These globally approved 737 adaptors and reducers provide reliable thread conversion for cable and conduit systems in explosive atmosphere installations, offering compatibility with a wide range of thread types and sizes and available in durable materials including electroless nickel plated brass, brass, stainless steel, aluminium, and nylon, while supporting both general-purpose and industrial applications with options for equipment interface O-ring seals, high mechanical strength, and extended operating temperatures from –60°C to +200°C in metallic versions; tested and certified to major international standards such as IECEx, ATEX, UL, cCSAus, UKEX, GOST, INMETRO, CCC, KCs, PESO, RETIE, SANS, and marine approvals, they ensure dependable protection with IK10 impact resistance, IP66, IP67, and IP68 ingress ratings when used with CMP sealing accessories, and are engineered to maintain safety in hazardous zones with protection concepts including Ex db, Ex eb, and Ex ta for both gas and dust environments.