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11/4X1/2 BLK MI REDUCER
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:
- 1.25
- Size 2:
- 0.5
- Strength:
- STD
- Thread Specification:
- ASME B1.20.1
- Ul Fm:
- Yes
- Department:
- Plumbing
- Product Group:
- Pipe Fittings
- Product Subgroup:
- Reducers
- Product Type:
- Reducer
- Product Finish:
- Black
- Product Material:
- Malleable Iron
- Product Weight:
- 0.61 lbs
ASC Engineered Solutions 310088000 – Frequently Asked Questions
1) What size pipe does the ASC 1-1/4 x 1/2 black malleable iron reducer connect?
It steps 1-1/4 inch pipe down to 1/2 inch in a single fitting. Both ends are female pipe thread (FPT), so it threads onto male-threaded pipe nipples or fitting ends on each side. Threads are cut to ASME B1.20.1 (NPT), which is the standard taper thread used on black iron and galvanized pipe.
2) Is a black malleable iron reducer OK for a domestic water line?
No. Black malleable iron is for gas, fire protection, compressed air, and non-potable service. The black finish is a mill coating with no corrosion protection against water, so it rusts in a potable line. For water you want galvanized, copper, or brass. This one is a black finish malleable iron fitting to ASTM A-197.
3) Should I use a reducing coupling or a bushing to go from 1-1/4 inch down to 1/2 inch?
A reducer like this one has female NPT on both ends, so it drops between two male pipe ends without eating into the fitting it screws into. A bushing is male on the large side and female on the small side, and it has to be threaded inside an existing female port. Use the reducer when you are joining two runs of pipe; use a bushing when you are reducing the outlet of a tee, valve, or elbow you already have in place.
4) What does the STD marking on this malleable iron reducer mean for pressure?
STD is standard weight, the common Class 150 malleable iron pattern, as opposed to the heavier extra-heavy fittings used on higher pressure work. Its working pressure comes from ASME B16.3, which rates by size and temperature rather than a single flat number. If your spec calls out extra-heavy or Class 300 malleable, this standard weight fitting is not the right part.
5) Does a two-size drop like 1-1/4 to 1/2 inch need pipe dope or tape?
Yes, same as any NPT joint. The threads here are tapered to ASME B1.20.1, and tapered threads seal on thread engagement plus a sealant. Use a sealant rated for the service: gas-rated dope or yellow PTFE tape on fuel gas lines, standard dope or tape elsewhere. Nothing is included with the fitting.
How fast can I get the ASC Engineered Solutions 310088000 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 310088000 come with a warranty?
Absolutely. The ASC Engineered Solutions 310088000 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 310088000?
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