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11/2X11/2X1/2 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:
- 1.5
- Size 2:
- 1.5
- Size 3:
- 0.5
- 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:
- 1.19 lbs
ASC Engineered Solutions 310046008 – Frequently Asked Questions
1) What size openings does the ASC 1-1/2 x 1-1/2 x 1/2 black malleable iron tee have?
It's a reducing tee: the run is 1-1/2 inch on both ends and the branch outlet is 1/2 inch. All three openings are female pipe thread (FPT), so it threads onto male-threaded pipe nipples on every port. Use it where you need to pull a 1/2 inch branch off a 1-1/2 inch line without adding a bushing.
2) Are the threads on this malleable iron tee NPT so it will mate with standard black pipe?
Yes. Threads are made to ASME B1.20.1, the standard for NPT pipe threads, so the tee mates with any standard-cut black or galvanized steel pipe nipple in the matching size. Dimensions follow ASME B16.3 for malleable iron threaded fittings, so lay length and thread engagement match other B16.3 fittings you already have on the line.
3) Can I use this black malleable iron tee on a fire sprinkler line?
It carries UL/FM approval, which is what an AHJ looks for on fire protection piping. It's standard (STD) class malleable iron to ASTM A-197 with pressure ratings per ASME B16.3. Confirm the rating class matches your system's working pressure on the drawings, since STD class fittings sit below extra-heavy in pressure capability.
4) Should I use a black or galvanized malleable iron tee?
This one is black finish malleable iron, which is the usual choice for gas piping, fire sprinkler systems, and closed-loop hydronic heating where the water isn't oxygenated. Galvanized is what you want on domestic potable water or wet lines exposed to moisture, because the zinc coating resists rust. Black fittings on an open potable system will corrode.
5) Do I need a reducing bushing with this tee to land a 1/2 inch branch?
No bushing needed. The 1/2 inch reduction is cast into the branch of the tee itself, so you thread a 1/2 inch male nipple straight into the outlet. That saves a joint compared to running a full 1-1/2 x 1-1/2 x 1-1/2 tee with a 1-1/2 to 1/2 bushing, and one less connection is one less place to leak.
6) What's the part number and weight on the ASC 1-1/2 x 1-1/2 x 1/2 black tee?
Manufacturer part number is 310046008 from ASC Engineered Solutions, and each fitting weighs 1.19 lbs. Handy if you're figuring hanger spacing or freight on a bulk order of branch tees.
7) Is malleable iron the right fitting for a threaded 1-1/2 inch steel line, or should I use cast iron?
Malleable iron to ASTM A-197 is the standard threaded fitting material for steel pipe. It's been annealed so it has ductility that gray cast iron doesn't, which matters when you're wrenching threads tight and when the line sees vibration or thermal movement. Cast iron drainage fittings are a different animal, meant for gravity DWV, not pressure service.
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Does the ASC Engineered Solutions 310046008 come with a warranty?
Absolutely. The ASC Engineered Solutions 310046008 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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