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1/2X1/8 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:
- 0.5
- Size 2:
- 0.125
- Strength:
- STD
- Thread Specification:
- ASME B1.20.1
- Ul Fm:
- Yes
- Department:
- Plumbing
- Product Group:
- Plumbing Fittings
- Product Subgroup:
- Reducers
- Product Type:
- Reducer
- Product Finish:
- Black
- Product Material:
- Malleable Iron
- Product Weight:
- 0.14 lbs
ASC Engineered Solutions 310085808 – Frequently Asked Questions
1) What thread type are the two ends on the ASC 1/2 x 1/8 black malleable iron reducer?
Both openings are female pipe thread (FPT), cut to ASME B1.20.1 NPT tapered threads. So it threads onto male pipe or a male fitting nipple on each side, 1/2 inch on the large end and 1/8 inch on the small end. If you need a male end anywhere in the run, you'll add a nipple, not this fitting.
2) Can I use a black malleable iron reducer on a natural gas line?
Black malleable iron with NPT tapered threads is the standard body/thread combination used on black iron gas piping, and this one is made to ASTM A-197 malleable iron with ASME B16.3 dimensions and pressure ratings. Black finish (not galvanized) is what gas work normally calls for. Your local gas code and the authority having jurisdiction still govern the installation.
3) Is this reducer rated for fire sprinkler work?
It carries a UL/FM designation, which is the listing fire protection contractors look for on threaded fittings. It is Class 150 standard strength malleable iron to ASME B16.3. Confirm the pressure class against your hydraulic calculations and the approving authority before it goes in a sprinkler main.
4) Can I use a black malleable iron fitting on a potable water line?
Black malleable iron is used on gas, air, and fire protection piping, not potable water. The unprotected black finish corrodes in wet service, which is why water lines use galvanized, copper, brass, or plastic. For potable water, order a galvanized or brass reducer of the same size instead.
5) Does this ASC reducer follow the same dimensions as other brands' 150 lb malleable fittings?
Yes. Dimensions, pressure rating, and threads are all built to published standards, ASME B16.3 for the fitting body and ASME B1.20.1 for the NPT threads. That means the face-to-face and thread engagement match any other standard Class 150 black malleable reducer of the same 1/2 x 1/8 size, so it drops into an existing layout without re-measuring the run.
6) What's the ASC part number for the 1/2 x 1/8 black malleable reducer?
Order it as ASC Engineered Solutions model 310085808. That's the 1/2 inch by 1/8 inch black malleable iron reducer, standard strength, female threaded on both ends.
7) Do I need thread sealant with this fitting or is it dry-fit?
Tapered NPT threads to ASME B1.20.1 seal on the thread flanks, so they need pipe dope or PTFE tape rated for the service, gas-rated sealant on gas lines. The fitting itself ships bare with no sealant applied and no gasket.
How fast can I get the ASC Engineered Solutions 310085808 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 310085808 come with a warranty?
Absolutely. The ASC Engineered Solutions 310085808 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 310085808?
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