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3/8X1/4 XH 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:
- 0.375
- Size 2:
- 0.25
- Strength:
- XH
- 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:
- 0.26 lbs
ASC Engineered Solutions 310503800 – Frequently Asked Questions
1) Can I use this black malleable iron elbow on a gas line?
Black malleable iron threaded fittings to ASME B16.3 with NPT threads are the standard choice for black iron gas piping. This one is black finish, malleable iron to ASTM A-197, and the fitting carries a UL/FM listing. Do not use it on potable water, black iron is for gas, air, oil and steam service, not domestic water.
2) Are both ends of this ASC reducing elbow female threaded?
Both openings are FPT, female pipe thread, cut to ASME B1.20.1 (NPT). That means threaded male pipe nipples or male-end fittings thread into each side. There is no male end on this fitting, so if you need a male-to-female turn you want a street elbow instead.
3) What does XH mean on a black malleable iron elbow, and is it stronger than standard?
XH is extra heavy, the heavier-wall Class 300 pattern rather than the standard Class 150. The fitting is rated under ASME B16.3, which is where the pressure class for malleable iron threaded fittings is set. Use XH where the line pressure or the job spec calls for it; a standard weight elbow of the same size will not substitute on a Class 300 spec.
4) Will this elbow meet a drawing that calls out ASME B16.3 malleable iron fittings?
It will. Dimensions and pressure class both reference ASME B16.3, the material is malleable iron to ASTM A-197, and threads are ASME B1.20.1 NPT. Those are the three callouts that normally appear on a mechanical spec for threaded iron fittings, so it drops straight onto that submittal.
5) Should I use a reducing elbow or a standard elbow with a bushing?
A 3/8 x 1/4 reducing elbow makes the turn and the size change in one body, so you get one joint instead of two and less overall takeout, which matters in tight trim and gauge piping. A same-size elbow plus a reducing bushing adds a leak path and length. Where the spec forbids bushings, the reducing elbow is the only clean way to do it.
6) How much does this small black iron reducing elbow weigh for freight and hanger loads?
Each fitting weighs 0.26 lbs. Handy when you're pricing out a bulk MRO order of several hundred, or tallying dead load on small-bore trim piping.
How fast can I get the ASC Engineered Solutions 310503800 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 310503800 come with a warranty?
Absolutely. The ASC Engineered Solutions 310503800 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 310503800?
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