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Manufacturer Resources
Product Specs
- Dimensions Specification:
- ASME B16.3
- End Conn Size 1:
- FPT
- End Conn Size 2:
- FPT
- Finish Specification:
- ASTM A-153
- Material Specification:
- ASTM A-197
- Pressure Rating Specification:
- ASME B16.3
- Size 1:
- 2.5
- Size 2:
- 2.5
- Strength:
- STD
- Thread Specification:
- ASME B1.20.1
- Ul Fm:
- Yes
- Department:
- Plumbing
- Product Group:
- Pipe Fittings
- Product Subgroup:
- Elbows
- Product Type:
- 90° Elbow
- Product Finish:
- Galvanized
- Product Material:
- Malleable Iron
- Product Weight:
- 3.64 lbs
ASC Engineered Solutions 311002000 – Frequently Asked Questions
1) Is this 2-1/2 inch malleable iron elbow approved for fire sprinkler piping?
It carries UL/FM approval, which is what an inspector looks for on a fire protection line. It is a standard (STD) pattern malleable iron fitting built to ASME B16.3 for both dimensions and pressure rating, so it matches the threaded fitting schedule most sprinkler drawings call out.
2) Can a galvanized malleable iron 90 elbow be used outdoors or in a wet location?
The galvanized finish is applied to ASTM A-153, the hot dip spec for hardware, so it holds up in damp and outdoor service better than a black iron fitting. Match it with galvanized pipe and galvanized nipples through the run; mixing galvanized fittings onto black pipe leaves the pipe threads unprotected and that is where corrosion starts.
3) Is this fitting malleable iron or cast iron, and does that matter for threading?
Malleable iron to ASTM A-197. That is the grade you want on threaded pipe work, because it takes thread engagement and pipe wrench torque without the brittleness of grey cast iron. Cut and ream your pipe threads to ASME B1.20.1 and it makes up normally with pipe dope or PTFE tape.
4) Do I need a standard or extra heavy 150 pattern elbow for my 2-1/2 inch line?
This one is standard (STD) pattern, rated to ASME B16.3. Standard covers the large majority of threaded steel pipe work, including sprinkler mains and general mechanical piping at ordinary working pressures. If your drawing specifically calls for extra heavy or 300 class malleable, that is a different, thicker fitting and a STD ell will not satisfy the callout.
5) Is this elbow suitable for potable water lines?
It is a galvanized malleable iron threaded fitting for general plumbing and mechanical piping, and it carries UL/FM approval for fire protection use. For potable water service, check your local code, since many jurisdictions now require lead free certified materials on drinking water systems and that certification is a separate approval from the ASME B16.3 and ASTM specs this fitting is built to.
6) How much does a 2-1/2 inch galvanized malleable 90 elbow weigh for a hanger and support takeoff?
3.64 lbs each. On a 2-1/2 inch run with several changes of direction that adds up fast, so count your ells into the dead load when you space hangers, especially on threaded rod off a bar joist.
7) What is the ASC part number for the 2-1/2 inch galvanized 90 degree elbow?
ASC Engineered Solutions part 311002000. That is the 2-1/2 inch by 2-1/2 inch FPT standard pattern galvanized malleable iron 90, the number to quote if you are matching an existing submittal or reordering to the same spec.
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Does the ASC Engineered Solutions 311002000 come with a warranty?
Absolutely. The ASC Engineered Solutions 311002000 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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