Water Distribution

1. Cutting
Cutting. FlowGuard Gold^® pipe can be easily cut with a wheel type plastic tubing cutter, ratchet cutter or fine tooth saw. Ratchet cutters should be sharpened regularly. When saw cutting, a miter box should be used to insure a square cut. Squarely cut tubing will provide optimal bonding area within a joint. If any indication of damage or cracking is evident at the tubing end, cut off at least 2 inches beyond any visible crack.

2. Deburring/Beveling
Burrs and filings can prevent proper contact between tube and fitting during assembly, and should be removed from the outside and inside of the tubing. A chamfering tool is preferred but a pocketknife or file are suitable for this purpose. A slight bevel on the end of the tubing will ease entry of the tubing into the fitting socket and minimize the chances of pushing solvent cement to the bottom of the joint.

3. Fitting Preparation
Using a clean and dry rag, wipe dirt and moisture from the fitting sockets and tubing end. Check the dry fit of the tubing and fitting. The tubing should make contact with the socket wall 1/3 to 2/3 of the way into the fitting socket. At this stage there should be an interference fit, tubing should not bottom out in the socket.

4. Solvent Cement Application
USE ONLY CPVC CEMENT OR AN ALL-PURPOSE CEMENT CONFORMING TO ASTM F-493 OR JOINT FAILURE MAY RESULT. As a result of extensive testing, Lubrizol recommends the application of FlowGuard Gold^® One Step Cement on 1/2"-2" CTS tubing as the technically preferred method. However, if required by local code, primer, when properly applied, will have no negative effect on FlowGuard Gold^® CPVC joint integrity. When making a joint, apply a heavy, even coat of cement to the pipe end. Use the same applicator without additional cement to apply a thin coat inside the fitting socket. Too much cement can cause clogged waterways. DO NOT ALLOW EXCESS CEMENT TO PUDDLE IN THE FITTING AND PIPE ASSEMBLY AS THIS MAY LEAD TO PREMATURE FAILURE.

5. Assembly
Immediately insert the tubing into the fitting socket, rotating the tube 1/4 to 1/2 turn while inserting. This motion ensures an even distribution of cement within the joint. Properly align the fitting. Hold the assembly for approximately 10 seconds, allowing the joint to set-up. An even bead of cement should be visible around the joint. If this bead is not continuous around the socket edge, it may indicate that insufficient cement was applied. In this case, remake the joint to avoid potential leaks. Wipe excess cement from the tubing and fittings surfaces for an attractive, professional appearance.

Cure Times
A joint which has cured sufficient to pressure test may not exhibit its full joint strength. Solvent cement set and cure times are a function of pipe size, temperature, and relative humidity. Curing time is shorter for drier environments, smaller sizes, and higher temperatures. Refer to the following table for minimum cure times after the last joint has been made before pressure testing can begin. Use of primer and/or the presence of hot water extends cure time required for pressure testing. Special care should be exercised when assembling FlowGuard Gold^® CPVC systems in extremely low temperatures (below 40°F) or extrememly high temperatures (above 100°F). In extremely hot temperatures, make sure both surfaces to be joined are still wet with cement when putting them together.

Pressure Testing
Once an installation is completed and cured per the recommendations in Table 22, the system should be pressure tested in accordance with local code requirements.

When pressure testing, the system should be filled with water and all air bled from the highest and farthest points in the run. If a leak is found, the joint must be cut out and discarded. A new section can be installed using couplings. During sub-freezing temperatures, water should be blown out of the lines after testing to eliminate potential damage from freezing. When hydrostatic testing is not practical, please refer to the pipe and fittings manufacturer's recommendations.

1. Cutting
Corzan^® pipe can be easily cut with a mechanical saw or fine-toothed saw. To ensure a square cut, a mitre box should be used. Cutting the pipe as squarely as possible provides maximum bonding area in the most effective part of the joint.

2. Deburring/Beveling
Burrs and filings can prevent proper contact between the pipe and fitting during assembly, and should be removed from both the inside and outside of the pipe using a chamfering tool, file or reamer. A slight bevel should be placed at the end of the pipe to ease entry into the socket and minimize chances of pushing solvent cement to the bottom of the joint.

3. Fitting Preparation
Using a clean dry rag, wipe dirt and moisture from the fitting socket and pipe end. Moisture can slow the curing, and dirt can prevent adhesion.

Check the dry fit of the pipe and fitting. For a proper interference fit, the pipe should enter the fitting socket 1/3 to 2/3 of the depth.

4. Initial Fitting Priming
USE PRIMER CONFORMING TO ASTM F-656. Using an applicator one-half the size of the pipe diameter, aggressively work the primer into the fitting socket. Re-dip the applicator in the primer as required. Keep the socket and applicator wet until the surface has been softened. Once primed, remove any puddles of primer from the socket.

5. Pipe Priming
Once the fitting socket has been primed, aggressively work the primer around the end of the pipe to a depth of about 1/2" beyond the socket depth.

6. Fitting re-priming
Apply a second coat of primer to the fitting socket. Immediately, while both surfaces are still tacky, begin the solvent cementing process that follows.

7. Pipe solvent cement application
USE ONLY CPVC SOLVENT CEMENT CONFORMING TO ASTM F-493. Acceptable CPVC
solvent cements are available that are both orange and gray in color. Verify code requirements for acceptable color of solvent cement. Using an applicator one-half the size of the pipe diameter, aggressively work a heavy, even layer of cement onto the pipe end equal to the depth of the fitting socket.

8.Fitting solvent cement application
Without re-dipping the applicator in the cement, aggressively work a medium layer of cement into the fitting socket. Avoid puddling the cement in the fitting socket.

9. Pipe reapplication
Apply a second full, even layer of cement on the pipe.

10. Assembly
While the cement is still wet, immediately assemble the pipe and fitting, rotating the pipe 1/4 to 1/2 turn (if possible) until the fitting stop is reached. Hold the assembly together for approximately 30 seconds to avoid push out. A continuous bead of cement should be evident around the pipe and fitting juncture. If the bead is not continuous, sufficient cement was not applied and the joint may be defective. In this case, the fitting should be discarded and the joint reassembled.

Wipe excess cement from the pipe and fittings surfaces for an attractive, professional appearance.

Note: For 6 inch or larger diameter pipe, a pipe puller (come-a-long) is recommended to assemble the joint and hold it in place for the initial set time without applying excess force that may damage the pipe or fitting. This equipment should be set up prior to the start of priming so the assembly can happen quickly while primer and cement are still fluid.

11. Set time
After a joint is assembled using primer and solvent cement, it should not be disturbed for a period of time to allow for the proper "set" of the newly prepared joint. These times must be adjusted for weather conditions (relative humidity). In damp or humid weather, allow for 50% more set time. Recommended set times are below:

12. Cure times
A joint which has cured sufficient to pressure test may not exhibit its full joint strength. Solvent cement cure times are a function of pipe size, temperature, and relative humidity. Curing times are shorter for drier environments, smaller sizes, and higher temperatures. Moisture can slow the cure time and reduce joint strength. Reference the following table for the minimum cure times after the last joint has been made before pressure testing can begin. The presence of hot water extends the cure time required for pressure testing.