PVC FITTINGS GB/T 4219.2
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Standard GB/T 4219.2 for PVC fittings does not specify the dimensions of these fittings; then what standard should manufacturers use when producing them? I would appreciate some guidance from experts, thank you!
The size you give him is his standard
The manufacturer creates the molds according to the specific requirements; the wall thickness can be either thin or thick, but it must not be less than that of pipes of the same grade. As for the diameter, there’s no need to discuss it.