The Best Compression Union Straights

Looking for the best Compression Union Straights?

Discover now our comparison of the best Compression Union Straights. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Compression Union Straights are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Compression Union Straights in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1

HaSaoMoi D.O.T Brass Compression Straight Union Fittings, 3/8" Air Compression Union for Nylon Tubings (Pack 4)

PREMIUM MATERIAL:Our Brass Compression Tube Fittings are made of high quality CA360 brass, with corrosion resistance, high temperature ductility and low permeability. Great for long time use, dot compression tube fitting assortment pneumatic fittings type: 3/8"
TYPICAL APPLICATION:The brass compression fittings for nylon tubing can be used with air systems, copper tubing in air lines brake systems, which is perfect for automotive car or truck repair or trailers daily parts replacement, air operated seats, operating gauges, air horns, heater controls, industrial workshops, daily garden or lawn mower repair, towing machine hose connection and air brake connections
EASY TO BE INSTALLED:The compression tubing sleeve connect two tube with same OD. Take out the outer sleeve and insert the nylon tube in, fasten the outer sleeve into the main body again. Make sure the small inside sleeve is kept together with the hose
MAX PRESSURE: Working pressure from vacuum to 250 psi. Temperature Range: -40° F to +200° F（-40°C to +93°C）(Note: see tubing manufacturer’s recommendations for pressure and temperature mutations)
PACKAGE INCLUDES:You will receive 4 pcs 3/8" Tube OD Brass Compression Tube Fitting, which can meet your needs of use and replacement, and you can also share them with others

No. 2

Taiidaues Brass Compression Tube Fitting, Straight Coupling Adapter, 10 PCS 3/8" OD x 3/8" NPT Male Compression Union Connector & 10 PCS Compression Sleeves Ferrules

You Will Get- 10 pcs 3/8" OD x 3/8" NPT Male Compression brass tube fittings, 10 pcs 3/8" OD Compression Sleeves Ferrules. NPT thread is the nominal pipe size and does not represent the actual diameter, please refer to the dimension drawing for specific diameter
High Quality Brass - Our 3/8" compression fitting kit is made of high-quality brass, with strong wear，corrosion resistance, high compressive strength, durability, low magnetic permeability and high temperature ductility
Widely Use- Brass compression tube fittings meet specifications and standards of ASA, ASME asn SAE. Good sealing and repeatability, temperature and pressure resistance. Perfect fit for oil, gas, water and other non-corrosive or corrosive pipeline systems, no need for welding and flaring tools, easy disassembly, installation and maintenance, etc
WORKING PRESSURE & TEMPERATURE - 2000 PSI maximum working pressure, temperature range -65°F to +250°F (-53°C to +121°C)
Tips- These copper tubing fittings contain lead and are not allowed by federal law to be installed for potable water use in the U.S.A. and its territories

No. 3

MuHize Compression Union Fittings, Upgraded 5/16" Compression Tube Fitting Ensure a Leakproof Connection, Suitable for Harsh Road Conditions, Corrosion Resistnant Brass Construction(Pack of 4)

【Easy to Install】: MuHize compression fitting is much easier than replacing, bending, and flaring new lines. Compression fittings for copper pipe are easy to disassemble no flaring tool is required. Just make sure the cuts to the original lines are clean and these will outlast the rest of the line with no leaks.
【Rust-Proof Reliability】: MuHize brass compression union fitting is built to last, protecting your brake lines from corrosion in harsh conditions.
【Versatile Compatibility】: This high-quality brass union works seamlessly with copper, brass, aluminum, or plastic tubing, suitable for most automotive applications.
【Size & Package Includes】: 5/16" Tube OD x 5/16" Tube OD. MuHize compression Tube Fitting mainly consists of a fitting body with a 24-degree tapered hole, a ferrule with a sharp inner edge, and a nut for compression(pack of 4).
【Working Principle】: MuHize compression Tube Fitting is to compress the ferrule by thread interlocking, and the two ends of the inner diameter of the ferrule tightly wrap the tube due to radial shrinkage, which plays a sealing role and realizes the sealing and tightening effect between the joint and the tube.

