11/4X1/2 BLK MI HEX BUSHING
Manufacturer Resources
Product Specs
- Dimensions Specification:
- ASME B16.3
- End Conn Size 1:
- MPT
- 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:
- Bushings
- Product Type:
- Bushing
- Product Finish:
- Black
- Product Material:
- Malleable Iron
- Product Weight:
- 0.34 lbs
ASC Engineered Solutions 318907128 – Frequently Asked Questions
1) What size pipe does the ASC 1-1/4 x 1/2 black hex bushing reduce between?
It takes a 1-1/4 inch male pipe thread on the large end and reduces down to a 1/2 inch female pipe thread. So it threads into a 1-1/4 inch female port or coupling, and gives you a 1/2 inch female outlet to pick up smaller pipe or a device with a 1/2 inch male nipple.
2) Is black malleable iron OK for potable water?
No. Black malleable iron fittings are for gas, fire protection, steam, air and similar non-potable service. The black finish is a mill coating with no corrosion protection against water, so it rusts in a domestic water line. For water you want galvanized malleable iron, copper, or brass instead.
3) Are the threads on this malleable iron hex bushing standard NPT?
Yes. Threads are cut to ASME B1.20.1, which is the standard American taper pipe thread (NPT) spec, so it mates with any standard NPT pipe, nipple or fitting of the matching size. Use pipe dope or PTFE tape on the taper for a seal.
4) What does STD strength mean on this ASC pipe bushing?
STD is standard weight, the common Class 150 malleable iron pattern covered by ASME B16.3. That is the everyday fitting weight for threaded iron pipe. If your spec calls for extra heavy (Class 300), this is not the fitting for it.
5) Do I need a wrench flat to install this, or is it a flush bushing?
It is a hex bushing, so the large end has wrench flats machined into the body. You tighten it with a standard pipe or open-end wrench before you run anything into the 1/2 inch female end. A flush or face bushing has no hex and needs an internal wrench, which is not what this is.
6) What is the material spec on ASC black hex bushings for submittals?
Material is malleable iron to ASTM A-197, with dimensions and pressure rating to ASME B16.3 and threads to ASME B1.20.1. That trio is normally what a mechanical submittal or MRO spec sheet asks for on threaded iron fittings. Nominal weight is 0.34 lbs.
7) What is the ASC part number for the 1-1/4 x 1/2 inch black hex bushing?
The manufacturer part number is 318907128 from ASC Engineered Solutions. That is the black malleable iron hex bushing, 1-1/4 inch MPT by 1/2 inch FPT, standard weight.
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Does the ASC Engineered Solutions 318907128 come with a warranty?
Absolutely. The ASC Engineered Solutions 318907128 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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