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3/4X3/4X3/8 GALV MI TEE
Manufacturer Resources
Product Specs
- Dimensions Specification:
- ASME B16.3
- End Conn Size 1:
- FPT
- End Conn Size 2:
- FPT
- End Conn Size 3:
- FPT
- Finish Specification:
- ASTM A-153
- Material Specification:
- ASTM A-197
- Pressure Rating Specification:
- ASME B16.3
- Size 1:
- 0.75
- Size 2:
- 0.75
- Size 3:
- 0.375
- Strength:
- STD
- Thread Specification:
- ASME B1.20.1
- Ul Fm:
- Yes
- Department:
- Plumbing
- Product Group:
- Pipe Fittings
- Product Subgroup:
- Tees
- Product Type:
- Tee
- Product Finish:
- Galvanized
- Product Material:
- Malleable Iron
- Product Weight:
- 0.46 lbs
ASC Engineered Solutions 311038400 – Frequently Asked Questions
1) What are the three port sizes on the ASC Engineered Solutions 311038400 galvanized malleable iron tee?
It's a reducing tee: two 3/4 inch runs and one 3/8 inch branch. All three openings are female pipe thread (FPT), so it takes male-threaded pipe nipples or male adapters on every port. Use it where you're pulling a small 3/8 inch take-off, a gauge, or a drain line off a 3/4 inch run.
2) Will this tee thread onto standard NPT black or galvanized steel pipe?
Yes. The threads are cut to ASME B1.20.1, which is standard NPT pipe thread, so it mates with any 3/4 inch NPT nipple on the run ends and 3/8 inch NPT on the branch. Seal with pipe dope or PTFE tape as your job calls for.
3) Do I need a bushing to get a 3/8 inch branch off a 3/4 inch line, or does this tee handle it?
No bushing needed. This is a reducing tee, cast with the 3/8 inch FPT branch already, so you thread your 3/8 nipple straight in. Using a full 3/4 x 3/4 x 3/4 tee plus a 3/4 to 3/8 bushing adds a joint and takeout length you don't need.
4) What pressure class is this 3/4 x 3/4 x 3/8 malleable iron tee?
Standard class, rated per ASME B16.3. That's the Class 150 malleable iron standard, the usual choice for general plumbing and low pressure steam or air. If your spec calls for Class 300, you need an extra-heavy fitting instead of this one.
5) Is the galvanizing on this tee suitable for outdoor or damp-location piping?
The coating is hot dip galvanized to ASTM A-153, the spec for hot dip zinc on threaded hardware. That's the finish used on exterior, wet, and corrosive-service runs, and it matches galvanized steel pipe so you aren't mixing dissimilar coatings on the same line.
6) Can I use a galvanized malleable iron tee on a potable water line?
It's a galvanized malleable iron fitting sold for plumbing service, so it suits galvanized water piping and general supply runs. It is not a copper or PEX fitting, and it should not be threaded directly to copper without a dielectric union. Confirm your local code's stance on galvanized potable piping before you commit to the run.
7) Does this tee meet ASME B16.3 dimensions so it will drop into an existing spec'd run?
Yes. Center-to-end and thread dimensions follow ASME B16.3 and the iron is ASTM A-197 malleable, so it interchanges with any other B16.3 Class 150 malleable tee of the same 3/4 x 3/4 x 3/8 size. Your takeout lengths won't change when you swap brands.
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Does the ASC Engineered Solutions 311038400 come with a warranty?
Absolutely. The ASC Engineered Solutions 311038400 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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