No. 4

HASAOMOI 90PCS Brass Tube Pipe Fittings Kit, Nylon Tubing Fittings Assortment 1/8" 3/16" 1/4" 3/8" 1/2" OD Compression Union Straight Connector & Sleeves Ferrules for Truck Airlines and Industrials

PREMIUM MATERIAL: Our brass compression fittings kit is made of high-quality brass, with strong wear, corrosion resistance, high compressive strength, durability, low magnetic permeability and high temperature ductility
WORKING PRESSURE & TEMPERATURE: The maximum working pressure of compression tube fitting repair is up to 200PSI , temperature range -65°F to +250°F (-53°C to +121°C)
EASY TO INSTALL: Manufactured for low and medium-pressure tubing connection work where excessive vibration or tube movement is not involved. Compression Fittings do not require any flaring, soldering, or other type of tubing preparation. Use with copper, brass, aluminum, or plastic tubing. Standard fittings use short nuts
WIDELY USE: Brass compression tube fittings meet specifications and standards of ASA, ASME and SAE. Good sealing and repeatability, temperature and pressure resistance. Perfect fit for oil, gas, water and other non-corrosive or corrosive pipeline systems, no need for welding and flaring tools, easy disassembly, installation and maintenance, etc
PACKAGE INCLUDES: Brass air line compression fittings contain: 4 pcs 1/8" compression tube union, 10 pcs 3/16" compression tube union, 8 pcs 1/4" compression tube union, 6 pcs 3/8" compression tube union, and 2 pcs compression tube union. 8 pcs 1/2"compression sleeves ferrules, 8 pcs 1/8" compression sleeves ferrules, 20 pcs 3/16" compression sleeves ferrules, 16 pcs 1/4" sleeves ferrules, 12 pcs 3/8" sleeves ferrules, and 4 pcs 1/2" compression sleeves ferrules. Total 90 pcs Brass Compression Fittings and 1pc 4m teflon tape

SaleNo. 5

Anderson Metals 50062-06 50062 Brass Compression Tube Fitting, Union, 3/8" x 3/8" Tube OD

Three piece construction - nut, sleeve and body with attached insert
Use with copper, brass, aluminum, or plastic tubing
Standard fittings use short nuts
Easy to disassemble no flaring tool required
Primary uses water, gasoline, oil and vacuum lines
These fittings contain lead and are not allowed by federal law to be installed for potable water use in the U.S.A. and its territories.

SaleNo. 6

(2-Piece) Besosay 1/2" OD x 1/2" OD Brass Compression Union Tube Fittings Connectors for Air Compressor, 1/2 Inch OD x 1/2 Inch Compression Union Straights

✅ PRODUCT SIZE - 1/2" Tube OD x 1/2" Tube OD. Constructed by 2 compressor nuts, 2 compressor rings and body. Easy to disassemble and no flaring tool required.
✅ HIGH QUALITY BRASS - This compression tube fittings is made of high quality brass, which offering perfect corrosion resistance, compressive strength, high temperature ductility and low magnetic permeability. The thickened body with strong physical properties makes it durable. This 1/2" Tube OD x 1/2" Tube OD compression tube fittings have reliable quality and long service life.
✅ MULTIPLE APPLICATIONS - This 1/2" Tube OD x 1/2" Tube OD compression union connectors are applicable to pipeline systems of oil, natural gas, water and other non-corrosive substances. Compression union connectors can be used repeatedly.
✅ MAXIMUM WORKING PRESSURE & WORKING TEMPERATURE RANGE - Maximum working pressure up to 1200 PSI , temperature range from -65°F to 250°F (-53°C ~ 121°C).
✅ OPERATING PRINCIPLES - These compression tube fitting are to compress the ferrule by thread interlocking, and both ends of the inner diameter of the ferrule tightly wrap the tube due to radial shrinkage, which plays a sealing role and realizes the sealing and tightening effect between the joint and the tube.

