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- Lined Pipework is generally to ANSI B 31.3 with minor modifications to suit the lining process.
- S.G Iron fittings with Cast on flanges are dimensional to B 16.42
- Tolerances for Pipe fabrications, flanges and fittings shall be as stated in the ASTM F 1545
- Lined fittings (plastic flare to plastic flare) shall conform to the nominal centre-to-face dimensions as specified in relevant standards with the application tolerances. Dimensional details for each fitting are covered in the relevant Data Sheet available as a part of this specification.
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