The Best Compression Union Fittings

Looking for the best Compression Union Fittings?

Discover now our comparison of the best Compression Union Fittings. 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 Fittings 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 Fittings 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

46pcs Brass Compression Tube Pipe Fittings Assortment Kit, Taiidaues 1/8" 3/16" 1/4" 5/16" 3/8" 1/2" OD Compression Union Connector & Compression Sleeves Ferrules

High Quality - 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
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)
You Will Get- Brass air line compression fittings contain: 1/8"-4 pcs, 3/16"-4 pcs, 1/4"-4 pcs, 5/16"-4 pcs, 3/8"-4pcs,and 1/2"-2 pcs compression coupling. 1/8"-4 pcs, 3/16"-4 pcs, 1/4"-4 pcs, 5/16"-4 pcs, 3/8"-4 pcs,and 1/2" -4 pcs compression sleeves ferrules. Total 46 pcs Brass Compression Fittings
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. 2

Legines Brass Compression Tube Fitting, Comp Union Coupling Assortment Kit 1/8", 3/16", 1/4", 5/16", 3/8" & 1/2" 6 Sizes (22 Pcs)

Kit contains 6sizes: 1/8"(2 pcs), 3/16"(10 pcs), 1/4"(4 pcs), 5/16"(2 pcs), 3/8"(2 pcs) and 1/2" (2 pcs)compression coupling, total 22pcs.
Each assortment contains a specific collection of fast moving fittings that should be kept on hand when working with automotive hydraulic braking systems.
This compression union assortments are designed for specialty and general repair shops.
Meets specifications and standards of ASA, ASME asn SAE.
Compression unions for joining copper, brass, or aluminum tubing in low-pressure applications

No. 3

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. 4

46 PCS Compression Fittings, Brass Compression Tube Pipe Fittings Assortment Set, 1/8" 3/16" 1/4" 5/16" 3/8" 1/2" OD Compression Union Connector and Compression Sleeves Ferrules

【Excellent Brass Material】- Wear-resistant, corrosion-resistant, non-rusting, high sealability, high compression strength, low magnetic permeability and high temperature ductility.
【Working Pressure & Tempreature】- 2000PSI maximum working pressure, temperature range -65°F to +250°F (-53°C to +121°C)
【46pcs Brass Compression Fittings】- The Package of Brass air line compression fittings include: 1/8"-4 pcs, 3/16"-4 pcs, 1/4"-4 pcs, 5/16"-4 pcs, 3/8"-4pcs,and 1/2"-2 pcs compression coupling. 1/8"-4 pcs, 3/16"-4 pcs, 1/4"-4 pcs, 5/16"-4 pcs, 3/8"-4 pcs,and 1/2" -4 pcs compression sleeves ferrules.
【Application】- Perfectly 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.
【 Profetional Manufacturers 】: Made by Profetional Factory, Materials and products was strictly tested before leaving the factory, This brass compression tube fittings Meet the specifications and standards of ASA, ASME asn SAE

SaleNo. 5

(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. 6

Pysrych 304 Stainless Steel Compression Tube Fitting Union with Double Ferrules 1/4" OD x 1/4" OD, Pack of 2

Union for connecting and disconnecting two pipes more easily than couplings
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℉

No. 7

ChillWaves Brass Compression Tube Fitting, 1/4" OD x 1/4" OD Compression Union Connector(10-PACK)

SIZE - 1/4" Tube OD x 1/4" Tube OD, 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.
MATERIAL - Made of high-quality brass, with strong wear and corrosion resistance, high compressive strength, durability, low magnetic permeability and high temperature ductility.
Use - Suitable for oil, gas, water and other non-corrosive or corrosive pipeline systems, temperature and pressure resistance, good sealing and repeatability, no need for welding and flaring tools, easy disassembly, installation and maintenance, etc.
WORKING PRESSURE & TEMPERATURE - 1200PSI maximum working pressure, temperature range -65°F to +250°F (-53°C to +121°C)
WORKING PRINCIPLE - 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. 8

180PCS Compression Fittings Assortment kit - 4 sizes (1/4", 3/8", 5/16", 1/2") of Brass Compression Sleeve Ferrule, Insert and nuts - used to connect lines for air,water,fuel,oil and inert gases

Brief Description: You'll get 180 pieces of compression fittings including compression sleeve ferrule, Insert and nuts of 4 different sizes for your convenience
Sizes: 1/4 inches- 20 pcs compression sleeve ferrule, 20 pcs compression insert & 8 pcs nuts. 3/8 inches- 20 pcs sleeve ferrule, 20 pcs insert & 8 pcs nuts. 5/16 inches- 20 pcs sleeve ferrule, 20 pcs insert & 8 pcs nuts. 1/2 inches- 15 pcs sleeve ferrule, 15 pcs insert & 6 pcs nuts
High-Quality Material: Solid , High Quality and durable brass construction. Lead Free, Corrosion resistance, ductility at high temperatures, and low magnetic permeability
Easy to Use: These fittings are easy to assemble requiring no soldering, flaring or deburring. Standard Compression Fittings are suitable for a wide variety of applications
Applications: This brass compression kit can be connected to copper, brass, aluminum, or plastic tubing. No flaring tool is required for assembly. It can keeps plastic tube from collapsing when tightened. And prevent leakage

SaleNo. 9

108pcs Brass Compression Tube Pipe Fittings Assortment Kit, 1/8" 3/16" 1/4" 3/8" 5/16" 1/2" OD Compression Union Connector & Compression Sleeves Ferrules

PREMIUM QUALITY: The Brass compression fittings are made of high-quality CA360 brass, with corrosion resistance, high-temperature ductility, low permeability and long service life.air hose fittings kit type: 1/8" 3/16" 1/4" 3/8" 5/16" 1/2"
108PCS Brass compression fittings kit: union compression fittings 1/8" 10PCS,1/4" 8PCS ,3/16" 4PCS, 5/16" 4PCS, 3/8" 4PCS,1/2" 2PCS. Sleeves Ferrules:1/8" 20PCS, 3/8"10PCS, 1/2"10PCS,1/4" 16PCS,3/16"10PCS,5/16" 10PCS
EASY TO INSTALL: Our air fitting kit quick disconnect, need to use tools to fix loose parts to handle in tight places, so that use will be more firm and not easy to fall off,plays a sealing role
WIDE APPLICATION: Brass compression fittings kit meet specifications and standards of ASA, ASME asn SAE. Temperature and pressure resistance,good sealing and repeatabilityUse for oil, gas, water and other non-corrosive or corrosive pipeline systems, no need for welding an,easy to install
PRESSURE RANGE: Brass compression tube fittings pressure resistance, not easy to trip. - 2000PSI maximum working pressure. Temperature Range: -65° F to +200° F. Note: see tubing manufacturer’s recommendations for pressure and temperature mutations

No. 10

Ice Maker Water Line Brass Compression Tube Fitting, Union, 3/8” OD x 3/8” OD, 2 Pack

✅ Pack of two 3/8” OD x 3/8” OD tube fittings
✅ Safe to use on copper or plastic water line tubing
✅ Hex head on both sides of adapter provide excellent grip during installation
✅ High quality and deep threads allow the fittings to bite better providing perfect compression for a leak-free connection
✅ Three piece construction - nut, sleeve and body with attached insert Use with copper, brass, aluminum, or plastic tubing, Meets specifications and standards of ASA, ASME asn SAE.

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Last update on 2025-06-05 / Affiliate links / Images from Amazon Product Advertising API

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