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21/2 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:
- 2.5
- Size 2:
- 2.5
- Strength:
- STD
- Thread Specification:
- ASME B1.20.1
- Ul Fm:
- Yes
- Department:
- Plumbing
- Product Group:
- Plumbing Fittings
- Product Subgroup:
- Elbows
- Product Type:
- 45° Elbow
- Product Finish:
- Black
- Product Material:
- Malleable Iron
- Product Weight:
- 3.55 lbs
ASC Engineered Solutions 310024609 – Frequently Asked Questions
1) Is this 2-1/2 inch black malleable iron 45 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 threaded fittings in a sprinkler system. It is a standard (STD) pressure class malleable iron fitting built to ASME B16.3 for both dimensions and pressure rating, so it fits the usual threaded-pipe sprinkler main and branch work. Confirm the pressure class on your drawing matches standard rather than extra heavy.
2) Can I use a black malleable iron 45 degree elbow on a natural gas or propane line?
Black malleable iron threaded fittings are the standard choice for fuel gas piping, and this one is black finish malleable iron made to ASTM A-197 with NPT threads per ASME B1.20.1. Black is used on gas and on closed-loop and fire protection systems; galvanized is what you reach for on open or wet service where corrosion is the concern. Always check your local gas code and the AHJ before installing.
3) What does ASME B16.3 standard pattern mean for whether this elbow matches the fittings already on my system?
B16.3 fixes the center-to-end dimensions and the thread engagement for malleable iron threaded fittings, so a standard class 2-1/2 inch 45 elbow from ASC lays out the same as any other B16.3 standard 2-1/2 inch 45 from another maker. That means you can cut nipples to the same takeout and the fitting drops into an existing threaded run without reworking lengths.
4) Do I need thread sealant with this malleable iron elbow, or does it seal on its own?
The joint is a tapered NPT thread per ASME B1.20.1, and tapered pipe threads are not a dry seal. You need pipe dope or PTFE tape rated for the service, gas rated sealant on fuel gas lines. No gasket, washer or sealant is part of the fitting itself.
5) How much does a 2-1/2 inch black malleable iron 45 elbow weigh, and do I need to support it?
Each fitting runs 3.55 lbs. On a 2-1/2 inch line that is enough concentrated weight at a direction change that hangers should sit close to the elbow rather than letting a long nipple cantilever off it, especially on overhead sprinkler or gas work. Multiply by the count when you are figuring what a ceiling grid or strut run has to carry.
How fast can I get the ASC Engineered Solutions 310024609 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 310024609 come with a warranty?
Absolutely. The ASC Engineered Solutions 310024609 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 310024609?
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