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3/4X1/2X1/2 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:
- 0.75
- Size 2:
- 0.5
- 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:
- 0.78 lbs
ASC Engineered Solutions 310520804 – Frequently Asked Questions
1) What size openings does the ASC Engineered Solutions 3/4 x 1/2 x 1/2 black malleable iron tee have?
It's a reducing tee with a 3/4 inch run inlet and two 1/2 inch outlets. All three openings are female pipe thread (FPT), so it threads directly onto male-threaded pipe nipples at every port. That combination lets you branch down from a 3/4 inch line to two 1/2 inch takeoffs without adding separate bushings.
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 ordinary black or galvanized threaded steel pipe and nipples. Use pipe dope or PTFE tape on the male threads as you would with any tapered joint.
3) Can I use a black malleable iron tee on a potable water line?
No. Black malleable iron fittings are for gas, air, steam, and non-potable service, and for fire protection piping. The black finish has no protective coating for wet potable service, where copper, PEX, CPVC, or brass is used instead. For a wet non-potable steel line that needs corrosion resistance, use a galvanized malleable fitting rather than black.
4) Is this tee approved for fire sprinkler piping?
It carries UL/FM recognition, which is what an inspector looks for on fire protection piping. Combined with the ASME B16.3 dimensional and pressure-class basis, it is the type of threaded malleable fitting used on sprinkler branch lines. Confirm the required pressure class against your sprinkler drawings before you install.
5) Does this ASC tee meet the ASME B16.3 spec called out on my drawings?
Yes. Both the dimensions and the pressure rating follow ASME B16.3, the standard for threaded malleable iron fittings, and the casting is made to ASTM A-197 malleable iron. If your submittal calls for a B16.3 threaded MI tee in black, this one answers the callout.
6) What is the manufacturer part number for the ASC 3/4 x 1/2 x 1/2 black tee?
Order it as ASC Engineered Solutions part 310520804. That number covers the black malleable iron reducing tee with a 3/4 inch run and two 1/2 inch outlets, all female threaded.
7) Do I need a bushing to run 1/2 inch branches off my 3/4 inch black iron line?
Not with this fitting. Because the reduction is cast into the tee itself, the 3/4 inch run and the 1/2 inch branches all land on the tee's own female threads. That is one less joint per takeoff than a full-size 3/4 tee plus reducing bushings, which matters on gas piping where every threaded joint is another leak path.
8) How much does a 3/4 x 1/2 x 1/2 malleable iron tee weigh for takeoff and hanger loading?
Each fitting weighs 0.78 lbs. That is useful when you are figuring hanger spacing and total piping load on a gas or sprinkler run with a lot of branch fittings, and for estimating freight on a bulk order.
How fast can I get the ASC Engineered Solutions 310520804 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 310520804 come with a warranty?
Absolutely. The ASC Engineered Solutions 310520804 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 310520804?
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