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11/4X11/4X1/2 XH BLK 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
- Material Specification:
- ASTM A-197
- Pressure Rating Specification:
- ASME B16.3
- Size 1:
- 1.25
- Size 2:
- 1.25
- Size 3:
- 0.5
- Strength:
- XH
- Thread Specification:
- ASME B1.20.1
- Ul Fm:
- Yes
- Department:
- Plumbing
- Product Group:
- Pipe Fittings
- Product Subgroup:
- Tees
- Product Type:
- Tee
- Product Finish:
- Black
- Product Material:
- Malleable Iron
- Product Weight:
- 1.7 lbs
ASC Engineered Solutions 310523204 – Frequently Asked Questions
1) What size outlets does the ASC Engineered Solutions 310523204 black malleable iron tee have?
It's a reducing tee: two 1-1/4 inch runs and a 1/2 inch branch outlet. All three openings are female pipe thread (FPT), so it threads onto male-threaded pipe nipples on every port.
2) Will this tee thread onto standard NPT black pipe?
Yes. The threads are cut to ASME B1.20.1, which is the standard NPT taper thread spec, so it mates with ordinary threaded black steel pipe and nipples. Use pipe dope or PTFE tape on the male threads as normal.
3) What does the XH marking mean on this malleable iron tee?
XH is extra heavy, a thicker wall and higher pressure class than a standard class 150 malleable fitting. Pressure ratings follow ASME B16.3. If your drawing calls for class 300 extra heavy malleable, this is the class to use; a standard-weight tee is not a substitute.
4) Can this black malleable iron tee be used on a fire sprinkler line?
It carries a UL/FM listing, so it's acceptable for fire protection piping where a listed fitting is required. Confirm the class and size against your sprinkler drawings; this one is 1-1/4 x 1-1/4 x 1/2 extra heavy.
5) Is a black malleable iron tee OK for potable water?
No. Black malleable iron is for gas, fire protection, steam, and compressed air service, not domestic water, where it corrodes. For potable water lines use galvanized, copper, or CPVC fittings instead.
6) Will this tee match the laying length of other 1-1/4 inch malleable fittings?
Yes. Center-to-end dimensions are built to ASME B16.3, the same standard other malleable iron threaded fittings follow, so it drops into a run laid out with standard take-offs without re-cutting nipples.
7) Do I need anything else to install this reducing tee?
The tee itself is just the fitting. You supply threaded nipples or field-cut and threaded pipe, 1-1/4 inch for the two run ports and 1/2 inch for the branch, plus thread sealant rated for the service. No gaskets or hardware come with a threaded malleable fitting.
8) What material is this tee cast from, and does it meet a spec?
Cast malleable iron to ASTM A-197, the standard grade for cupola malleable iron pipe fittings. That's the material callout most mechanical specs reference for threaded malleable fittings.
9) How much does the 1-1/4 x 1-1/4 x 1/2 extra heavy black tee weigh?
About 1.7 lbs each. Worth knowing if you're figuring hanger spacing or freight on a large fitting order.
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Can I return it if it doesn’t work for me?
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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 310523204 come with a warranty?
Absolutely. The ASC Engineered Solutions 310523204 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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