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The Best 4Mm Compression Fitting of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 4Mm Compression Fitting of 2022. Check our ranking below.

2,587 Reviews Scanned

Rank No. #1
PATIKIL 4mm Tube Brass Compression Sleeve Ferrules, 15 Pack Brass Compression Fittings
  • Material: Brass; Color: Gold Tone; Fit Tube OD: 4mm / 0.16"; Ferrule Size: 6mm x 5mm / 0.24" x 0.2"(OD*H); Package List: 15 x Sleeve Ferrule
  • Advantage: Made of brass material, which is corrosion resistant, high pressure resistant, durable and has a long service life.
  • Instruction: This sleeve ferrule can be connected to copper, brass, aluminum, or plastic tubing. Easy to connect and install.
  • Application: The sleeve ferrule is commonly used to connect lines for air, water, oil in a quick and simple way.
  • NOTE: Please confirm the size before purchasing it!
Rank No. #2
PATIKIL 2.5mm ID 4mm OD Tube Brass Compression Assortment Kit 1 Set, Sleeve Ferrule & Insert & Nut
  • Material: Brass; Color: Gold Tone; Fit Tube ID: 2mm / 0.08"; Fit Tube ID: 2.5mm / 0.1"; Fit Tube OD: 4mm / 0.16"; Thread Size: M8*1.0; Package List: 1 x Sleeve Ferrule, 1 x Insert, 1 x Nut
  • Advantage: Made of brass material, which is corrosion resistant, high pressure resistant, durable and has a long service life.
  • Instruction: This brass compression kit can be connected to copper, brass, aluminum, or plastic tubing. No flaring tool is required for assembly.
  • Application: The brass compression is commonly used to connect lines for air, water, oil in a quick and simple way.
  • NOTE: Please confirm the size before purchasing it!
Rank No. #3
Megairon 1/8" NPT Male x 4MM Double Ferrule Compression Tube Fitting,Stainless Steel SS304 Male Straight Adapter
  • Coupler for connecting two pipes in a straight run
  • Male NPT threads on one end and a tube connection on the other
  • This fitting has a double ferrule construction,reducing the possibility of leakage
  • Made of stainless steel 304 for strength,Lower carbon content for greater resistance to corrosion
  • Push-to-connect fitting connects to pipes or tubing on one end and has an NPT male connector on the other
Rank No. #4
E-outstanding Compression Ferrule Sleeve 50PCS 4mm Brass Double Taper Ferrule Pipe Tube Fittings
  • Made of brass, corrosion-resistant and durable.
  • High-quality connectors are manufactured according to the highest standards.
  • The operating temperature range is -65 to +250 degrees Fahrenheit.
  • Brass compression sleeve, used to compress pipe joints.
  • Package includes: 50 compression ferrules.
Rank No. #5
Pysrych 304 Stainless Steel Compression Fitting 4mm Tube OD x 1/4" NPT Male Coupler Straight Adapter Connect with Double Ferrules Pack of 2
  • Coupler connects to tubing on one end and has an NPT male thread connector on the other.
  • Suitabal medium: Water, oil, air and some corrosive liquid.
  • Made of stainless steel 304, heavy duty, durable and corrosion resistance.
  • Compatible with stainless steel, copper, rigid and semi-rigid plastic tubing
  • Nominal pressure: 16Mpa/2900psi; Max Applicable temperature: 450℃/842℉
Rank No. #6
Joywayus 50pcs Brass Compression Fitting Sleeves Ferrule Ring for 4mm Tube
  • No flaring tool required for assembly.
  • Sleeve for a tube compression fitting.
  • This Joywayus compression fitting is made of brass.
  • Connects to 4mm copper,brass,aluminum,or plastic tubing.
  • Brass for corrosion resistance,ductility at high temperatures,and low magnetic permeability.
Rank No. #7
Beduan Pneumatic Plastic Bulkhead Union Fitting 4mm Tube OD x 4mm Tube OD Push to Connect Air Fitting (Pack of 5)
  • Size: 4mm OD x 4mm OD ; Body: Brass & plastic
  • Style: Bulkhead Union ; Applicable Tube: PU / PA / PE / PVC
  • Fluid Type : Air and Water ,Vacuum ; Working Pressure: 2MPa | 290psi/ Working Temperature:-20°C—120°C | -4°F—248°F
  • Push to connect Fittings are easy to install flexible and space-saving with ability to rotate 360-degree, freely release rings adopt ellipse design which can be removed conveniently.
  • Our Brass Push to Connect Fittings are more resistant to high temperatures and pressures.
Rank No. #8
