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3X3X11/4 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:
- 3
- Size 2:
- 3
- 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:
- Black
- Product Material:
- Malleable Iron
- Product Weight:
- 4.5 lbs
ASC Engineered Solutions 310055009 – Frequently Asked Questions
1) What are the three port sizes on the ASC Engineered Solutions 310055009 black malleable iron tee?
It's a reducing tee with two 3 inch runs and a 1-1/4 inch branch. All three openings are female pipe thread (FPT), so it takes male threaded pipe nipples on every port. Threads are cut to ASME B1.20.1, the standard NPT thread spec, so it mates with any standard NPT threaded pipe or nipple in those sizes.
2) Is a black malleable iron tee OK for potable water, or do I need galvanized?
Black fittings like this one are meant for gas, fire protection, steam, and closed-loop hydronic service, not potable water. The black finish has no corrosion coating for wet domestic lines. For potable water use a galvanized malleable iron tee in the same 3 x 3 x 1-1/4 configuration, or copper/CPVC per your local code.
3) Will this tee interchange with another manufacturer's 3 x 3 x 1-1/4 malleable iron tee?
It should. Body dimensions follow ASME B16.3 and threads follow ASME B1.20.1, so center-to-end and thread engagement match any other B16.3 standard weight reducing tee of the same sizes. Swapping brands on an existing run won't change your takeout.
4) Is this a standard weight or extra heavy fitting?
Standard weight (STD), pressure rated to ASME B16.3. Extra heavy (XH) malleable iron tees are a separate class with thicker walls and a higher rating, so if your spec calls out 300 lb class fittings, this one doesn't cover it.
5) What grade of malleable iron is this tee cast from?
The casting meets ASTM A-197, the specification for cupola malleable iron used in threaded pipe fittings. That's the material callout most mechanical and fire protection specs reference for black MI fittings.
How fast can I get the ASC Engineered Solutions 310055009 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 310055009 come with a warranty?
Absolutely. The ASC Engineered Solutions 310055009 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 310055009?
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