SKU: 31503322350

Bonfix reducing coupling, brass, 2x compression, Kiwa, Gastec QA, 28 x 22 mm

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Description

Bonfix reducing coupling, brass, 2x compression, Kiwa, Gastec QA, 28 x 22 mmThis Bonfix reducing coupling is used with water pipes, gas pipes, heating installations or industrial transport systems. A reducing coupling is used to create a transition between 2 pipes of different diameters. With brass compression fittings you can easily create a safe and leak free connection between 2 pipes, without welding, soldering or pressing. It is possible to reuse the compression fitting, but the compression ring must be replaced. In

This Bonfix reducing coupling is used with water pipes, gas pipes, heating installations or industrial transport systems. A reducing coupling is used to create a transition between 2 pipes of different diameters.

With brass compression fittings you can easily create a safe and leak-free connection between 2 pipes, without welding, soldering or pressing. It is possible to reuse the compression fitting, but the compression ring must be replaced.

In addition to this reducing coupling, the range includes various other couplings, such as:
  • Compression ring.
  • Elbow 90°.
  • Support sleeve.
  • Tee 90°.
  • Union nut.

Installation

With a brass compression coupling, you can easily create a strong and reliable connection without needing special tools. All you need is a spanner to tighten the coupling, a pipe cutter to cut the pipe to size, and a deburring tool to smooth the edges. The compression ring in the coupling ensures a leak-free connection.

The installation of a compression fitting in a water pipe follows these steps:
  • Cut the pipe to size and deburr the ends to prevent any damage to the pipe.
  • Slide the pipe into the compression fitting until it reaches the stop edge.
  • Hand-tighten the compression nut.
  • Then tighten the compression fitting with a wrench;
  • 12 and 15 mm: one full turn.
  • 22 mm: half to three-quarters turn.
  • 28 mm or larger: approximately three-quarters turn.
Please note: If the gland is tightened too much, there is a risk of leakage. When using a soft red copper or plastic pipe, we recommend using a support sleeve to prevent the pipe from being compressed.

Do you want to buy a brass compression coupling or need more information?

The desired brass compression coupling can be ordered easily and quickly via our website or purchased in one of our branches. Are you not yet sure what the optimal brass compression coupling is for your situation? Contact one of our specialists for advice without obligation.
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: 31503322350

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Enyk
Los Angeles, US
★★★★★ 3
loose zip up collar
The zip up collar doesn't hold it's shape in place a bit but otherwise ok.
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Reviewed in the United States on March 20, 2026
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R. Evano
Massapequa, US
★★★★★ 4
Decent material, more of a sporty outfit than a tracksuit
I got the XXl which is what I get in Adidas when they’re cut slim. This is not cut slim. I like the looser fit, but it’s not like a tracksuit top at all, it’s like a shirt. The bottom is a plain hem. It’s way too wide for me like this. It needs a drawstring in it or an elastic waist. The material is slick and has a clean finish. The pants are the same as the top, it’s not fuzzy inside, it doesn’t have the same static cling fuzzy polyester gets. It’s thicker than I expected, more like track pants than gym shorts. I need to put some elastic thru the bottom hem so it fits better.
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Reviewed in the United States on November 28, 2025
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Dirty
Bozeman, US
★★★★★ 5
Nice, Soft and Comfortable Tracksuit
First thing my son said when he put it on and the quarter zip was down was that he felt like Paulie Walnuts off The Sopranos. It cracked me the heck up. With the collar that kind of butterflies out, but still stylish. This is a nice and quality tracksuit. It is made of soft polyester and the spandex makes it stretchy. It fits true to size. It fits loosely so you have some room to move around. I got this for my son as he had no athletic type clothes to wear when it gets cold. It is kind of a good thing that the material is not heavy, but it generates heat and is perfect for colder weather. you can't wear it when it is in the mid-70's or so unless you are just a cold natured person. Wearing a T-Shirt under it is great. The tracksuit is perfect to wear to sporting events, a sports bar or shopping on a spring or fall day. The pants fit well and are the proper length. My son is 6' and a buck sixty-five. Fits him like a glove and it still would if he were heavier. The elastic waist is nice and the cords are not uncomfortable like some can be. I recommend this product.
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Reviewed in the United States on November 28, 2025
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Bozeman, US
★★★★★ 5
Lexiart Golf Quarter-Zip Track Set - Cozy Remote Work Uniform
Fabric keeps basement office warm—zipper vents when needed. Looks polished on video calls, comfy all day. Sun protection bonus for outdoor breaks. Fits well and I like the color.
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Reviewed in the United States on December 20, 2025
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kenneth swiney
Lake Worth, US
★★★★★ 5
Quality and cost.
Color: Gray, Size: X-Large
Good quality and fit!
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Reviewed in the United States on February 13, 2026

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