8 oz. CPVC All Weather Flowguard Gold® 1-Step Yellow Cement
31911 - spec sheet
Features
- Low VOC solvent cement that meets California South Coast Air Quality Management Districts (SCAQMD) 1168/316A or BAAQMD Method 40 requirements, meets ASTM Standard F493 and complies with NSF/ANSI 61 health effects requirements
- Please refer to the Oatey Limited Warranty for warranty details
- Can be used on copper tube sizes (CTS) CPVC hot and cold potable water pipes and fittings up to 2 in. diameter with interference fit
- Helps protect pipes from corrosion
- For cold and hot water systems up to 200°F / 93°C
- Approved for use with FlowGuard Gold® piping systems (registered trademark of Lubrizol Corporation)
- Recommended application temperature of 0°F to 110°F / -17°C to 43°C
- No primer needed where local codes permit
- All weather yellow cement solvent welds CPVC, dauber included
31911 - spec sheet
Manufacturer Resources
Product Specs
- Application Type:
- Pressure Pipe
- Maximum Application Temperature C:
- 43
- Maximum Application Temperature F:
- 110
- Maximum Use Temperature C:
- 93
- Minimum Application Temperature C:
- -18
- Minimum Application Temperature F:
- 0
- Volume:
- 0.019
- Department:
- Plumbing
- Product Group:
- Plumbing
- Product Subgroup:
- Pipe Cements & Primers
- Product Type:
- Cement/Primer
- Product Finish:
- Gold
- Product Material:
- CPVC
- Product Weight:
- 0.642
OATEY 31911 – Frequently Asked Questions
1) Can I use Oatey 31911 yellow cement on FlowGuard Gold CPVC without a primer?
The Oatey 31911 is a one-step CPVC cement, so no separate primer is needed where local codes permit. It's approved for use with FlowGuard Gold piping systems. Some jurisdictions still require a primed joint regardless of the cement's one-step rating, so the inspector's call governs on a permitted job.
2) Can I solvent weld CPVC with Oatey 31911 in freezing weather?
This is the all-weather formulation, and the recommended application temperature range runs from 0 F to 110 F (-18 C to 43 C). That covers most winter work outside and in unheated mechanical rooms. Below zero or above 110 F, you're outside the recommended window and joint quality is no longer covered by the application spec.
3) What water temperature can a joint made with Oatey 31911 CPVC cement take?
Joints made with the 31911 are rated for cold and hot water systems up to 200 F / 93 C. That's the usual domestic hot water service range, which is why CPVC gets specified where PVC can't go. Don't confuse this with the application temperature, which is the ambient air range you glue in (0 F to 110 F), not the service temperature of the finished line.
4) Is Oatey 31911 approved for potable drinking water lines?
Yes. The 31911 complies with NSF/ANSI 61 health effects requirements and meets ASTM F493, the standard for CPVC solvent cement, and it's specified for CPVC hot and cold potable water pipe. Those are the two lines a plumbing inspector or an institutional spec normally asks for on a domestic water system.
5) Will Oatey 31911 CPVC cement meet low-VOC rules in California?
It's a low-VOC solvent cement that meets South Coast Air Quality Management District (SCAQMD) Rule 1168/316A and BAAQMD Method 40 requirements. If you're buying for jobs in the SCAQMD or Bay Area districts, or for a facility that standardizes on low-VOC chemicals across its properties, this is the compliant version.
6) Can I use this yellow CPVC cement on PVC or on CPVC DWV pipe?
No. The 31911 is formulated for CPVC pressure pipe, specifically CTS potable water lines up to 2 inches. For PVC drain, waste and vent work you want a PVC cement rather than this CPVC formulation, and for a PVC-to-CPVC transition the usual answer is a threaded or mechanical adapter, not a solvent weld between the two materials.
7) Why is the CPVC cement yellow instead of orange or clear?
Yellow is the trade color convention for one-step CPVC cement, and on FlowGuard Gold systems it makes an inspector's job simple: the yellow bead at the socket is visible proof the correct CPVC cement was used rather than a PVC product. If your inspector or spec calls for a visible colored cement on CPVC potable lines, the 31911 satisfies it.
8) How much cement is in the Oatey 31911 can and how heavy is it to ship?
The 31911 is the 8 oz can, about 0.019 cubic feet of volume, with a shipped weight of 0.642 pounds. For MRO stock or a truck kit, that's the size most plumbers carry for repair and small remodel CTS work rather than for a full rough-in of a building.
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reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the OATEY 31911 come with a warranty?
Absolutely. The OATEY 31911 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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