Wafer valve on HDPE pipe with loose flanges
Wafer valve on HDPE pipe with loose flanges
(OP)
Installing a 32" wafer butterfly valve at HDPE pipes with loose flanges would be a problem?
Can anyone share experience regarding this combination (relatively big wafer valve mounted with loose flanges)?
Thanks.
Can anyone share experience regarding this combination (relatively big wafer valve mounted with loose flanges)?
Thanks.





RE: Wafer valve on HDPE pipe with loose flanges
Please define what you mean by "Loose Flanges".
Sometimes its possible to do all the right things and still get bad results
RE: Wafer valve on HDPE pipe with loose flanges
like one of these?
If so then not really. You need to ensure that the valve face is a full face flange face of the same dimensions as the hub part of the connecting flange.
Clearly you need to hold the valve upright when bolting it up and try to get it with zero net torque on the flanges if you can, but they will stand some torque.
More an installation issue with one this big so whatever you use to lift it into place with will need to stay until you finally tighten the bolts up.
Remember - More details = better answers
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RE: Wafer valve on HDPE pipe with loose flanges
RE: Wafer valve on HDPE pipe with loose flanges
Remember - More details = better answers
Also: If you get a response it's polite to respond to it.
RE: Wafer valve on HDPE pipe with loose flanges
RE: Wafer valve on HDPE pipe with loose flanges
At such diameters the support of the pipeline, both sides of the valve, to minimize skew forces on valve and pipeline will be of great importance.