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1/2X1/2X3/4 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:
- 0.5
- Size 2:
- 0.5
- Size 3:
- 0.75
- 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:
- 0.45 lbs
ASC Engineered Solutions 310039607 – Frequently Asked Questions
1) Which outlet on the ASC 1/2 x 1/2 x 3/4 black malleable iron tee is the 3/4 inch?
It's a reducing tee with two 1/2 inch ends and one 3/4 inch end. On a reducing tee written this way the run is the first two sizes, so the run is 1/2 inch and the branch outlet is the larger 3/4 inch. All three openings are female pipe thread.
2) Will this black malleable iron tee thread onto standard black steel pipe nipples?
Yes. The threads are cut to ASME B1.20.1, which is standard NPT, so it mates with any NPT male thread, black steel pipe, nipples, or the male end of another fitting. All three openings are female, so you need male threads or nipples going in.
3) Can I use a black malleable iron tee on a water line?
Black malleable iron is the standard choice for gas, air, steam, and fire sprinkler work, not for potable water. The black finish is a mill coating, not a corrosion barrier, so wet potable service rusts it. For water lines use the galvanized version of the same fitting or a copper/CPVC transition.
4) Is this ASC tee approved for fire sprinkler piping?
It carries UL/FM recognition, which is what an AHJ looks for on fire protection piping. It is also made to ASME B16.3 for dimensions and pressure rating and ASTM A-197 malleable iron, the usual spec set called out on sprinkler and mechanical drawings.
5) Is this a standard (150) class fitting or extra heavy?
Standard weight. The strength rating is STD, and dimensions and pressure rating both follow ASME B16.3. If your drawing calls for extra heavy or Class 300, this is not the fitting for that line.
6) How much does one of these 1/2 x 1/2 x 3/4 malleable iron tees weigh for a takeoff?
0.45 lbs each. Useful if you're estimating hanger loads or freight on a bulk fitting order.
7) Do I need thread sealant with this fitting or is it sealed on its own?
Nothing is included with the tee. The joint seals on the NPT taper per ASME B1.20.1, and that requires pipe dope or PTFE tape rated for the service, gas-rated compound on fuel gas. Buy the sealant separately.
How fast can I get the ASC Engineered Solutions 310039607 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 310039607 come with a warranty?
Absolutely. The ASC Engineered Solutions 310039607 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 310039607?
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installation tips, and troubleshooting. Contact Us
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