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3/4X3/4X1/4 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:
- 0.75
- Size 2:
- 0.75
- Size 3:
- 0.25
- 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:
- 0.38 lbs
ASC Engineered Solutions 310038609 – Frequently Asked Questions
1) What size are the three openings on the ASC 3/4 x 3/4 x 1/4 black malleable iron tee?
It's a reducing tee: the two run ends are 3/4 inch and the branch outlet is 1/4 inch. All three openings are female pipe thread (FPT), so pipe or nipples thread into the fitting, not over it. The usual use is picking up a 1/4 inch gauge, sensor, drain or pilot line off a 3/4 inch run without adding a separate bushing.
2) Will this tee thread onto standard black iron pipe nipples?
Yes. The threads are cut to ASME B1.20.1, which is standard NPT taper pipe thread, so it mates with any standard black steel or malleable iron pipe and nipples in 3/4 inch on the run and 1/4 inch on the branch. Dope or PTFE tape on the male threads as usual.
3) Is this black malleable iron tee UL Listed and FM Approved for fire sprinkler work?
It carries a UL/FM listing, so it can be used on fire protection piping where a listed and approved fitting is required. It's standard (STD) pattern malleable iron built to ASME B16.3 for both dimensions and pressure rating.
4) Can I use a black malleable iron tee on a potable water line?
No. Black malleable iron is for gas, fire protection, air, and closed-loop hydronic service. The black finish has no corrosion coating for wet potable service, and there's no lead-free potable rating on this fitting. For domestic water, use galvanized, copper, CPVC, or PEX instead. For an exposed or damp run where you still want iron, a galvanized malleable tee of the same 3/4 x 3/4 x 1/4 configuration is the right swap.
5) What's the difference between this reducing tee and using a straight 3/4 tee with a bushing?
Same end result, fewer joints. The 3/4 x 3/4 x 1/4 reducing tee gets you down to a 1/4 inch branch in one fitting, while a straight 3/4 x 3/4 x 3/4 tee plus a 3/4 x 1/4 bushing gives you an extra threaded joint to seal and adds length to the branch takeoff. On a gauge or sensor tap in tight quarters, the reducing tee is the cleaner install.
6) What grade of malleable iron is this tee made from?
The casting is made to ASTM A-197, the standard spec for cupola malleable iron used in threaded pipe fittings, and the fitting itself conforms to ASME B16.3 for malleable iron threaded fittings. It's the standard (STD) class, not extra heavy.
7) What is the ASC part number for the 3/4 x 3/4 x 1/4 black tee?
The ASC Engineered Solutions manufacturer part number is 310038609. That's the one to quote when you need to match an existing line item or reorder against a submittal.
How fast can I get the ASC Engineered Solutions 310038609 delivered?
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Can I return it if it doesn’t work for me?
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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 310038609 come with a warranty?
Absolutely. The ASC Engineered Solutions 310038609 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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