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1/4X1/4X1/8 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:
- 0.25
- Size 2:
- 0.25
- Size 3:
- 0.125
- 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:
- 0.13 lbs
ASC Engineered Solutions 310035803 – Frequently Asked Questions
1) What are the three port sizes on the ASC Engineered Solutions black malleable iron reducing tee, model 310035803?
It's a 1/4 x 1/4 x 1/8 reducing tee. The run is 1/4 inch on both ends and the branch outlet drops to 1/8 inch. All three openings are female pipe thread (FPT), so it takes male-threaded pipe or nipples on every port.
2) Will this 1/4 inch malleable iron tee thread onto standard NPT pipe and nipples?
Yes. The threads are cut to ASME B1.20.1, which is the standard NPT taper thread spec, so it mates with any standard NPT male-threaded black pipe or nipple in the matching size. Use pipe dope or PTFE tape on the taper as usual.
3) Is this black iron tee suitable for a fire sprinkler line?
It carries a UL/FM designation, which is what an inspector looks for on fire protection piping. Dimensions and pressure rating follow ASME B16.3 for standard (STD) class malleable iron, and the body is ASTM A-197 malleable iron. Confirm the class your sprinkler drawing calls for, since STD and 300-class fittings are not interchangeable on a rated system.
4) Can I use a black malleable iron tee on a potable water line?
No. Black malleable iron fittings are for gas, air, steam, fire protection, and other non-potable service. The black finish here is a mill/oil coating with no corrosion protection for water, so it rusts in a domestic water line. For water you want galvanized malleable iron, brass, or copper instead.
5) What is the difference between a reducing tee like the 1/4 x 1/4 x 1/8 and using a straight tee with a bushing?
The reducing tee gives you the 1/8 inch branch built into the casting, so it's one fitting, one thread joint per port, and a shorter overall takeout. Running a 1/4 straight tee with a 1/4 x 1/8 bushing adds a joint, adds length off the branch, and adds another potential leak path. On gauge taps, drip legs, and tight instrument piping the reducing tee is the cleaner install.
6) What does the ASME B16.3 marking on a malleable iron fitting actually mean for the job?
B16.3 is the dimensional and pressure-class standard for threaded malleable iron fittings. Because this tee is built to it, its center-to-end takeout matches any other B16.3 standard-class fitting in the same size, so your pipe cut lengths work the same regardless of which conforming brand is already in the line. It also sets the pressure class for the STD rating.
7) How much does this small black iron tee weigh for shipping or overhead support calcs?
0.13 lbs each. At that weight a handful of them adds nothing meaningful to a hanger load, but it matters if you're pricing out a bulk box for a service truck restock.
How fast can I get the ASC Engineered Solutions 310035803 delivered?
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reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the ASC Engineered Solutions 310035803 come with a warranty?
Absolutely. The ASC Engineered Solutions 310035803 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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