SKU: 3124095759

4 x 3 300 Pressure Duty Black Malleable Reducing Coupling

Sale price$1065.01 Regular price$1183.35
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Description

4 x 3 300 Pressure Duty Black Malleable Reducing CouplingThe 4 x 3 300 Pressure Duty Black Malleable Reducing Coupling is a pipe fitting designed to connect two pipes of different sizes in a piping system. Made from black malleable iron, it has a 300# (300 PSI pressure rating), making it suitable for medium to high pressure applications in gas, steam, oil, and industrial systems. The black coated surface provides mild corrosion resistance for dry environments. Specification Details TYPE 300 Pressure Duty

The 4 x 3 300 Pressure Duty Black Malleable Reducing Coupling is a pipe fitting designed to connect two pipes of different sizes in a piping system. Made from black malleable iron, it has a 300# (300 PSI pressure rating), making it suitable for medium to high-pressure applications in gas, steam, oil, and industrial systems. The black-coated surface provides mild corrosion resistance for dry environments.

Specification Details
TYPE 300 Pressure Duty Black Malleable Reducing Coupling
DESIGN Reducing coupling designed to connect pipes of different sizes.
MATERIAL Iron for high strength & durability that can withstand high pressure and mechanical stress.
MATERIAL CONSTRUCTION Malleable Iron
WEIGHT (lbs) 4.080
CONNECTION SIZE 1 4"
CONNECTION SIZE 2 3"
CONNECTION TYPE FPT|FPT
CONNECTION TYPE 1 FPT
CONNECTION TYPE 2 FPT
DIMENSION STANDARDS ANSI B1.20.1
FINISH Black
FITTING TYPE Coupling
PRESSURE CLASS 300 lb
SCHEDULE RATING XH
TEMPERATURE RATING -20 to 350 deg F
THREAD SIZE #4-8 x #3-8
APPLICATIONS

Ideal for Plumbing Systems, Industrial Piping, HVAC & Fire Sprinkler Systems, Compressed Air & Gas Lines, Irrigation & Agriculture.

BRAND Midland Industries

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 3124095759

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4.8 ★★★★★
Based on 13 reviews
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J
Verified Purchase
JB
Whiting, US
★★★★★ 5
Great oil mix
Size: 2.6 fl. oz (Pack of 12), Number of Items: 12
Sure saves time and money by combining the two products and since it’s synthetic oil it takes kess to do the job and as a bonus my equipment never smokes and upon teardown of my old blower it is cleaner than ever before with less wear!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 22, 2025
E
Verified Purchase
Edward
Grantham, US
★★★★★ 5
Good oil and price
Size: Single of 2.6 fl. oz, Number of Items: 1
Good oil good price. †
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 15, 2026
N
Verified Purchase
Netrunner
Birmingham, US
★★★★★ 4
Stinky, but Made in USA
Size: 2.6 fl. oz (Pack of 12), Number of Items: 12
I bought this product because it was one of the few 40:1/50:1 synthetic 2 cycle oils on Amazon. I have machines that take both, so it's a nice thing to have just 1 gas mix. Anyway, I'd say this product works. My leaf blower hasn't seized up or anything after hours of use, but this oil is noticeably more stinky than the last random, generic product I bought at the farm store. It's a kind of harsh pollution kind of smell. It's hard to describe. It doesn't put out a cloud of smoke. It's just stinky. Not the smell of what I'm familiar with the old, non-synthetic 2-cycle oils of the past. Anyway, I thought you should know. I gave this review an extra star for Made in USA.
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Reviewed in the United States on October 5, 2024
S
Verified Purchase
Sabrina
Lowell, US
★★★★★ 5
Reasonable price
Size: Single of 13 fl. oz, Number of Items: 1
Great product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 10, 2026
A
Verified Purchase
Allison Hanner
Houston, US
★★★★★ 5
Worked great
Size: Single of 13 fl. oz, Number of Items: 1
That’s what I needed it to do
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026

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