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The Best Compression Cap Fittings

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Discover now our comparison of the best Compression Cap 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 Cap 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 Cap 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
Breezliy 12PCS 3/8-Inch Brass Compression Cap Stop Valve Cap,Brass Compression Fitting
  • [Material]: Heavy-duty brass,strong and stable,with corrosion resistance,high temperature ductility and low permeability.
  • [Type]: Compression Cap Stop Valve Cap.
  • [Tube Size]:3/8" OD
  • [Temperature range] :Operating temperature range of -65 to +250 degrees F.
  • [Application ] :used to connect lines for air, water, fuel, oil and inert gases in a quick and simple way.
No. 2
(Pack of 10) Brass 3/8'' Compression valve Cap Fitting for Sink Shut off Angle Stop Water Line Valve with Sealing Rubber Gasket Washer
  • Package Include: Brass 3/8-inch Comrpression Cap -10Pcs, and suitable Sealing Washer - 10Pcs.
  • Versatile: Suitable for 3/8'' Comp supply line, plumbing repairs, toilets faucets, Add-A-Tee valve, washing / heater / dishwasher / under kitchen sink valves, and other applications requiring compression fittings.
  • Special Remarks: It's a 3/8'' compression fitting, NOT 3/8'' NPT thread. Double check your needs, if you need 3/8 NPT, It doesn't meet your requirements. But If you need a 3/8 compression fitting (for sink shut-off valves), then these are perfect.
  • Easy Installation: Designed for a secure, leak-proof fit with compression fittings.
  • Durable Material: Made from Brass for long-lasting performance.
No. 3
8pcs 3/8 Inch NPT Brass Pipe Cap, Brass Pipe Fitting Cap with Rubber Gasket Faucet Valve Caps Brass Compression Cap for Closing off Pipes
  • Package Content: The package includes 8 pieces of 3/8 brass compression caps and 8 rubber seals, sufficient quantity to meet your use and replacement.
  • Product Details: Our product is 3/8 inch/16mm female pipe caps, designed for closing the end of pipes or fittings.
  • Durable Material: The compression caps are made of brass, with strong hardness and strength, which are reliable and hard to break or deform. The gasket is made of rubber, use together to seal firmly.
  • Easy to Use: Each pipe cap is designed with a hex head and internal thread, easy to close the end of the pipes, and it is easy to detach.
  • Versatile Applications: Our pipe caps are frequently utilized in irrigation, underground sprinkler systems, swimming pools, plumbing fixtures, and rainwater collection systems, among others.
No. 4
6pcs Brass Pipe Cap with 6 Rubber Gasket, Brass Nut Gas line Water line Stop Valve Cap Pipe Plug Hex Compression Cap End Cap Plumbing Fittings for 1/4 3/4 3/8 Inch Od Pipe Connection
  • Package Content: The package includes 6 end pipe caps and 6 rubber washers (3 sizes) Enough quantity to satisfy your use needs.
  • Product Details: Our female pipe caps fit for 1/4, 3/4, 3/8 inch outer diameter pipe connection, designed for closing the end of pipes or fittings.
  • Durable Material: The compression caps are made of brass, with strong hardness and strength, which are reliable and hard to break or deform. The gasket is made of rubber, use together to seal firmly.
  • Easy to Use: Each pipe cap is designed with a hex head and internal thread, easy to close the end of the pipes, and it is easy to detach.
  • Versatile Applications: Our pipe caps are frequently utilized in irrigation, underground sprinkler systems, swimming pools, plumbing fixtures, and rainwater collection systems, among others.
No. 5
uxcell 2Pcs Brass Compression Cap Fitting Stop Valve Cap 1/4" NPT Hex Thread Pipe Fitting Flare Cap Tubing Ends Sealing Cap for Air Conditioner, Water, Air, Gas Line (Gold Tone)
  • Product Size: 1/4" NPT internal thread pipe cap, brass pipe cap is used to close the end of pipes or fittings.
  • MATERIAL: Made from solid brass with a smooth and bright surface, the brass compression cap is corrosion resistant and has high-temperature ductility, low magnetic permeability, corrosion resistance and high hardness, ensuring product stability and safety during use.
  • Application: Brass compression caps are widely used for sealing pipes and joints. It can be used in connecting lines for fuel, oil, air, propane, liquid petroleum or gas. It is also suitable for washing machines, air conditioners, water heaters, laundry machines, warehouses, outdoor gardens, etc.
  • How to Install: You can screw the brass pipe cap fitting into the threaded pipe in need easily and tighten it with a wrench to ensure it is firm, convenient to use.
  • Note: Please check thread size carefully before purchasing. Be careful not to over-tighten the fittings as this may cause damage or leakage.
No. 6
(Pack of 25) Brass 3/8'' Compression Cap Fitting for Sink Shut Off Angle Stop Water Line Valve with Sealing Rubber Gasket Washer
  • Package Include: Brass 3/8-inch Comrpression Cap -25Pcs, and suitable Sealing Washer - 25Pcs.
  • Versatile: Suitable for 3/8'' Comp supply line, plumbing repairs, toilets faucets, Add-A-Tee valve, washing / heater / dishwasher / under kitchen sink valves, and other applications requiring compression fittings.
