Somewhere around 2003 the internal diameters of CPVC pipe changed, based on manufacturer.
Prior
to 2003 our database had CPVC dimension published by IPEX Blazemaster
(.884, 1.109, 1.4, 1.602)
In
2003 we updated the database to match data published at the time by Tyco, Spears
& Harvel (.874, 1.101, 1.394, 1.598)
Looking online today IPEX Blazemaster’s published data matches our new 2003 data.
Our hydraulics data is not automatically updated on your computer, but we do publish new data files for download as they become available. To get the latest in valve and fitting losses along with new and adjusted pipe diameters, check our website regularly. New data files are always found in the Downloads-Data-HydraCALC section of the secure area of our support pages. The What's New page prior to that location always notes the last 12 months of data and program updates.
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