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3/4X1/2X1/2 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:
- 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:
- Pipe Fittings
- Product Subgroup:
- Tees
- Product Type:
- Tee
- Product Finish:
- Black
- Product Material:
- Malleable Iron
- Product Weight:
- 0.43 lbs
ASC Engineered Solutions 310038807 – Frequently Asked Questions
1) What are the three port sizes on the ASC Engineered Solutions 3/4 x 1/2 x 1/2 black malleable iron tee?
It's a reducing tee: the run is 3/4 inch on one end and 1/2 inch on the other, with a 1/2 inch branch outlet. All three openings are female pipe thread (FPT), so it takes male threaded pipe nipples on every port.
2) Is this tee UL Listed and FM Approved for fire sprinkler piping?
Yes, the fitting carries UL/FM recognition, which is what an inspector looks for on wet-pipe sprinkler branch lines. It is a standard weight black malleable iron fitting made to ASME B16.3 for both dimensions and pressure rating.
3) Can I use a black malleable iron tee on a domestic water line?
No. Black malleable iron is for gas, fire protection, air, and steam service, not potable water, because the uncoated iron rusts in wet service. For potable water use galvanized malleable iron, brass, or copper. Black fittings like this 3/4 x 1/2 x 1/2 tee are what you want on a black steel gas line or a sprinkler branch.
4) What does STD strength mean on this malleable iron fitting, and when would I need something heavier?
STD is standard weight, Class 150 malleable iron, rated and dimensioned per ASME B16.3. That covers typical gas, air, and sprinkler branch work. For higher pressure service you would step up to Class 300 extra heavy malleable iron, which has thicker walls and larger overall dimensions, so it is not a drop-in swap with standard weight.
5) Will this ASC tee match the lay length of the fitting I am replacing?
If the old fitting is a standard weight malleable iron tee, yes. This one is made to ASME B16.3 dimensions, which fixes center-to-end and thread engagement for a 3/4 x 1/2 x 1/2 reducing tee, so any B16.3 standard weight tee from any manufacturer makes up at the same length. You will not have to re-cut nipples.
6) What grade of iron is this tee made from?
ASTM A197 malleable iron, the cupola malleable grade used for threaded pipe fittings. Malleable iron takes thread cutting and wrench torque without the brittleness of plain cast iron, which is why it is the standard for screwed gas and sprinkler fittings.
7) What is the ASC Engineered Solutions part number for this reducing tee?
Order it as ASC Engineered Solutions model 310038807, a 3/4 x 1/2 x 1/2 black malleable iron tee.
How fast can I get the ASC Engineered Solutions 310038807 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 310038807 come with a warranty?
Absolutely. The ASC Engineered Solutions 310038807 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 310038807?
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