Best 4Mm Compression Fittings in 2022 [*Top Picks*]

6114 Reviews Scanned

• Bestseller #1

  Joywayus 50pcs Brass Compression Fitting Sleeves Ferrule Ring for 4mm Tube (965)

  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.

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• Bestseller #1

  E-outstanding Compression Ferrule Sleeve 50PCS 4mm Brass Double Taper Ferrule Pipe Tube Fittings (1099)

  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.

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• Bestseller #1

  Metalwork Metric Nickel Plated Brass Compression Tube Fitting, Union, Double Sleeve Straight Connector, 4mm OD x 4mm OD, Pack of 2) (189)

  Three piece construction - nut, sleeve and body with attached insert Use with copper, brass, aluminum, or plastic tubing High Pressure Resistance, Temperature Resistance Seal ability and good repeatability, Easy to disassemble no flaring tool required Installation and maintenance convenient Safe and reliable, Nickel plated brass construction

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• Bestseller #1

  Hilitchi 8Sizes Tube OD 4mm-16mm Brass Compression Sleeves Ferrules Compression Fitting Kit (Metric, 220Pcs) (2565)

  ✅ [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!

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• Bestseller #1

  Joywayus Compression Sleeve Ferrules 4mm Tube OD 2.9mm Tube ID Brass Compression Fitting and Insert Tube Ferrule Kit(Pack of 60) (965)

  Size: 4mm Tube OD x 2.9mm Tube ID Package include:30pcs sleeve ferrules+30pcs inserts. Durable and high standard brass compression fitting. Brass for corrosion resistance,ductility at high temperatures,and low magnetic permeability. Commonly used to connect lines for air,water,fuel,oil and inert gases in a quick and simple way.

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• Bestseller #1

  Pysrych 304 Stainless Steel Compression Fitting 4mm Tube OD x 1/4" NPT Male Coupler Straight Adapter Connect with Double Ferrules Pack of 2 (50)

  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℉

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• Bestseller #1

  Beduan Brass Compression Fitting, 4mm OD 2.9mm ID Compression Sleeve Ferrules and Insert Tube Support Crimp Ferrule Stiffener Combo 20 Pcs (953)

  Solid and durable brass construction. Lead Free. Package include: 10 pcs ferrule sleeve + 10 pcs insert tube support. Size: 4mm Tube OD x 2.9mm Tube ID Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability It can keeps plastic tube from collapsing when tightened. And prevent leakage.

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• Bestseller #1

  Glarks 220Pcs Brass Compression Sleeves Ferrules, Tube OD 4mm 6mm 8mm 10mm 12mm 13mm 14mm 16mm Brass Compression Fitting Assortment Kit (3024)

  ♛【What You Get】: This kit include 220pcs 8 size ferrules which are suitable for 4mm, 6mm, 8mm, 10mm, 12mm 13mm 14mm 16mm outer diameter of the pipe. Wide range and enough quantity can meet your various needs. ♛【High Quality Material】: All our ferrules are made of high quality brass, anti-corrosion and anti-rust, they can work for a long time even in humid environment. At the same time, it also has enough strength to withstand the pressure of the pipeline. ♛【Product Feature】: These ferrule sleeves are light, portable and durable in use. After the installation is complete, it is tightly closed, which can offer a good sealing effect. ♛【Excellent Craftsmanship】: We pay attention to every detail our goods. These fittings have perfect radians and are not easy to slip during installation; surface is smooth and free of burrs, which will not harm your pipeline. ♛【Wide Application】: These sleeves are part of tube compression fitting, can be used with copper, brass, aluminum, 304 stainless steel tube, plastic tubing and other hard pipe or hose. They are easy to install and no tool required.

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• Bestseller #1

  Compression 5/32" or 4mm Tubing OD x 1/8" NPT Male Pipe Fitting 90 Elbow (120)

  Compression Tube to NPT Male Fitting Compression End One: 5/32” or 4mm Tube OD Thread End: 1/8” NPT Male 90 Degree Elbow Material: Nickel Plated Brass

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• Bestseller #1

  Megairon 1/8" NPT Male x 4MM Double Ferrule Compression Tube Fitting,Stainless Steel SS304 Male Straight Adapter (19)

  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

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