No. 7

SUNGATOR 6-Pack 3/8 Inch Brass Compression Tube Fittings, 3/8" x 3/8" OD Compression Union, Straight Coupling Adapter with a Sealing Tape

【Package Includes】: 6 PCS 3/8" OD x 3/8" OD Brass Compression Union; 1 PCS Sealing Tape.
【Easy Installation】: Easy disassembly without flaring tools, only need to unscrew the nut and sleeve, insert the compression coupling and tighten it successively.
【Better Sealing】: Precision thread, smooth surface, the threads are tighter, deeper, and smoother than regular products, and a sealing tape is included for further enhancing sealing performance.
【Superior Material】: Solid brass construction offers wear/corrosion resistance, high ductility, strength, and low permeability for a long service life. Lead-free brass guarantees the safety and health of your family.
【Wide Application】: Compatible with copper, brass, aluminum, or plastic pipe tubing line, the compression connector is ideally suited for pipeline systems carrying Water/Fuel/Oil(Lquid),Air/Vacuum(Gas).

No. 8

Ailbiuko 53 PCS DOT Brass Compression Air Brake Nylon Tubing Fittings,Straight Union Fitting Assortment Kit 1/4" 1/8" 3/8" 1/2" 5/8" for Truck or Industrial Air System

STRAIGHT UNION KIT: The dot air compression union fittings kit package includes 53pcs : 4 pcs 1/8" x 1/8" compression tube union, 6 pcs 1/4" x 1/4" compression tube union,6 pcs 3/8" x 3/8" compression tube union,2 pcs 1/2" x 1/2" compression tube union,1 pc 5/8" x 5/8" compression tube union,34pcs sleeves ferrules,1pc 4m teflon tape
PREMIUM MATERIAL: Our DOT dot air compression union fittings kit is made of high-quality CA360 brass, Meet D.O.T FMVSS 571.106, Air Brake system Requirements, with corrosion resistance, high-temperature ductility, and low permeability. Great for long-time use, dot union fitting type: 1/8",1/4",3/8",1/2",5/8"
PRESSURE RANGE: Air line fittings pressure resistance, not easy to trip. Air brake fittings working pressure from vacuum max to 300 PSI. Temperature Range: -65° F to +200° F(Note: see tubing manufacturer’s recommendations for pressure and temperature mutations)
EASY TO INSTALL: Our dot air compression union fittings kit quicks disconnect push tubing in, you need to use tools to fix loose parts to handle in tight places so that use will be firmer and not easy to fall off. And wrapped the additional teflon tape we presented to make the connection closer, thereby extending the service life
TYPICAL APPLICATION: Air brake fittings assortment kit can be used with air systems, copper tubing in airline brake systems, which is perfect for automotive car or truck repair, air operated seats, operating gauges, air horns, industrial workshops, air brake connections, towing machine hose connection and air brake connections or lawn mower repair

No. 9

Hooshing 3PCS Brass Compression Tube Pipe Fitting 1/8" Tube OD x 1/8" OD Union Connector

【Solid Brass】Quality brass for corrosion resistance, high temperature ductility and low magnetic permeability. Dual couplings for joining two tubes of the same diameter.
【Function】Compression union for connecting two 1/8 inch compression fitting tubes together. Connecting and disconnecting two tubes more easily than with a coupling.
【Three piece construction】Nut, sleeve and body with attached insert use with copper, brass, aluminum, or plastic tubing
【Widely Application】Applied in the Fuel, Air, Liquid, Oil, Gas, Vacuum, refrigerator water Lines
【Package Quantity】3 Pack 1/8" x 1/8" Tube OD Compression Fitting Union Adapter.

No. 10

3/4 Inch OD to 3/4 Inch OD Compression Union Connector, 3/4" x 3/4" Brass Compression Fitting for Refrigeration, Water, Oil Gas, and Hydraulic Systems

Package contains:1pcs brass compression tube fitting, 3/4" OD x 3/4" OD
Brass connector:These brass compression fittings are crafted from durability brass,it is perfect for various piping applications, including HVAC systems and metal tubing connections
Superior Sealing: Engineered with tight inner diameter ferrules, our compression tube fitting employs radial shrinkage and thread interlocking techniques to ensure an effective and secure seal, enhancing joint performance
Application Ranges: Perfectly suited for a range of uses, these brass compression fittings support multiple configurations such as transmission line fittings, tube connector, and fuel line compression fittings, providing excellent versatility
Simple to install: Designed for hassle-free assembly, each fitting requires the steel pipe to be cut to the appropriate length and free of burrs. A simple 1/2 turn after reaching the pressure point ensures a secure fit without other complicated tools

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Last update on 2025-07-05 / Affiliate links / Images from Amazon Product Advertising API

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