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3/8 GALV MI COUPLING
Manufacturer Resources
Product Specs
- Dimensions Specification:
- ASME B16.3
- End Conn Size 1:
- FPT
- End Conn Size 2:
- FPT
- Finish Specification:
- ASTM A-153
- Material Specification:
- ASTM A-197
- Pressure Rating Specification:
- ASME B16.3
- Size 1:
- 0.375
- Size 2:
- 0.375
- Strength:
- STD
- Thread Specification:
- ASME B1.20.1
- Ul Fm:
- Yes
- Department:
- Plumbing
- Product Group:
- Pipe Fittings
- Product Subgroup:
- Couplings
- Product Type:
- Coupling
- Product Finish:
- Galvanized
- Product Material:
- Malleable Iron
- Product Weight:
- 0.13 lbs
ASC Engineered Solutions 311080006 – Frequently Asked Questions
1) What thread type does the ASC 3/8 galvanized malleable iron coupling have on each end?
Both ends are 3/8 inch FPT, female tapered pipe thread cut to ASME B1.20.1 (NPT). It joins two male-threaded pipe ends or nipples of the same size, so you thread pipe into it from each side with sealant or PTFE tape.
2) Can I use a galvanized malleable iron coupling on a fire sprinkler line?
It carries a UL/FM listing, which is what an AHJ looks for on fire protection piping. The fitting is malleable iron to ASTM A-197, dimensioned and pressure rated to ASME B16.3 in standard (STD) class.
3) Is this a reducing coupling or straight 3/8 by 3/8?
Straight. Both ends are 3/8 inch, so it's a same-size union of two pipe ends. If you need to step from 3/8 to another size, a reducing coupling or bushing is the right part instead.
4) Is the galvanizing on this coupling suitable for outdoor or wet service?
The zinc coating is applied to ASTM A-153, the hot-dip galvanizing standard for hardware, so it holds up in damp and exterior runs better than a black iron fitting. Pair it with galvanized pipe rather than black pipe to keep the corrosion protection consistent through the joint.
5) Does a class 150 standard malleable iron coupling meet a spec calling for ASME B16.3?
Yes, the fitting is dimensioned to ASME B16.3 and rated in the STD (standard) class under that same standard, so it drops straight into a drawing note calling for B16.3 threaded malleable iron. Threads follow ASME B1.20.1.
6) Can I use this coupling to join galvanized pipe to copper tubing?
No. Both ends take female NPT pipe thread only, so it mates with threaded steel or iron pipe. Going from iron to copper needs a dielectric fitting to stop galvanic corrosion, not a straight malleable coupling.
7) What is the part number and weight on the ASC 3/8 inch galvanized coupling?
Manufacturer part number 311080006, and each fitting weighs 0.13 lbs, which matters if you're estimating hanger loads or freight on a bulk order of small fittings.
How fast can I get the ASC Engineered Solutions 311080006 delivered?
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reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the ASC Engineered Solutions 311080006 come with a warranty?
Absolutely. The ASC Engineered Solutions 311080006 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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