CONFIGURATIONS: Ductile Iron Risers, Drilled to AS4087 Cast Grey Iron Risers, Drilled to AS2129 Cement lined Duo Coated Bitumen loaded Ryslan Nylon 11 Dulux Napgard FBE Nominal Size Dimension DN a L 80 8 100, 150, 225, 300 375, 450, 525, 600 100 8
COATING INFORMATION: Hydrant Risers available coated with a thermal bonded polymeric coating system in accordance with AS4158. This standard specifies a minimum film thickness and performance characteristic to ensure continuity in the coating and subsequent product. The following table identifies the critical coating thickness requirement of AS4158 for both types of standard thermal coating systems in use in the Australian water industry. Coating Type Internal Surfaces External Surfaces Thermoplastic (RN11) 250um 200um Thermoset (FBE) 350um 300um Note. um = microns (film thickness)

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