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11/2X11/4X1/2 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:
- 1.5
- Size 2:
- 1.25
- Size 3:
- 0.5
- Strength:
- STD
- Thread Specification:
- ASME B1.20.1
- Ul Fm:
- Yes
- Department:
- Plumbing
- Product Group:
- Plumbing Fittings
- Product Subgroup:
- Tees
- Product Type:
- Tee
- Product Finish:
- Black
- Product Material:
- Malleable Iron
- Product Weight:
- 1.05 lbs
ASC Engineered Solutions 310047006 – Frequently Asked Questions
1) What do the three sizes on the 1-1/2 x 1-1/4 x 1/2 black malleable iron tee mean?
It's a reducing tee with three different female threaded openings: one run end at 1-1/2 inch, the opposite run end at 1-1/4 inch, and the branch outlet at 1/2 inch. So you run 1-1/2 inch pipe into it, continue at 1-1/4 inch, and take a 1/2 inch branch off the side. All three are FPT, so they take male pipe thread on the mating pipe or nipple.
2) Can I use a black malleable iron tee on a potable water line?
No. Black malleable iron is for gas, air, steam, and non-potable service. The black finish has no corrosion protection for water, so it rusts in a domestic water line. For potable water use galvanized malleable iron, copper, or CPVC instead. Black iron is the standard choice for fuel gas piping and fire sprinkler mains.
3) Is this tee approved for fire sprinkler work?
The fitting carries UL/FM recognition, which is what an AHJ looks for on sprinkler piping. It's a standard pattern (STD) Class 150 malleable iron fitting rated per ASME B16.3, cast to ASTM A-197 malleable iron. Confirm the pressure class matches your system design before you commit.
4) Does this fitting meet spec for a gas line called out as Class 150 malleable iron?
It's built to the two specs that call-out normally references: ASME B16.3 for both dimensions and pressure rating, and ASTM A-197 for the malleable iron castings. Strength is listed as STD, which is the standard (Class 150) pattern rather than the heavier 300 class. If the drawing calls for Class 300, this is not the fitting.
5) Why use a reducing tee instead of a full size tee with bushings?
A 1-1/2 x 1-1/4 x 1/2 reducing tee does in one casting what would otherwise take a 1-1/2 inch tee plus two bushings. Fewer joints means fewer leak paths, less makeup length to plan for, and a cleaner result on inspected gas or sprinkler work where some jurisdictions restrict bushings. It also holds the ASME B16.3 center-to-end dimensions, so your pipe cuts come off a published table rather than a guess.
How fast can I get the ASC Engineered Solutions 310047006 delivered?
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Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the ASC Engineered Solutions 310047006 come with a warranty?
Absolutely. The ASC Engineered Solutions 310047006 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the ASC Engineered Solutions 310047006?
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