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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:
- 1.25
- Size 2:
- 1.25
- 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:
- 0.99 lbs
ASC Engineered Solutions 311001408 – Frequently Asked Questions
1) What thread and size does the ASC Engineered Solutions 1-1/4 inch galvanized malleable iron 90 degree elbow take?
Both openings are 1-1/4 inch female pipe thread (FPT), cut to ASME B1.20.1 NPT. So it threads directly onto 1-1/4 inch male-threaded pipe nipples or male adapters on both ends, no reducing built in.
2) Can I use a galvanized malleable iron elbow on wet sprinkler or outdoor piping instead of black iron?
That is exactly what the galvanized version is for. The zinc coating is applied to ASTM A-153 hot dip standard, which gives corrosion protection for wet-system sprinkler piping, damp mechanical rooms, and exterior threaded runs where black malleable iron would rust. The base casting is malleable iron to ASTM A-197.
3) Will this 1-1/4 inch elbow meet a spec calling for ASME B16.3 Class 150 threaded fittings?
It is built to ASME B16.3 for both dimensions and pressure rating, in standard (STD) weight, with NPT threads to ASME B1.20.1 and malleable iron to ASTM A-197. That is the normal callout set on a mechanical drawing for threaded malleable iron fittings, so it drops into a B16.3 standard-pattern spec.
4) Should I use a threaded malleable iron 90 or a grooved or copper fitting for 1-1/4 inch pipe?
Threaded malleable iron like this one is the choice when you are running Schedule 40 steel pipe with cut NPT threads, which covers most 1-1/4 inch sprinkler branches, gas piping, and mechanical service lines. Grooved fittings make more sense on larger diameters where threading gets slow, and copper or press fittings belong on copper tube, not steel. This elbow's ends are both female NPT, so it only mates with threaded steel or brass pipe.
5) What part number do I order for the ASC 1-1/4 inch galvanized malleable iron 90?
The manufacturer part number is 311001408 from ASC Engineered Solutions. It is a single 1-1/4 x 1-1/4 inch female-threaded 90 degree elbow, galvanized, standard weight.
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Does the ASC Engineered Solutions 311001408 come with a warranty?
Absolutely. The ASC Engineered Solutions 311001408 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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