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3X3X21/2 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:
- 2.5
- 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:
- 6.09 lbs
ASC Engineered Solutions 310054408 – Frequently Asked Questions
1) What size pipe does the ASC 3 x 3 x 2-1/2 black malleable iron tee connect?
It's a reducing tee: the run is 3 inch on both ends and the branch outlet reduces to 2-1/2 inch. All three openings are female pipe thread (FPT), so it threads directly onto male NPT pipe ends or nipples. Use it where a 3 inch main needs a 2-1/2 inch takeoff without adding a separate bushing at the branch.
2) Can I use this black malleable iron tee on a fire sprinkler system?
It carries UL/FM approval, which is what an AHJ looks for on threaded fittings in a wet or dry sprinkler system. It's Class 150 standard pattern malleable iron per ASME B16.3, black finish, which is the usual choice for fire protection and black steel pipe work rather than potable water.
3) Is black malleable iron OK for potable water lines?
No. Black malleable iron is for gas, fire protection, steam, and non-potable process piping. It has no protective coating and will rust in a water line. For potable water on threaded pipe you want galvanized fittings or copper/CPVC instead.
4) What is STD strength on a malleable iron fitting, and is that heavy enough for my system pressure?
STD means standard pattern, the Class 150 malleable iron fitting covered by ASME B16.3, as opposed to the heavier extra-heavy Class 300 pattern. Standard pattern covers the great majority of threaded gas, fire protection, and low pressure steam work. If your drawing calls out Class 300 or extra-heavy fittings, this is not the right tee.
5) Do I need a reducing bushing with this tee to get down to 2-1/2 inch?
No. The branch is already cast at 2-1/2 inch female thread, so a 2-1/2 inch nipple or pipe threads straight in. You would only need a bushing if you were going to a size below 2-1/2 on that outlet. What you will need is pipe thread sealant or PTFE tape rated for your service, since the joint seals on tapered NPT threads.
6) What does the ASTM A-197 marking on this tee mean?
A-197 is the ASTM material spec for cupola malleable iron castings, which is the grade this tee is cast from. If a submittal or spec section calls for malleable iron fittings to ASTM A197, this one meets that callout.
7) How heavy is a 3 x 3 x 2-1/2 malleable iron tee for overhead work?
About 6.09 lbs each. That matters when you're pricing out hanger spacing and figuring how many you can carry up a lift at once on an overhead sprinkler or gas main run.
8) What is the ASC Engineered Solutions part number for the 3 x 3 x 2-1/2 black tee?
The manufacturer part number is 310054408. That's the identifier to quote when matching a submittal or reordering to keep a job standardized on one fitting line.
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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 310054408 come with a warranty?
Absolutely. The ASC Engineered Solutions 310054408 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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