PVC flange standards

2019-05-17View Original

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Now, a dosing system needs to be designed; all the pipes are made of PVC-U and connected using flanges. I’m not sure what standard should be used for these flanges I don’t know how to calculate the bolt length based on the flange thickness, etc.?

Reply #22019-05-17

GB/T 10002.2-2003: Rigid polyvinyl chloride (PVC-U) fittings for water supply, with flange connections.

Reply #32019-11-11

The scope of application is incorrect. At present, the dimensions of PVC-U pipe fittings are based on enterprise standards, with GB 4219.2 being the applicable specification.

Reply #42019-11-13

For chemical applications, use industrial-grade rigid PVC fittings per GB 4220-84; the price won’t be much lower

Reply #52019-12-02

Isn’t HG20592 a steel pipe flange? Is PVC not included in this range?

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PVC flange standards

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