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Flender/Flender Gear Units/Bevel-helical gearboxes B3

requirements specified in the specification. 5.2 For BW / SW end carbon steel valves under IBR, the chemical composition shall conform to the following: 9 of 1 Carbon (Max.) : 0.2% Others (, , Mn) : As per IBR Above composition is not applicable for non-IBR valves. 5.3 For all IBR Valves, test certificate in form III- shall be furnished duly signed by IBR inspection authority or an IBR approved representative. 5.4 All valves shall be painted red. 6.0 MARKING 6.1 Valves markings, symbols, abbreviations, etc. shall be in accordance with MSS-SP- 2 or the standard referred to in the specifications as applicab le Manufacturers name, valve size and rating, material designation, nominal size, direction of flow (if any) etc. shall be integral on the body. 6.2 Each valve shall have corrosion resistant tag giving size and valve tag/code no. securely attached on the valve body. 6.3 Paint or ink used for marking shall not co ntain any harmful metal or metal salts such as zinc, lead or copper which may result in corrosive attack on heating. 6.4 Carbon steel valves shall be painted with two coats of red oxide zinc chromate primer. 6.5 All alloy steel high temp valves shall be painted with heat resistant silicone paint suitable for intended temperature. 7.0 DESPATCH 7.1 Valves shall be dry, clean and free from moisture, dirt and loose foreign material of any kind. 7.2 Valves shall be protected from rust, corrosion and any mechanical damage during transportation, shipment, and storage. 7.3 Rust preventative applied on machined surfaces to be welded shall be easily removable with petroleum solvent or shall not be harmful to welding. 7.4 Each end of valves shall be protected as follows: Flange Face : Wood, plastic or metal cover Beveled End : Wood, plastic or metal cover SW / Screwed End : Plastics cap 7.5 End protectors to be used on flange face shall be attached by at least three bolts or wires th