
What kind of primer do you use on PVC cement?
According to the manufacturer, one class requires the application of primer, such as All-Purpose cement, Regular Clear PVC cement and Medium Gray PVC cement. The other class does not require the application of primer, such as Hot Medium Blue Lava PVC cement and Rain-R-Shine® Medium Blue PVC cement.
How to join CPVC pipe to PVC pipe?
Joining CPVC to PVC requires the use of primer and solvent cement strong enough to act on and bond fully the CPVC pipe and the fitting. The procedure to be followed in CPVC to PVC bonding is outlined as follows. First, you should brush about two inches of the CPVC solvent or primer both on the inside and outside of the pipe and fitting.
Can I use CPV solvent cement without a primer?
Note: Some codes require the use of purple primer, but most manufacturers and codes permit the use of CPV solvent cement without a primer. Caution: Keep a window open for ventilation and use an organic respirator.
How do you weld PVC pipe without primer?
Take a PVC pipe and solvent weld it to a PVC tee on one end with primer. Then solvent weld it to another tee on the other end of the pipe without primer. This creates a pipe assembly with two solvent welded joints, one with primer application and one without.

Do you prime CPVC before gluing?
There is no special “CPVC to PVC glue,” so chemically joining CPVC and PVC requires solvent cement and primer that are strong enough to fully bond CPVC pipe.
Should I use purple primer on CPVC?
Purple Primer can be used with all types, schedules and classes of PVC and CPVC pipe and fittings. A low VOC formulation. In most cases a successful solvent cement joint can be made without using a primer.
Can you use PVC primer on CPVC?
A: Yes. CPVC solvent cement technically will work on PVC piping. However, we recommend that the correct Weld-On primer and PVC solvent cement for the particular application should be used. Please note that PVC solvent cement, because of temperature limitations, is not recommended for CPVC piping.
How do you prepare for CPVC?
How to Install CPVC Pipe Using Solvent CementStep 1: Cut the Pipe. Square cuts are essential for CPVC installation. ... Step 2: Prepare the Pipe and Fittings. ... Step 3: Apply the Solvent Cement. ... Step 4: Assemble the Joint. ... Step 5: Give the Joint Proper Time to Cure and Dry.
How long after gluing CPVC can you turn water on?
For a 1 1/2- to 2-inch pipe with up to 160 psi, Corzan recommends allowing a cure time of 30 minutes when it's 60 to 100 degrees Fahrenheit, 45 minutes when working in 40- to 60-degree temperatures and an hour when conditions are below 40 degrees. If you're working in a humid area, add 50 percent to the cure time.
Is all purpose cement good for CPVC?
This milky-clear, all-purpose cement can be used to solvent weld all schedules and classes of ABS, PVC and CPVC pipe and fittings up to 6 in.
Is it OK to use PVC glue on CPVC?
A: yes. The solvent cement will work on the piping. We recommend the use of the correct Weld-On primer and PVC solvent cement for the particular application.
What is the best glue for CPVC?
Oatey® CPVC Medium Bodied Fast Set Orange Cement is recommended for cold water systems and hot water systems up to 200°F / 93°C. It is approved for Corzan® CPVC piping systems. Its medium body has excellent gap filling properties and is easy to apply.
What is CPVC primer?
PVC and CPVC solvent cement and primer are used to create bonds between pipe, valves, and fittings. Some industries may refer to these products as PVC piping glue. Primer is applied first to clean and soften the material, then the cement is applied and the parts are joined together.
Why does CPVC become brittle?
The reason this is a problem is that cyclohexanone acts as a plasticizer and softens the CPVC polymer molecules facilitating disentanlement of the polymer chains. When the CPVC polymer chains disentangle from each other, the CPVC rapidly ages and becomes brittle.
Do you have to Prime PVC before cement?
Usually PVC jobs require about half the amount of primer as they do cement. In short, primer is your friend. It may not be completely necessary on all jobs, but we recommend you take all the precautions available to ensure your joints are leak-free and as strong as possible.
Do you need to sand CPVC?
In know that PVC should be chamfered and even lightly sanded before gluing for better insertion on the fitting (and probably some other reason). What about CPVC, a manual told me to just cut, apply glue and insert the pipe into the fitting keeping pressure. No sanding, no chamfering and no wiping with primer.
Can you use just purple primer on PVC?
