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1. What is a UPVC piping system? .
A UPVC (Unplasticized Polyvinyl Chloride) piping system is a type of plastic-based piping system that is commonly used for water supply and drainage. It is made through the extrusion process of PVC resin, without adding plasticizers or other harmful chemicals, making it more durable and corrosion-resistant than traditional PVC piping.
2. What are the advantages of using a UPVC piping system? .
Some of the advantages of using a UPVC piping system include its durability, resistance to corrosion and chemicals, low thermal conductivity, and ease of installation. It is also a more cost-effective solution compared to traditional metal piping systems.
3. What are the applications of a UPVC piping system? .
A UPVC piping system can be used for a wide range of applications, including water supply, drainage, irrigation, and ventilation systems. It is also commonly used in the chemical industry, as it is highly resistant to many corrosive chemicals.
4. What are the different types of UPVC pipes available? .
There are several types of UPVC pipes available, including plain-ended pipes, threaded and socket-ended pipes, and chamfered-ended pipes. The type of pipe required will depend on the specific application it is being used for.
5. What is the working temperature range of a UPVC piping system? .
A UPVC piping system can typically operate at temperatures ranging from 0°C to 60°C.
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6. What is the maximum working pressure of a UPVC piping system? .
The maximum working pressure of a UPVC piping system will depend on the size, type, and application of the pipe. Generally, it can operate at pressures ranging from 6 bar to 16 bar.
7. What is the expected lifespan of a UPVC piping system? .
A UPVC piping system can have a lifespan of up to 50 years, depending on the environmental conditions and frequency of maintenance.
8. How is a UPVC piping system installed? .
A UPVC piping system can be installed using various methods, including solvent welding, compression fittings, and flange connections. The installation method will depend on the type of pipe and its intended application.
9. How can a UPVC piping system be maintained? .
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Regular maintenance is crucial for ensuring the longevity of a UPVC piping system. This includes regular inspections, cleaning, and repairs as needed.
10. What are some potential issues that can arise with a UPVC piping system? .
Some potential issues with a UPVC piping system may include leaks, cracks, and clogs. These can be caused by factors such as improper installation, corrosion, and poor maintenance. It is important to address these issues promptly to avoid further damage to the system.
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Water well dude,
Thanks for the reply. Let me restate the situation.
The well driller is a person that regularly drills 250 foot deep, 8 inch boreholes for closed loop geothermal applications in our area. The geology here in central Oklahoma is that the bore holes will not quickly collapse. There is time to put in the vertical loop or, in the case of a water well, to place a PVC casing and then pour sand/gravel around the casing. I called him again tonight and sometimes he does use mud, but many (most) times he can drill the borehole without it.
The existing 160 foot well (40-50 years old) is recently (last summer) drawing air and due to the extreme drout, the water table is lowering. In the summer, when I irrigate around the house, the water looks "milky" indicating that the pump is cavitating due to the water table being unable to provide enough water to replenish the water being pumped out of the well. Last fall I had to replace the 1 HP pump, lower the pump placement by an additional 10 feet (to within 15 feet of the well bottom) and this winter the project is to put in a deeper well.
Yes, there is some water at 40-60 feet down, but the quantity of water is low and getting lower due to long term low rainfall. In this area, most all water well drillers now recommend putting in a 250 foot well as there are more water bearing gravels down lower. The geology is that there are water sands and then shale/clay layers and then more water sands with more and more available water the deeper you go.
I also understand that the casing should be 160 # PVC and I can get 5 inch diameter locally for about $2.50 a foot (20 foot lengths with bell ends). I can also get some sections of perforated 5 inch, 160 # PVC casing pipe and a woven "sock" to slide on the perforated casing to prevent sand intrusion into the casing (all from local pump water well supply house in Oklahoma City).
Many local drillers do not use perforated pipe, but cut it themselves in the PVC casing with a hacksaw blade so the cut is only about 20% around the casing diameter and many cuts being put in. The well drillers do not use a sock, but just washed gravel/stone outside the liner. The well supply house thinks this is "old school" and strongly prefer the pre made perforated pipe for the lower 40-80 feet and the use of the sock. Obviously, sections of the casing higher up are solid casing and not perforated.
The cost of the borehole digger is $ to dig a 250 foot deep 8 inch borehole. I would have the PVC casing on hand and he helps me put it in borehole, glue up the joints, fill the cavity space with sand/gravel and grout the upper twenty feet with cement. Well drillers that do all the above, are charging $20 or more a foot to drill and place PVC casing. Then the extra expense for electric submersible pump . . .
Once I have a PVC cased well, I can install a 1 HP submersible pump.
Does the above explain the situation?
Thanks for your help.
Steve