I 've used their product on PVC-although not their ductile restraint. This company has a solution for your application , I believe.
http://www.ebaa.com/Products/1100/
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https://pia.khe.siemens.com/efiles/feldg/files/kataloge/fi01_en/sitransl_overview_fi01en.pdf
https://pia.khe.siemens.com/index.asp?Nr=4916
Milltronics brand of ultra sonic level measurement devices are accurate and reliable in my experience.
If you only want to continously measure and...
I haven't dealt with this particular company, but after skimming through their material, it's probably worthwhile to fill out their ' Advice" link at the bottom and allow them to provide you with a proposal.
http://www.pribusin.com/casestudies.html
In a very general sense there are two basic types of positive displacement water meters ( roughly 5/8 " to 2" chamber size )1) Nutating Disc, and 2)Oscillating piston. When sizing the water meter , the first # refers to chamber size, the second # to end fitting size. I.E ' 5/8 x 3/4' has a 5/8 "...
http://www.nass.usda.gov/ar/cw102300.pdf
Looks like these Farmers are keeeping a record; the have posted data from one time period in Fayetteville-top of the chart. My guess is they have more data, their contact info is at the bottom.
HPDE pipe will of course freeze- and I am tempted to say it won't crack , having seen several HDPE pipes frozen solid below minus twenty with no cracks ( thaw and re-use) .
For freezing crack resistance High Density Poly Ethylene is the best choice, in my opinion, having more freeze-crack...
As you may know , the choices to stop inflow/exfiltration in sewer pipe are:
1) Dig it up and replace it
2) Slip line it by pulling a HDPE pipe through inside.
3) Line the inside with an epoxy/resin sleeve-e.g insituform
4) Cement mortar the inside ( camera and remote mortar machine)
5) spot...
http://www.thuro.ab.ca/waterjetcutter.html
There are a few companies like this one around-insituform does some of this also.
I've used these (Thuro) fellows mostly for Closed circuit camera work, they slip lined a 4 inch house service for me.
The gadget pictured on the right in the above link...
You probably know all of this , but:
http://www.azom.com/details.asp?articleID=1177
“This effect is also dependent upon the relative areas of the dissimilar metals. If the area of the less noble material (the anodic material, further towards the right in Figure 2) is large compared to that of...
http://www.dipra.org/pdf/strayCurrent.pdf
note page 4/5
I would say "probably", based on the explanation refered to in the above document.
I'm sure there is someone here more knowledgable than I in corrosion control, and I have had (only) ancedotal evidence of an impressed current on a...
http://www.deq.state.or.us/aq/asbestos/ASBPIPE.pdf
http://www.ci.mesa.az.us/engineering/pdf/PS3_Removal_and_Disposal_of_ACP.pdf
You probably know all of this , but if you cut the AC pipe more health and safety rules kick in than if you pull it apart at each joint with a backhoe and a chain or...
