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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:
- 2.5
- Size 2:
- 2.5
- Strength:
- XH
- Thread Specification:
- ASME B1.20.1
- Ul Fm:
- Yes
- Department:
- Plumbing
- Product Group:
- Pipe Fittings
- Product Subgroup:
- Other Fittings
- Product Type:
- Fitting
- Product Finish:
- Black
- Product Material:
- Malleable Iron
- Product Weight:
- 5.45 lbs
ASC Engineered Solutions 310539804 – Frequently Asked Questions
1) Will this 2-1/2 inch black malleable iron coupling thread onto standard NPT pipe?
Yes. Both ends are female pipe thread cut to ASME B1.20.1, which is the standard NPT thread spec, so it mates with any 2-1/2 inch NPT-threaded black steel or malleable pipe. Both openings are the same 2-1/2 inch size, so it is a straight coupling, not a reducer.
2) What does XH mean on a malleable iron coupling, and when do I need it instead of standard weight?
XH is extra heavy: a thicker wall and a higher pressure rating than a standard weight (150 lb class) malleable fitting of the same size. Pressure ratings follow ASME B16.3. Reach for XH where the system pressure or mechanical abuse on the line exceeds what a standard coupling is rated for, such as higher pressure steam, compressed air, or heavier industrial service. On ordinary low pressure gas or hydronic work, standard weight is normally what the drawing calls for.
3) Will this coupling meet a spec that calls for ASTM A197 and ASME B16.3 fittings?
It does. The casting is ASTM A-197 malleable iron, dimensions and pressure class follow ASME B16.3, and threads are cut to ASME B1.20.1. Those are the three lines most mechanical specs and submittals ask for on threaded malleable fittings.
4) Can I use a black malleable iron coupling on a water line, or should it be galvanized?
The finish here is black, not galvanized. Black malleable iron is the normal choice for gas, air, steam, fire sprinkler and closed hydronic loops. For potable water or wet exposed service where corrosion matters, specify a galvanized coupling instead.
How fast can I get the ASC Engineered Solutions 310539804 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 310539804 come with a warranty?
Absolutely. The ASC Engineered Solutions 310539804 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 310539804?
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