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3/4X1/2X3/4 XH 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:
- 0.75
- Strength:
- XH
- 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:
- 0.93 lbs
ASC Engineered Solutions 310520606 – Frequently Asked Questions
1) What are the three port sizes on the ASC Engineered Solutions 310520606 black malleable iron tee?
It's a reducing tee with 3/4 inch on the two run ends and 1/2 inch on the branch. All three openings are female pipe thread (FPT), so it takes male threaded pipe nipples on every port. Use it where a 3/4 inch line needs a 1/2 inch takeoff without adding a bushing.
2) Will this black malleable iron tee thread onto standard NPT pipe?
Yes. The threads are made to ASME B1.20.1, which is the NPT standard, so it mates with any standard NPT threaded steel or black iron pipe and nipples of the matching size. Dope or PTFE tape the male threads as usual.
3) What does XH mean on this malleable iron tee, and is it stronger than a standard fitting?
XH is extra heavy, the 300 class malleable iron pattern. It has a thicker wall and a higher pressure rating than the standard class fitting of the same size, dimensioned and rated per ASME B16.3. If your drawing calls for 300 class black malleable, this is the right weight; a standard 150 class tee is not an equal substitute.
4) Can I use a black malleable iron tee on a potable water line?
No. Black malleable iron is for gas, air, steam, and other non potable service. The black finish has no corrosion protection for wet potable systems, and black iron is not a potable water material. For water, go to galvanized, copper, or PEX fittings instead.
5) Is this ASC tee acceptable for fire sprinkler piping?
It carries UL/FM approval, so it can be used on fire protection piping where the authority having jurisdiction requires listed fittings. It's an extra heavy black malleable iron fitting with NPT threads, which is the usual threaded fitting type on sprinkler branch lines.
6) What material spec does this extra heavy tee meet?
The casting is malleable iron to ASTM A-197, with dimensions and pressure class per ASME B16.3. That's the combination most commercial and industrial specs call out for black malleable threaded fittings, so it will satisfy a drawing citing either standard.
7) Do I need a bushing to get a 1/2 inch branch off a 3/4 inch black iron line?
Not with this fitting. The 3/4 x 1/2 x 3/4 reducing tee already steps the branch down to 1/2 inch, so you thread 3/4 nipples into the run and a 1/2 inch nipple into the branch. Using a straight 3/4 tee plus a 3/4 x 1/2 bushing adds a joint and more height at the branch.
8) How much does this 3/4 x 1/2 x 3/4 extra heavy tee weigh for takeoff purposes?
0.93 lbs each. Useful when you're figuring hanger spacing and total load on a run with several reducing tees, since extra heavy fittings add meaningfully more weight than standard class.
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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 310520606 come with a warranty?
Absolutely. The ASC Engineered Solutions 310520606 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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