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1X1X11/4 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
- Size 2:
- 1
- 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:
- 0.92 lbs
ASC Engineered Solutions 310045000 – Frequently Asked Questions
1) What are the three port sizes on the ASC Engineered Solutions 310045000 black malleable iron tee?
It's a reducing tee: two 1 inch ports and one 1-1/4 inch port. All three openings are female pipe thread (FPT), so it takes threaded pipe or nipples on every branch. Use it where a 1-1/4 inch line needs to reduce into 1 inch runs without adding a separate bushing.
2) Will this black malleable iron tee thread onto standard NPT pipe?
Yes. The threads are cut to ASME B1.20.1, which is the standard NPT taper thread spec, so it mates with any standard threaded steel or iron pipe and nipples. Dope or tape the male threads as usual for a seal.
3) Can I use a black malleable iron tee on a potable water line?
No. Black malleable iron fittings are for gas, air, oil, and non-potable service such as fire protection or steam. The black finish has no corrosion protection against water, and for potable supply you want copper, PEX, CPVC, or brass. For water lines in iron pipe, galvanized is the equivalent fitting.
4) Is this tee approved for fire sprinkler piping?
It carries UL/FM approval, so it can be used on fire protection piping where a listed fitting is required. Dimensions follow ASME B16.3 and the iron is made to ASTM A-197, which is what an inspector or AHJ will look for on a threaded malleable iron fitting.
5) Is this a Class 150 standard tee or an extra heavy fitting?
Standard pattern (STD), rated per ASME B16.3, which is the Class 150 malleable iron fitting standard. If your drawing calls for Class 300 extra heavy, this is not the fitting for that spec.
6) Will a 1 x 1 x 1-1/4 reducing tee interchange with a straight 1-1/4 tee plus bushings?
Functionally it gets you to the same place, but the reducing tee is a single fitting with fewer joints to leak and a shorter overall lay length than a full-size tee with two bushings threaded in. On a tight takeoff or a gas line where you want to minimize connections, the reducing tee is the cleaner call. Both branch ports here are 1 inch FPT and the run port is 1-1/4 inch FPT.
7) How much does the ASC 1 x 1 x 1-1/4 black tee weigh for a bulk order?
Each fitting weighs 0.92 lbs. Handy if you're pricing freight on a pallet of them or calculating hanger loads on a long threaded run.
8) Do malleable iron tees like this need to be threaded on site or can I order them prepped?
The tee comes with female NPT threads already cut to ASME B1.20.1 on all three openings. What you thread on site is the pipe itself, so plan for nipples or field-cut and threaded pipe ends to land in it. No welding, no soldering, no gaskets involved.
How fast can I get the ASC Engineered Solutions 310045000 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 310045000 come with a warranty?
Absolutely. The ASC Engineered Solutions 310045000 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 310045000?
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