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Stainless Steel 304 Cast Pipe Fitting, Coupling, Class 150, 1/2" NPT Female

4.4 out of 5 stars 26 customer reviews

Price: $2.51 ($2.51 / Each) & FREE Shipping on orders over $35. Details
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  • Coupling for connecting and extending pipes going in the same direction
  • Female National Pipe Taper (NPT) threads for connecting two male pipes
  • Made of stainless steel 304 for strength
  • Low carbon content for greater resistance to corrosion
  • Class 150 fittings conform to standards ANSI B1.20.1 and ISO 49 for quality assurance

Product Specifications
Part Number KP411-08
Number of Items 1
Size 1/2"
Overall Length 1-3/8  inches
UNSPSC Code 40170000
Specification for this product family
Brand Name Merit Brass
Material Type Stainless Steel
Upper Temperature Range 100  Degrees Fahrenheit
Specification Met ISO 49 ANSI B1.20.1
System of Measurement Inch
Grade 304
Inside Diameter 1/2  inches
Maximum Working Pressure 150  PSI
Pressure Rating Class 150
Shape Coupling
Style Name Threaded

The Merit Brass class 150 coupling is a stainless steel 304 cast pipe fitting with female Nati... See more product details


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$2.51 ($2.51 / Each) & FREE Shipping on orders over $35. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Stainless Steel 304 Cast Pipe Fitting, Coupling, Class 150, 1/2" NPT Female
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Total price: $27.02
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Product Description

Number of Items: 1

The Merit Brass class 150 coupling is a stainless steel 304 cast pipe fitting with female National Pipe Taper (NPT) threads for connecting and extending pipes going in the same direction. Made of stainless steel 304, the low carbon content of this fitting ensures higher corrosion resistance than 302 grade steel. The coupling has NPT threads for creating tighter seals than straight threads. This class 150 fitting meets standards ANSI B1.20.1 and ISO 49 for quality assurance. Class is a standard relating to tolerance, construction, dimension, and wall thickness, but it is not a direct measurement of maximum working pressure.

Pipe fittings are components used for connecting, terminating, controlling flow, and changing the direction of piping in many different industries. When purchasing pipe fittings, consider the application, as this will affect material type, shape, size and required durability. Fittings are available threaded or unthreaded, in many shapes, styles, sizes, and schedules (pipe wall thickness).

Merit Brass manufactures pipe nipples following ISO 9001 standards for quality assurance. Family-owned since 1937, the company is based in Cleveland, OH. Merit Brass distributes pipe fittings to the United States and Canada.


Product Details

Number of Items: 1
Pipe Fitting Measuring Guide [73kb PDF]
  • Shipping Weight: 3.7 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • ASIN: B003GSKXUU
  • Average Customer Review: 4.4 out of 5 stars 26 customer reviews
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Customer Reviews

Top Customer Reviews

Number of Items: 1 Verified Purchase
After buying a 1/2 to 1/2 coupler from a local hardware store that was hideous, bulky, and prevented me from attaching my showerhead securely (due to the bulk), I was very pleased to receive this one. It's very high quality, has a very clean finish, and is quite thin, which allowed me to fully secure it to the shower pipe embedded in my wall. Great.
I'll try to upload a pic showing the crappy hardware store one compared to this one... really obvious difference in quality!
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Number of Items: 1 Verified Purchase
This works perfectly if you are doing a mash tun build to connect a 1/2" NPT pipe nipple to a 1/2" NPT male bazooka screen.
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Number of Items: 1 Verified Purchase
I looked all over the hardware stores locally to find this and no one had a female-to-female connector for the shower head. Hoooray Amazon! I scratched it up slightly when installing, but I was using metal on metal with the pipe wrench so that's to be expected. Heavy duty little thing.
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Number of Items: 1 Verified Purchase
Great part, attaches together 1/2" NPT male threaded parts. Connects nicely and solidly with no leaks or imperfections. Great for attaching or extending your plumbing.
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Number of Items: 1 Verified Purchase
This is perfect to add to a weldless ball valve to add a screen .to filter your wart before carboy or mash ton
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Number of Items: 1 Verified Purchase
it works as a nice extension of our shower head pipe. However, no matter how many layers of Teflon I put on, it still leaks slightly. Maybe it's just our pipe. Can't complain since it solved my problem after all.
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By GB on September 12, 2013
Number of Items: 1 Verified Purchase
Stainless Steel 304 Cast Pipe Fitting, Coupling, Class 150, 1/2" NPT Female... did what is was made to do. End.
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Number of Items: 1 Verified Purchase
Used this product on my "water" still. I drilled a hole in boiler, welded fitting in place, and screwed thermometer into well. It works perfectly.
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Stainless Steel 304 Cast Pipe Fitting, Coupling, Class 150, 1/2" NPT Female
This item: Stainless Steel 304 Cast Pipe Fitting, Coupling, Class 150, 1/2" NPT Female
Price: $2.51
Ships from and sold by Amazon.com