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Manufacturer Resources
Product Specs
- Dimensions Specification:
- ASME B16.3
- End Conn Size 1:
- FPT
- Finish Specification:
- ASTM A-153
- Material Specification:
- ASTM A-197
- Pressure Rating Specification:
- ASME B16.3
- Size 1:
- 3
- Size 2:
- 0
- Strength:
- STD
- Thread Specification:
- ASME B1.20.1
- Ul Fm:
- Yes
- Department:
- Plumbing
- Product Group:
- Pipe Fittings
- Product Subgroup:
- Caps
- Product Type:
- Cap
- Product Finish:
- Galvanized
- Product Material:
- Malleable Iron
- Product Weight:
- 2.75 lbs
ASC Engineered Solutions 319900841 – Frequently Asked Questions
1) What size and thread does the ASC Engineered Solutions galvanized malleable iron cap take?
It's a 3 inch cap with FPT (female pipe thread) threading, cut to ASME B1.20.1 NPT thread standard. It screws onto the male end of 3 inch threaded pipe or a male fitting nipple. No adapter needed if your pipe is standard 3 inch NPT.
2) What pressure class is this 3 inch galvanized cap, and will it hold on a standard threaded system?
It's a standard (STD) class fitting, rated and dimensioned per ASME B16.3, the malleable iron threaded fitting standard. That's the Class 150 side of B16.3 rather than an extra-heavy 300 fitting, so it matches standard weight threaded pipe. If your system spec calls for extra heavy, you need a 300 class cap instead.
3) Is the galvanizing on this cap hot-dip, and will it hold up outdoors or in a wet line?
The zinc coating is done to ASTM A-153, which is the hot-dip galvanizing spec for iron and steel hardware. That gives it a heavier coating than an electroplated finish, which is why it's the standard pick for exposed, damp, or underground-adjacent threaded piping rather than a plain black iron cap.
4) Should I use a threaded cap or a plug to close off a 3 inch pipe end?
Use the cap when you're closing the male threaded end of a pipe or nipple, which is the usual situation at the end of a run. A plug goes the other way, into a female opening like a tee branch or a coupling. This ASC fitting is the cap version, female threaded (FPT) at 3 inch, so it needs male threads to land on.
5) How heavy is the 3 inch galvanized malleable iron cap for takeoff and hanger calculations?
It weighs 2.75 lbs each. Worth noting if you're pricing a pallet of them or figuring support loads at the end of a horizontal run where the cap adds weight past the last hanger.
6) What is the part number for ASC Engineered Solutions 3 inch galvanized malleable iron cap?
The manufacturer part number is 319900841 from ASC Engineered Solutions. That's the 3 inch galvanized, standard class malleable iron cap with FPT threads.
How fast can I get the ASC Engineered Solutions 319900841 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 319900841 come with a warranty?
Absolutely. The ASC Engineered Solutions 319900841 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 319900841?
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