifications include thread pitch, material grade, operating temperature range (e.g., -40°C to +100°C), and ingress protection rating (IP68 when properly installed). These components are essential for adapting cable entry systems in junction boxes, control panels, and distribution boards.
Enlargement/reducing rings are widely used in industrial automation, electrical distribution, and building services installations. They are commonly found in control cabinets, motor connection boxes, field junction boxes, and terminal enclosures where cable glands or conduits of different diameters need to be connected. These rings are critical in sectors such as manufacturing, energy, water treatment, and infrastructure projects, ensuring compatibility between standardized entry points and varying cable or pipe sizes. They also facilitate maintenance and upgrades by allowing existing enclosures to accommodate new equipment without full replacement.
Within this category, key subcategories include metric-to-metric reducers (e.g., M20 to M16), metric-to-imperial adapters, and reducing bushes for PG (Panzer-Gewinde) threads. Common article codes often follow a pattern like "RING-M20-M16-BRASS" or "ADAPTER-M25-M20-NP" where the first dimension indicates the larger thread, the second the smaller, and the suffix denotes material (e.g., BR for brass, SS for stainless steel, NY for nylon). Examples include the M25 to M20 brass reducer and the M32 to M25 nickel-plated brass ring. These codes are standardized by manufacturers like Weidmüller, Phoenix Contact, or ABB, and are searchable by thread type and material.
Our platform offers real-time pricing and express worldwide shipping for all enlargement/reducing rings, ensuring minimal downtime for your projects. Each product includes detailed technical datasheets with thread dimensions, torque specifications, and material certifications. Our team of specialized electrical engineers provides personalized support to help you select the correct adapter for your specific enclosure or cable gland requirements, whether for new installations or retrofits. We guarantee fast delivery from stock, with tracking available for all international orders.
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