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3X21/2 BLK MI 90 ELL
Manufacturer Resources
Product Specs
- Dimensions Specification:
- ASME B16.3
- End Conn Size 1:
- FPT
- End Conn Size 2:
- FPT
- Material Specification:
- ASTM A-197
- Pressure Rating Specification:
- ASME B16.3
- Size 1:
- 3
- 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:
- Black
- Product Material:
- Malleable Iron
- Product Weight:
- 4.3 lbs
ASC Engineered Solutions 310011408 – Frequently Asked Questions
1) Is the 3 x 2-1/2 black malleable iron 90 degree elbow a reducing fitting?
Yes. It is a reducing 90, with a 3 inch female pipe thread on one end and a 2-1/2 inch female pipe thread on the other, so it turns the run 90 degrees and steps the line down in one fitting. Both ends are FPT, so it threads onto male-threaded pipe nipples or male adapters on each side.
2) Is this black malleable iron elbow UL listed and FM approved for a fire sprinkler line?
Yes, it carries UL/FM recognition, which is what an inspector looks for on a fire protection line. It is a Class 150 standard pattern fitting to ASME B16.3 in malleable iron per ASTM A-197. Confirm your system design pressure against the B16.3 standard rating for the size before you commit it to a sprinkler main.
3) Can I use a black malleable iron elbow on a domestic water line?
No. Black malleable iron is for dry or non-potable service, typically gas, fire protection, compressed air, and steam or hydronic piping. It is uncoated, so it will rust in a wet potable line. For water service, a galvanized malleable fitting or a copper, CPVC or press system is the right call.
4) What is the difference between a standard and an extra heavy malleable iron 90 elbow?
This one is standard pattern (STD), which is the Class 150 wall thickness covered by ASME B16.3 and the common choice for gas, air, and sprinkler work. Extra heavy (Class 300) fittings have thicker walls and a higher pressure rating and are specified when the drawing calls for 300 class. If your spec says Class 300, this standard fitting is not a substitute.
5) Do I need a reducing bushing with this elbow to go from 3 inch down to 2-1/2 inch?
No bushing needed. The reduction is built into the fitting, 3 inch FPT on one side and 2-1/2 inch FPT on the other. Using a single reducing elbow instead of a full size elbow plus a bushing keeps the fitting count down and removes one potential leak path.
How fast can I get the ASC Engineered Solutions 310011408 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 310011408 come with a warranty?
Absolutely. The ASC Engineered Solutions 310011408 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 310011408?
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Why buy the ASC Engineered Solutions 310011408 from ZenSupply?
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