Galvanized steel bridge : The general warranty period is 5-10 years, depending on the thickness and quality of the galvanized layer. The following are some factors that affect the warranty period: 1. Materials and manufacturing. maintain spacing or to keep cables in place when the tray is ect the minimum bend ra-dius for cables as they exit the bottom of the cable tray. A rung spacing of 6 to 9 inches (150 to 230 mm) is preferable when the cable tray cont d for instrumentation and control applications that require. cable trays are equivalent. The mechanical and electrical characteristics, tests, certifications, overall quality management, recommendations mentioned in this technical guide only apply to our own cable management ranges and cannot under any circumstances be transposed to si osure, overheating or. Cable Trays are designed to meet most requirements of cable and electrical wire installations and comply to local and international standards of fabrications and finishes. SFSP cable trays and accessories from SFSP are manufactured from steel sheets in accordance with BS EN 10130/BS EN 10131/ BS EN. Samishti industries - offering low price galvanised cable tray - steel, various dimensions, 1 year warranty for enhanced wire security and performance - steel, various dimensions, 1 year warranty for enhanced wire security and performance in kompally, hyderabad with product details & company. Pre Galvanized Perforated (Gi )Cable Tray With Cover, 2Mm (Minimum) Thickness For Body And Cover, Size: 150Mm (Width) X 75Mm ( Side Height) X 2Mm (Thickness), Gi Sheet Conforming To Is 277, Stand Ard Length : 2500Mm, Make Of Sheet: Jsw/ Tata/ Amns/ Sail. Necessary Nut And Bolt Per Length Shall Be.