PATIKIL 4mm Tube OD Brass Compression Sleeves Ferrules, 60 Pack Brass Ferrule Fitting and Hose Insert Support Assortment Kit for Air Water Gas Pipe
  • Material: Brass; Brass Ferrules Size: 4mmx5.5mmx4.2mm / 0.16 inch x 0.22 inch x 0.17 inch (ID x OD x H); Insert Fitting Hole Size: 1.8mmx4mmx10.6mm / 0.07 inch x 0.16 inch x 0.42 inch (ID x OD x H); Suitable for connecting 4mm hose or pipe.; Packing List: 30 Pack x Brass Ferrule, 30 Pack x Insert Fitting
  • Advantages: The brass ferrule fittings are made of brass, good corrosion resistance. it is durable and reusable. These ferrules have a smooth surface and provide a good seal, providing a secure connection for hose connections.
  • Instruction: 1.If you are going to use the brass ferrule on pipe, please insert the copper pipe with appropriate diameter into it, then fixing it to pipe connectors with nuts. 2.If you are going to use the brass ferrule on hose, please insert the brass insert fitting into hose firstly and then install the brass ferrule..
  • Application: This brass compression sleeves ferrule is widely used in pipe connection for hydraulic and pneumatic systems, HVAC, humidifiers, etc., suitable for connecting copper, brass, aluminum, or plastic tubing. And the insert fitting are mainly used to insert into the hose when you are going to use it connect to a hose but not a pipe.
  • Note: Need to confirm your hose or pipe size before ordering.
Rank No. #9
4mm Quick Fitting, 5/32” OD Push to Connect Pipe Tube Straight Fittings, Pneumatic Air Line Connector 20Pcs
  • Product Name: Straight Quick Fitting; Model: PU-4; Connect Tube Size (OD): 4mm(5/32")
  • Working Pressure: 0-1MPa; Guaranteed Pressure: 1.5MPa; Working Temperature: 0 to 60 degrees Celsius.
  • Design: plastic material makes the fittings light and compact, good seal performance ensures the high quality.
  • Structure: quick fitting has an oval release ring for easy removal and installation of the tube.
  • Application: push to connect fitting is designed for polyethylene, PU/ PA/ PE/ PVC and nylon pipe.
Rank No. #10
Hilitchi 8Sizes Tube OD 4mm-16mm Brass Compression Sleeves Ferrules Compression Fitting Kit (Metric, 220Pcs)
  • ✅ [QUALITY MATERIAL] Made of brass, these compression sleeves ferules are lightweight material but good toughness, high strength, features corrosion resistance and wear resistancee, strong pressure resistance, they are also very easy to assemble. Good sealing performance, no leaks.
  • ✅ [FERRULE DESIGN] It is very practical for the tubing fitting. Like cylindrical shaped, bulging in the middle but two edges’s diameter are smaller than the belly part so that it could ensure the reliability of a compression seal.
  • ✅ [HOW IT WORKS] Insert the tubing into the end of the fitting and then tighten it with the nut or screw and then forcing the ferrule into the fitting body. The ferrule design is very practical for the tubing. Like cylindrical shaped, it is bulging in the middle but two edges’s diameter are smaller than the belly part so that it could ensure the reliability of a compression seal.
  • ✅ [APPLICATION] Since these brass compression fittings are good to create the most reliable seal, they can be see anywhere in systems from gas lines in refineries, to the plumbing under your sink, water heater in your home or a pipe transporting thing or your plumbing devices. They are used for fixed locking of copper pipe and hard pipe, PU tube, nylon tube or hard plastic tubing.
  • ✅[QUALITY AFTER-SALE SERVICE] If you do not satisfy with our products or if you have any questions, please come to us for help. We would work out a satisfactory solution to your problem. 12 hours response service!

Last update on 2023-08-26 / Affiliate links / Images from Amazon Product Advertising API

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  1. Brand Value: Every brand of 4Mm Compression Fitting has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 4Mm Compression Fitting?
  3. Specifications: How powerful they are can be measured.
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  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 4Mm Compression Fitting.
  7. Product Quality: You don’t always get what you pay for with an 4Mm Compression Fitting, sometimes less, and sometimes more.
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