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11/2X11/2X11/4 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:
- 1.5
- Size 2:
- 1.5
- 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:
- 1.45 lbs
ASC Engineered Solutions 310045406 – Frequently Asked Questions
1) What sizes are the three openings on this ASC black malleable iron tee?
It is a reducing tee: the run is 1-1/2 inch on both ends and the branch outlet is 1-1/4 inch. All three openings are female pipe thread (FPT), so it takes male threaded pipe nipples on every port. Use it where you need to pull a 1-1/4 inch branch off a 1-1/2 inch run without adding a separate bushing.
2) Is a black malleable iron tee OK for a wet sprinkler line, or do I need galvanized?
This one carries a UL/FM listing, which is what an AHJ looks for on fire protection piping, and black malleable iron is the usual choice on wet systems. Galvanized is typically specified for dry and preaction systems where condensation is a concern. Black finish also means it is not intended for potable water service.
3) Is this a standard or extra heavy fitting, and what pressure class is that?
Standard pattern (STD), which in malleable iron threaded fittings is the Class 150 body covered by ASME B16.3. Extra heavy would be the Class 300 pattern with thicker walls and a different face-to-center dimension, so the two are not laydown-interchangeable on an existing run.
4) Can I use this for natural gas or compressed air piping?
Black malleable iron with NPT threads is the standard fitting family for gas and air distribution, and this tee meets ASME B16.3 for dimensions and pressure rating with B1.20.1 threads. Joints need a thread sealant rated for the service you are running, and local gas code governs the install.
5) Do I need a reducing bushing in the branch of this tee?
No. The 1-1/4 inch branch is cast into the fitting, so you thread 1-1/4 inch pipe straight in. Using a full 1-1/2 x 1-1/2 x 1-1/2 tee plus a 1-1/2 to 1-1/4 bushing adds a joint and a leak path you do not need here.
6) How much does this 1-1/2 x 1-1/2 x 1-1/4 tee weigh for a hanger and load takeoff?
1.45 lbs each. Worth counting when you are stacking a long horizontal run with multiple branch takeoffs and sizing hanger spacing, since malleable fittings add up faster than the pipe alone suggests.
7) What is the ASC part number for this black malleable tee?
The manufacturer part number is 310045406 from ASC Engineered Solutions, a 1-1/2 x 1-1/2 x 1-1/4 black malleable iron reducing tee, all ends female threaded.
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Does the ASC Engineered Solutions 310045406 come with a warranty?
Absolutely. The ASC Engineered Solutions 310045406 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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