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11/4X1 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:
- 1.25
- Size 2:
- 1
- 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:
- 0.87 lbs
ASC Engineered Solutions 310009006 – Frequently Asked Questions
1) Is the ASC 1-1/4 x 1 black malleable iron 90 elbow a reducing fitting?
Yes, it's a reducing 90. One end takes 1-1/4 inch pipe, the other takes 1 inch, so you change direction and drop a pipe size in a single fitting instead of using a full-size elbow plus a bushing.
2) Are both ends of this black reducing elbow female threaded?
Both ends are FPT, female pipe thread, cut to ASME B1.20.1 NPT. So it threads onto male-threaded pipe nipples or male adapters on both sides. If you need a male end, use a nipple or a street elbow instead.
3) Can I use a black malleable iron 90 elbow on a potable water line?
No. Black malleable iron fittings like this one are for gas, fuel oil, compressed air, and non-potable service such as black steel fire and mechanical piping. The uncoated black finish will rust in water service; galvanized malleable iron or copper/CPVC is what goes on potable water.
4) Is this ASC reducing elbow UL listed and FM approved?
Yes, the fitting carries UL/FM recognition, which is what lets it be used in fire protection piping where the authority having jurisdiction requires listed components.
5) What standards does this ASC malleable iron elbow meet?
Three specs govern it: ASTM A-197 for the malleable iron casting, ASME B16.3 for dimensions and pressure rating, and ASME B1.20.1 for the NPT threads. That combination is what most mechanical and plumbing drawings call out for threaded black iron fittings.
6) Is this a Class 150 standard elbow or an extra-heavy fitting?
It's the standard weight pattern, rated per ASME B16.3. Extra-heavy (Class 300) malleable iron is a separate fitting with thicker walls and a higher pressure rating, so if the spec on your drawing calls for 300, this is not the part.
7) Which way does the reducing elbow go, big end or small end first?
The 1-1/4 inch opening is the run side and the 1 inch opening is the reduced side, so it can be installed either direction depending on which leg needs to drop to 1 inch. Just confirm the pipe you are threading into each port matches that port size before you dope and make it up.
8) How much does this 1-1/4 x 1 black iron 90 weigh for a takeoff?
0.87 lbs each. Useful when you're totaling hanger and support loads on a threaded black iron run, or pricing out freight on a bulk fitting order.
How fast can I get the ASC Engineered Solutions 310009006 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 310009006 come with a warranty?
Absolutely. The ASC Engineered Solutions 310009006 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 310009006?
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