1:292:26Purple Primer Or Pipe Cleaner When Installing PVC Waste Line Sewage ...YouTubeStart of suggested clipEnd of suggested clipAnd you've probably seen that on some of your your pvc that has been you know plumbed by aMoreAnd you've probably seen that on some of your your pvc that has been you know plumbed by a professional plumber. And that purple primer allows them to quickly see that it has been glued.
What is purple PVC used for?
Hercules® Purple Primer for PVC Pipe and Fittings is a professional-grade primer for use on all schedules and classes of PVC pipe and fittings. It removes contaminants such as surface dirt, grease and grime as well as softens the pipe surface to allow for a fast, secure solvent weld.
Is primer needed for PVC pipe?
Usually PVC jobs require about half the amount of primer as they do cement. In short, primer is your friend. It may not be completely necessary on all jobs, but we recommend you take all the precautions available to ensure your joints are leak-free and as strong as possible.
Why is PVC glue purple?
The purpose of the primer is to clean and soften the outer coating of the pipe so that the actual cement will bond more effectively. The purple color is just a dye so that it's easier to identify whether or not primer has been used on a particular joint.
Where do I keep primer?
I keep my primer in the same plastic box as the cement. It's so very easy to just do a quick prime - never have to worry about "local codes" - and probably get an optimal weld at the same time.
What cement is used for fittings?
fittings are joined with CPVC cements. The
Does PVC cement need primer?
Normally, it would be the manufacturer of the cement which would make a recommendation about primer or no primer. The PVC manufacturer would not care, because he only has to guarantee the material, NOT how it is connected.
Does Union Plumber have exp on Cpvc?
never on cpvc and pvc water lines but on pvc waste . Union plumber does not have any exp on these plumbing maters .
Can you leave primer on a job site?
Never!!! but leave an empty can of primer on job site?!Always do wipe excess glue from cpvc fittings maybe use a rag with primer on it to wipe.One step is a given .no code should weaken the joint or prevail over the use.If you do desire to appease the code enforcement, please do allow extra time and temp for the primer to completely dry before making the joint.
Why do you use PVC primer?
The reason for PVC primer is to remove the glaze from both pieces so the cement will react. PVC cement is much more then glue, as Milo points out. It melts the two surfaces so they "weld" together as they set up and cure.
Can you use primer on both pipe and fitting?
If you use Primer on both, pipe and fitting, your connection will be "welded". Welded connections hold more pressure than connections without Primer. We always use Primer regardless of pressure. I suggest you do the same. Good luck with your project.
Can you use cement without primer?
If it says to do it that way on the cement you are using, yes otherwise the cement won't properly hold. If you use Primer on both, pipe and fitting, your connection will be "welded". Welded connections hold more pressure than connections without Primer. We always use Primer regardless of pressure.
Does CPVC have primer?
CPVC has very specific primer. As Twinkiedooter said, read your cement can and purchase the primer recommended by the manufacturer. Using the wrong primer could result in a poor weld... ;)
Can you use purple primer on pipe?
Do I use both purple primer and cement to fittings and pipe? If it says to do it that way on the cement you are using, yes otherwise the cement won't properly hold. If you use Primer on both, pipe and fitting, your connection will be "welded".
What is purple cement?
Purple is for PVC and to start the softening process for cement and then the fittings. Others say, cleaner, then purple primer, then orange cement. While others also say, that without purple showing, the enforcement or inspector will see this and red flag, so purple all the way.
Is purple primer OK?
So purple primer is OK, and now we are talking about workmanship standards...which an inspector DOES NOT INSPECT. He would have to see something pretty egregious to even mention it. It is good practice to NOT slobber primer all over the inside of a pipe, and it IS good practice to flush well after installation.
Did primer work on valve repair?
Well, no primer was used for the repair, the cement used was not a 1 step process so, guess who is repairing the repair No pressure through there, I have the valves off although did test the repair to success, I now don't trust it.
Do you use PEX before Cpvc?
Personally, I'd use PEX before cpvc.
Do plumbers use plastic or copper?
Real plumbers have been having the "copper vs. plastic" discussions for decades. I personally, do not use plastic, but others swear by it. In your case, CPVC is the preferred plastic for many companies which repipe houses, but since it can have many more "connections" than PEX it has more possibilities for leaks and failures. WE cannot tell you why that particular connection failed, but a "longitudinal" split is usually because it was damaged, while a "radial" one could be caused by improper joining.
Can CPVC fail in Alabama?
Alabama. If CPVC is installed in a strain it will eventually fail. If cement is allowed to puddle inside the joint it "can" cause the pipe to fail at that point. Many common substances can damage the pipe......from caulks to the plastic cover on romex.
