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Manufacturer Resources
Product Specs
- Dimensions Specification:
- ASME B16.3
- End Conn Size 1:
- FPT
- End Conn Size 2:
- FPT
- End Conn Size 3:
- FPT
- Finish Specification:
- ASTM A-153
- Material Specification:
- ASTM A-197
- Pressure Rating Specification:
- ASME B16.3
- Size 1:
- 1.25
- Size 2:
- 1.25
- Size 3:
- 2
- 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:
- Galvanized
- Product Material:
- Malleable Iron
- Product Weight:
- 1.82 lbs
ASC Engineered Solutions 311052005 – Frequently Asked Questions
1) What size openings does the ASC Engineered Solutions 311052005 galvanized malleable iron tee have, and which port is the large one?
It's a reducing tee with 1-1/4 inch on two ports and 2 inch on the third, so the run branches from 1-1/4 inch pipe up to a 2 inch takeoff. All three openings are FPT (female pipe thread), so it threads onto male-threaded pipe nipples, not onto female fittings. Threads are cut to ASME B1.20.1, the NPT standard.
2) Can I use this ASC galvanized malleable iron tee on a fire sprinkler system?
Yes. The 311052005 tee is UL/FM listed, which is what an AHJ looks for on fire protection piping. It's standard weight (STD) malleable iron with a pressure rating per ASME B16.3.
3) Is a galvanized malleable iron tee OK for a wet or outdoor line, or should I use black iron?
Galvanized is the corrosion-resistant choice for wet, damp, or exposed runs, and the zinc coating on this ASC tee is applied to ASTM A-153 (hot-dip galvanizing on iron hardware). Black malleable iron is the usual pick for dry indoor gas and dry sprinkler service. Note that galvanized fittings are generally not used on fuel gas piping.
4) Will this tee meet a spec calling for ASME B16.3 Class 150 malleable iron fittings?
Dimensionally and for pressure rating it is built to ASME B16.3, and the body is malleable iron to ASTM A-197. Strength class is standard weight (STD). If your drawing calls out extra-heavy (Class 300), this is not the fitting for it.
5) Do I need anything else to install this 1-1/4 x 1-1/4 x 2 tee?
The tee ships as the fitting alone. All three ports are female NPT, so you'll need threaded pipe or nipples in 1-1/4 inch for the run and 2 inch for the branch, plus thread sealant or PTFE tape rated for your service. No gaskets, bolts, or unions are included.
6) How much does the ASC 311052005 tee weigh for takeoff and hanger sizing?
1.82 lbs per fitting. Worth counting into hanger and support loads when you have several reducing tees on a horizontal run.
How fast can I get the ASC Engineered Solutions 311052005 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 311052005 come with a warranty?
Absolutely. The ASC Engineered Solutions 311052005 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 311052005?
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