  • Special Remarks: It's a 3/8'' compression fitting, NOT 3/8'' NPT thread. Double check your needs, if you need 3/8 NPT, It doesn't meet your requirements. But If you need a 3/8 compression fitting (for sink shut-off valves), then these are perfect.
  • Easy Installation: Designed for a secure, leak-proof fit with compression fittings.
  • Durable Material: Made from Brass for long-lasting performance.
No. 7
uxcell 2Pcs Brass Hex Head Plug Compression Cap Fitting Stop Valve Cap, 3/8" NPT Hex Thread Pipe Fitting Flare Cap Tubing Ends Sealing Cap with Gasket for Air Conditioner, Water, Gold
  • [Size & Packaging] - Package includes 2pcs 3/8" NPT Male pipe threads and 1 pc PTFE sealing tape. Hex head plug size: ID 14mm/0.55in, OD 18mm/0.71in, Length 13mm/0.51in
  • [Material] - Made from solid brass with a smooth and bright surface, the brass head plug is corrosion resistant and has high-temperature ductility, low magnetic permeability, corrosion resistance and high hardness, ensuring product stability during use
  • [Application] - The hex head plug is widely used for sealing pipes and joints. It can be used in connection lines for fuel, oil, air, liquid petroleum or gas. It is also suitable for washing machines, air conditioners, water heaters, warehouses, outdoor gardens, etc
  • [How to Install] - You can screw the brass head plug fitting into the threaded pipe in need easily and tighten it with a wrench to ensure it is firm, convenient to use
  • [Note] - Please check the thread size carefully before purchasing. Be careful not to over-tighten the tube fittings, as this can cause damage or leaks
SaleNo. 8
6 Pcs 1/2 Inch NPT Brass Pipe Cap, External Hexagon 1/2 Inch NPT Brass Compression Cap Fittings with Rubber Gaskets Copper Stop Valve Cover for Water Line Faucets Tap Irrigation System
  • Package Content: You will get 6 brass compression stop valve caps and 6 pieces of gaskets. Sufficient quantity will meet your needs.
  • Premium Material: Our 1/2 inch npt compression caps are made of good-quality brass, with high hardness, not easy to break or deform. The washers are made of rubber, which can be used together to seal firmly.
  • Practical Tool: Our stop valve caps are 1/2 inch nptfemale pipe caps, designed to close the end of pipes or fittings.
  • Easy to Use: Each brass compression cap is designed with a hexagonal head end, which is easy to rotate. With internal threads, it is easy to close the end of the pipe and easy to disassemble.
  • Wide Application: Our pipe caps are widely used in faucets, irrigation, underground sprinkler systems and other occasions.
No. 9
Gisafai 6 Pcs Brass Flare Pipe Cap Set Compression Stop Valve Sae 45 Degree & Gas Line Cap Flared Tube Fittings(Fittings for 1/4" 5/16" 3/8" 1/2" 5/8" 3/4" OD)
  • What You Will Get: the package comes with 6 pieces of brass fittings in 6 different sizes, namely 1/4", 5/16", 3/8", 1/2", 5/8", 3/4", you can get 6 flared fittings in total, offering different sizes to meet your diverse needs
  • Nice Combination: the gas line cap set has a nice combination of diverse sizes of flare fittings, which can provide a strong connection to your pipe, which will make your job done in an easy and right way
  • Easy to Use: you can use the flare cap fitting in need easily, just choose the appropriate size of the connector to use and end or close the pipe end, tighten it with a wrench to ensure it is firm, convenient to use
  • Sturdy Material: each cap for gas line is made of quality brass material, sturdy and reliable, as brass has high strength and corrosion resistance, long life and good performance; And the cap plays an important role when dealing with high water pressure through pipes
  • Various Applications: our gas pipe cap can be widely applied for fuel, oil, air, propane, liquid petroleum and natural gas pipe connections, which is ideal for liquid hydraulic applications as well as domestic use, suitable for indoor, outdoor and wet environments
SaleNo. 10
Hicarer 100 Pcs 3/8 Inch Brass Compression Cap Stop Valve Cap Flare Tube Gas Line cover Pipe Fittings Brass Compression Fitting
  • Sufficient Quantity: you will receive 100 pcs 3/8 compression caps, providing sufficient quantity for you to seek to optimize cost ratio; This large quantity ensures that you are equipped even for larger projects or frequent needs, while also providing a buffer for potential losses or breakages
  • Size Information: the compression caps come in a size of about 3/8 inches, offering a better fit for various applications; This size ensures a snug fit for a wide range of uses, eliminating any room for leaks; Products that are easy to install and remove are desired, as they transform tasks from daunting projects to simple, manageable affairs
  • Brass Material: experience the nice ductility and durability of the brass compression fittings; Made of quality brass material, their longevity even under strenuous usage conditions is a testament to their nice quality and robustness
  • Use with Washers: these compression caps are designed to be applied with washers for seamless functionality; The ease of usage serves as an advantage as you can conveniently execute your repair, installation or maintenance tasks without encountering difficulties; Their user friendliness fosters a conducive work environment whether in professional setups or DIY tasks at home
  • Extensive Usability: with an array of applications, you can use these 3/8 inch caps in a variety of fields, from industrial and manufacturing pieces to some domestic fixes; Their wide usage capability makes them a go to solution for a host of compression fitting needs

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