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11/4 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:
- 1.25
- Size 2:
- 1.25
- 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:
- 1.31 lbs
ASC Engineered Solutions 310030408 – Frequently Asked Questions
1) Are all three openings on the ASC 1-1/4 inch black malleable iron tee the same size?
Yes, it's a straight tee: all three outlets are 1-1/4 inch, female pipe thread on every port. No reducing branch, so it's for running a full-size branch off a 1-1/4 inch line without adding a bushing.
2) Can I use this black malleable iron tee on a fire sprinkler system?
It is UL/FM listed, which is the approval fire protection inspectors look for on threaded sprinkler branch fittings. It's standard pattern malleable iron built to ASME B16.3 for both dimensions and pressure rating.
3) Is a black malleable iron tee OK for a potable water line?
No. Black malleable iron is for gas, fire protection, air, and low pressure steam or non-potable service. The black finish is a mill coating with no corrosion protection against water, so use galvanized or copper on potable lines.
4) Is this a standard or extra heavy malleable iron tee?
Standard pattern (Class 150), not extra heavy. It's dimensioned and pressure rated to ASME B16.3, so it interchanges with any other Class 150 standard malleable tee of the same size on the same nipple lengths.
5) What grade of iron is this tee cast from?
It's malleable iron produced to ASTM A-197, the standard grade for cast threaded pipe fittings. Malleable iron is used here rather than cast iron because it tolerates the thread engagement and wrenching loads of a screwed joint.
6) How much does a 1-1/4 inch black malleable tee weigh for takeoff purposes?
1.31 lbs each. Worth factoring into hanger spacing and support calcs when you've got a run with several branch tees in it.
7) What's the manufacturer part number for the ASC 1-1/4 inch black malleable tee?
ASC Engineered Solutions part number 310030408. That's the number to quote when matching the rest of a black iron fitting package.
How fast can I get the ASC Engineered Solutions 310030408 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 310030408 come with a warranty?
Absolutely. The ASC Engineered Solutions 310030408 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 310030408?
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Why buy the ASC Engineered Solutions 310030408 from ZenSupply?
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