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11/4 BLK MI 45 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:
- 1.25
- Strength:
- STD
- Thread Specification:
- ASME B1.20.1
- Ul Fm:
- Yes
- Department:
- Plumbing
- Product Group:
- Pipe Fittings
- Product Subgroup:
- Elbows
- Product Type:
- 45° Elbow
- Product Finish:
- Black
- Product Material:
- Malleable Iron
- Product Weight:
- 0.86 lbs
ASC Engineered Solutions 310024005 – Frequently Asked Questions
1) Does the 1-1/4 inch black malleable iron 45 degree elbow have female threads on both ends?
Both ends are 1-1/4 inch FPT, so it threads onto male-threaded pipe on each side. The threads are cut to ASME B1.20.1, which is standard NPT taper thread, so it mates with any 1-1/4 inch NPT pipe nipple or male adapter.
2) Is this 45 degree elbow approved for fire sprinkler piping?
It carries UL/FM approval, which is what an AHJ looks for on fire protection piping. It is a standard weight (STD) black malleable iron fitting to ASME B16.3, the usual build for wet sprinkler mains and branch lines in threaded pipe.
3) Can I use a black malleable iron 45 elbow on a potable water line?
No. Black fittings are meant for gas, fire protection, steam, and non-potable service. The black finish is uncoated malleable iron, which will rust in potable water. Use a galvanized malleable or brass fitting for domestic water instead.
4) Will this 45 degree elbow work on a natural gas line?
Yes, black malleable iron 45s are the standard fitting for threaded black gas pipe. Dimensions and pressure rating follow ASME B16.3 and the material is ASTM A-197 malleable iron, which is what fuel gas codes expect for threaded iron fittings.
5) Why use a 45 degree elbow instead of two 90s in an offset?
A 45 makes a shallow offset around an obstruction with far less pressure drop than a pair of 90s, and it lets you swing a line off-axis without a long jog. Two of these 1-1/4 inch 45s with a short nipple between them is the usual way to step a run over a beam or duct.
6) What does STD strength mean on a malleable iron fitting, and when do I need extra heavy instead?
STD is standard weight, Class 150 in ASME B16.3 terms, which covers most gas, sprinkler, and low pressure service. If the system spec calls for Class 300 or extra heavy on higher pressure steam or compressed air, this one is not the right fitting.
7) Does this fitting need any sealant, or is it ready to thread on?
Threaded iron fittings are supplied bare. You still need PTFE tape or a pipe thread sealant rated for the service, gas-rated dope for fuel gas. Nothing is included with the elbow itself.
8) How heavy is the 1-1/4 inch black 45 elbow for takeoff and hanger sizing?
Each one runs 0.86 lbs. Useful when you are counting a few hundred fittings into a hanger load or a freight estimate on a sprinkler package.
How fast can I get the ASC Engineered Solutions 310024005 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 310024005 come with a warranty?
Absolutely. The ASC Engineered Solutions 310024005 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 310024005?
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