3 Black Coupling
SKU: 41423839067

3 Black Coupling

Sale price$69.93 Regular price$77.70
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  • USA
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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11

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Description

3 Black CouplingThe 3 Black Coupling is a threaded pipe fitting designed to connect two male threaded pipes in a plumbing, gas, or industrial piping system. Connects two pipes join two male threaded pipes in a straight line configuration. The threaded ends female NPT threads allow for secure and leak resistant connections. Made of black malleable cast iron, it is durable, pressure resistant, and commonly used in non corrosive environments. The black coating provides

The 3 Black Coupling is a threaded pipe fitting designed to connect two male-threaded pipes in a plumbing, gas, or industrial piping system. Connects two pipes join two male-threaded pipes in a straight-line configuration. The threaded ends female NPT threads allow for secure and leak-resistant connections. Made of black malleable cast iron, it is durable, pressure-resistant, and commonly used in non-corrosive environments. The black coating provides moderate rust resistance.

Specification Details
TYPE Black Coupling
DESIGN Threaded design allows for quick assembly and disassembly
MATERIAL Iron for heavy-duty applications in gas, steam, and industrial fluid piping
MATERIAL CONSTRUCTION Malleable Iron
WEIGHT (LBS)

3.550

CONNECTION SIZE 1

3"

CONNECTION SIZE 2

3"

CONNECTION TYPE

FPT|FPT

CONNECTION TYPE 1

FPT

CONNECTION TYPE 2

FPT

DIMENSION STANDARDS

ANSI B 16.3

DIMENSIONS

3.18" Length

FINISH

Black

FITTING TYPE Coupling
PRESSURE CLASS 150 lb
TEMPERATURE RATING -20 to 350 deg F
THREAD SIZE 3-8
BOXCASE        
1/12
APPROXWT LBS        
3.49
APPLICATIONS

Ideal for gas lines, air & steam systems, hydronic heating systems, fire sprinkler systems, industrial & mechanical piping

BRAND Midland Industries

 

Link to Midland Industries Catalog

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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: 41423839067

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Verified Purchase
Benjamin Tua
Houston, US
★★★★★ 5
s tier quality
superior quality, single cast aluminum 👍
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Reviewed in the United States on May 2, 2026
M
Verified Purchase
Mr. Jibby
Bozeman, US
★★★★★ 4
Too Tight but It Works
It doesn't really sit on very well to be honest, it tends to sit TOO tight in my opinion. Taking it off can be a hassle but at least it gets the job done, durability is good, finish is great, obviously easy to use.
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Reviewed in the United States on April 28, 2025
H
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Hernan
Los Angeles, US
★★★★★ 5
BMW F25
Saved me when tried to change the oil. Great price
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Reviewed in the United States on May 23, 2026
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Venkatesh
Whiting, US
★★★★★ 5
Great product
Fits perfectly, easy to use, build for value. 3/8 inch drive. Overall made my job easy.
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Reviewed in the United States on December 18, 2025
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Chris Alvarez
Belleville, US
★★★★★ 5
2007 BMW Z4
Worked great for taking out oil filter
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Reviewed in the United States on May 20, 2026

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