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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:
- 1.25
- 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:
- Black
- Product Material:
- Malleable Iron
- Product Weight:
- 0.97 lbs
ASC Engineered Solutions 310001409 – Frequently Asked Questions
1) Does the ASC Engineered Solutions 1-1/4 inch black malleable iron 90 degree elbow have female threads on both ends?
Both ends are 1-1/4 inch FPT, so it takes male pipe thread on each side. Threads are cut to ASME B1.20.1 (NPT), which is what standard black steel pipe nipples and threaded pipe are cut to, so it will make up with any conforming 1-1/4 inch male end.
2) Is this black malleable iron elbow approved for fire sprinkler piping?
It carries UL/FM approval, so it can be used on listed fire protection piping. It is a standard (STD) pressure class malleable iron fitting made to ASME B16.3 for both dimensions and pressure rating. Confirm the class your sprinkler drawing calls for, since some systems specify a 300 class fitting.
3) What is the difference between a standard and an extra heavy malleable iron elbow?
This one is standard class (STD), the common 150 class malleable fitting rated per ASME B16.3. Extra heavy (300 class) fittings have thicker walls and a higher pressure rating, and they are specified on higher pressure steam or process lines. If your drawing calls out 300 class, the standard fitting is not a substitute.
4) Will a 1-1/4 inch malleable iron elbow thread onto 1-1/4 inch schedule 40 black pipe?
Yes. Both openings are sized 1-1/4 and cut to ASME B1.20.1 NPT, the same thread standard used on threaded schedule 40 steel pipe and nipples. No adapter or bushing is needed for a 1-1/4 inch to 1-1/4 inch turn.
5) What is the part number and weight of the ASC 1-1/4 inch black 90 degree elbow?
Order it as ASC Engineered Solutions model 310001409. Each fitting weighs 0.97 lbs, which matters when you are figuring hanger spacing and total load on a run of threaded pipe.
How fast can I get the ASC Engineered Solutions 310001409 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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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 310001409 come with a warranty?
Absolutely. The ASC Engineered Solutions 310001409 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 310001409?
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