Range of double flanged, wafer or lugged butterfly valves with polyester coated ductile iron, cast iron or carbon steel bodies. The discs of the S3 range are available in stainless steel, nylon coated or aluminium bronze. The discs of the S2 range are stainless steel. Maximum working pressure for the S2 range is 10.3 bar. Maximum working pressure for the S3 range is 17.2 bar. Maximum operating temperature 99°C.
'Nylon 11'. Factory applied nylon coatings available in white or grey colours. The substrate the coating is to be applied to is heated to 310°C for 30 minutes and the coating applied as per manufacturer's work instructions 'WI-09-19 Rev. 6' dated April 22, 2020. Cure for 10 minutes@270°C. The white coating is for use with water up to 23°C. The grey coating is for use with water up to 85°C. This material is only approved for the curing conditions that appear on the approval. If the cure conditions are varied from those specified on the approval then the material is not covered by the scope of the approval.
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