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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:
- 0.75
- Size 2:
- 0.75
- 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:
- 0.65 lbs
ASC Engineered Solutions 310538608 – Frequently Asked Questions
1) Will a 3/4 inch black malleable iron coupling thread onto standard 3/4 inch black steel pipe?
Yes. Both ends of the ASC Engineered Solutions 3/4 inch extra heavy black coupling are 3/4 inch female pipe thread cut to ASME B1.20.1, which is the standard NPT thread used on black and galvanized steel pipe. Any 3/4 inch NPT male pipe end or nipple threads straight in, no adapter needed.
2) Is a black malleable iron coupling OK for a domestic water line?
No. Black malleable iron is for gas, fire protection, steam, air, and non-potable service. The black finish on this ASC coupling is an uncoated mill finish that will rust in wet potable service, and lead-free potable requirements are not met by black iron. Use galvanized, copper, or brass for domestic water.
3) What material spec does this ASC malleable iron coupling meet?
The casting is malleable iron to ASTM A-197, with dimensions and pressure ratings per ASME B16.3 and threads per ASME B1.20.1. That combination is what most mechanical and fire protection specs call out for threaded malleable fittings, so it will match a drawing written to those standards.
4) Is this coupling reducing or straight 3/4 inch on both ends?
Straight. Both openings are 3/4 inch FPT, so it joins two pipes of the same size. For a size change you need a reducing coupling or a bushing instead.
5) How much does a 3/4 inch extra heavy black coupling weigh for a bulk order?
Each piece weighs 0.65 lbs. Useful if you're estimating freight or hanger loading on a run with a lot of threaded joints.
How fast can I get the ASC Engineered Solutions 310538608 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
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 310538608 come with a warranty?
Absolutely. The ASC Engineered Solutions 310538608 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 310538608?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the ASC Engineered Solutions 310538608 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.