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11/2X11/2X11/4 GALV MI TEE
Manufacturer Resources
Product Specs
- Dimensions Specification:
- ASME B16.3
- End Conn Size 1:
- FPT
- End Conn Size 2:
- FPT
- End Conn Size 3:
- FPT
- Finish Specification:
- ASTM A-153
- Material Specification:
- ASTM A-197
- Pressure Rating Specification:
- ASME B16.3
- Size 1:
- 1.5
- Size 2:
- 1.5
- Size 3:
- 1.25
- Strength:
- STD
- Thread Specification:
- ASME B1.20.1
- Ul Fm:
- Yes
- Department:
- Plumbing
- Product Group:
- Pipe Fittings
- Product Subgroup:
- Tees
- Product Type:
- Tee
- Product Finish:
- Galvanized
- Product Material:
- Malleable Iron
- Product Weight:
- 1.51 lbs
ASC Engineered Solutions 311045405 – Frequently Asked Questions
1) What size openings does the ASC Engineered Solutions galvanized malleable iron reducing tee have?
It's a 1-1/2 x 1-1/2 x 1-1/4 inch tee: the run is 1-1/2 inch on both ends and the branch reduces to 1-1/4 inch. All three openings are female pipe thread (FPT), so pipe or nipples thread into the fitting rather than over it. Use it where you're taking a 1-1/4 inch branch off a 1-1/2 inch line without adding a bushing.
2) Will this galvanized tee thread onto standard black or galvanized steel pipe?
Yes. The threads are cut to ASME B1.20.1, which is standard NPT taper thread, so it mates with any standard threaded steel or iron pipe and nipples of the matching size. Dope or tape the male threads as usual.
3) Is this ASC malleable iron tee UL Listed and FM Approved for fire sprinkler work?
Yes, the 1-1/2 x 1-1/2 x 1-1/4 galvanized malleable tee carries UL/FM recognition, which is what a sprinkler contractor needs to use it on a wet or dry fire protection line. Galvanized is also the usual call on dry systems where internal corrosion is the concern.
4) What is the galvanizing on this tee, and will it hold up outdoors or in a damp mechanical room?
The coating is hot-dip galvanizing to ASTM A-153, the specification for zinc coating on iron and steel hardware. That's a heavier, more durable zinc layer than electroplating and is what's normally specified for exterior, buried, or wet-environment threaded fittings.
5) Is this tee interchangeable with the black malleable iron tee I have now?
Dimensionally yes, if the black fitting is the same 1-1/2 x 1-1/2 x 1-1/4 size and standard weight. Both follow ASME B16.3 for dimensions, so the center-to-end lay length and thread engagement match. The difference is the galvanized coating instead of bare black iron. Don't mix galvanized fittings onto copper or into potable lines where your local code restricts galvanized.
6) What material is this tee, and can I use it on a gas line?
It's malleable iron to ASTM A-197, the standard for cupola malleable iron used in threaded pipe fittings. Malleable iron is the common material for threaded fuel gas piping fittings, but gas work is governed by your local fuel gas code and inspector, and many jurisdictions require black rather than galvanized on gas. Confirm with the AHJ before installing a galvanized fitting on gas.
7) What is the manufacturer part number for this ASC galvanized reducing tee?
The ASC Engineered Solutions part number is 311045405, for the 1-1/2 x 1-1/2 x 1-1/4 galvanized malleable iron tee with FPT ends.
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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 ASC Engineered Solutions 311045405 come with a warranty?
Absolutely. The ASC Engineered Solutions 311045405 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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