Top Compression Cap Connectors for Tubing

The best Compression Cap Fittings includes Generic Brass Compression Valve Cap (10-Pack), NIBCO [C447 005] 1/2" Slip Cap, Generic Brass 3/8" Compression Cap Fitting (25 Pack) and many others as mentioned below.

1

Generic Brass Compression Valve Cap (10-Pack)

  • Pack of 10 brass compression valve caps.
  • Includes 10 sealing rubber gasket washers.
  • Compatible with 3/8'' compression supply lines.
  • Ideal for various plumbing applications.
  • Designed for easy, leak-proof installation.
  • Constructed from durable, long-lasting brass.
  • Not suitable for 3/8'' NPT thread fittings.
  • Average Rating out of 5:
  • Price Range: $15.59
  • Color: Brass
  • Material: Brass Cap, Rubber Washer
2

NIBCO [C447 005] 1/2" Slip Cap

  • Cap closes pipe ends securely.
  • Slip opening connects to unthreaded pipes.
  • PVC material offers corrosion resistance.
  • High strength, lightweight design compared to metal.
  • Smooth interior reduces friction and buildup.
  • Meets ASTM D2466 and D1784 standards.
  • Ideal for plumbing and irrigation applications.
  • Average Rating out of 5:
  • Price Range: $1.09
  • Color: White
  • Material: PVC
3

Generic Brass 3/8" Compression Cap Fitting (25 Pack)

  • 25-pack of brass compression cap fittings.
  • Includes 25 sealing rubber gasket washers.
  • Compatible with 3/8'' compression supply lines.
  • Perfect for faucet and valve plumbing repairs.
  • Ensures secure, leak-proof installation.
  • Durable brass construction for long-lasting use.
  • Not suitable for 3/8'' NPT threads.
  • Price Range: $27.99
  • Color: Gold/Black
  • Material: Brass Cap, Rubber Washer
4

Generic Brass 1/4'' Compression Valve Caps (15 Pack)

  • Pack of 15 brass compression valve caps.
  • Includes 15 sealing rubber gaskets.
  • Compatible with 1/4'' compression supply lines.
  • Ideal for plumbing repairs and installations.
  • Leak-proof fit ensures reliable performance.
  • Durable brass construction for longevity.
  • Not suitable for 1/4'' NPT threads.
  • Price Range: $15.99
  • Color: Brass
  • Material: Brass Cap, Rubber Washer
5

Japtend 3/8" Brass Compression Caps (40pcs)

  • 40pcs brass compression caps included.
  • Designed for 3/8" pipe outer diameter.
  • Durable brass material resists corrosion.
  • Smooth surface and attractive golden finish.
  • Easy threaded connections without special tools.
  • Versatile for gas, water, and air lines.
  • Prompt customer support for inquiries available.
  • Average Rating out of 5:
  • Price Range: $20.99
  • Material: Brass
6

NIBCO 1/2" PVC Schedule 40 Cap Fitting

  • Durable PVC construction for long-lasting use.
  • 1/2" size fits standard plumbing needs.
  • Schedule 40 rating for reliable performance.
  • Not for use with compressed air or gases.
  • Meets ASTM D2466 and D1784 standards.
  • NSF/ANSI/CAN-61 certified for drinking water safety.
  • UL Listed for enhanced safety compliance.
  • Average Rating out of 5:
  • Price Range: $0.79
  • Size: ‎1 Count (Pack of 1),‎0.5 inch
  • Material: Polyvinyl Chloride
7

Anderson Metals Brass Cap Fitting, 3/16" OD

  • Durable brass construction for long-lasting use.
  • Designed for 3/16" outer diameter tubing.
  • Easy to disassemble and reassemble multiple times.
  • Resists mechanical pull-out for secure fittings.
  • Standard fittings feature short nuts for convenience.
  • Not suitable for potable water applications.
  • Two-piece design for enhanced reliability and performance.
  • Average Rating out of 5:
  • Price Range: $8.81
  • Color: Brass
  • Material: Brass
8

Lakesstory [2 pcs] 1-1/2" PVC Female Pipe Caps

  • Made in the USA for quality assurance.
  • 100% recyclable PVC for eco-friendly use.
  • Durable materials ensure long-lasting performance.
  • Ideal for home, RV, and commercial plumbing.
  • Easily caps off running water lines.
  • No professional skills needed for installation.
  • Complies with strict ASTM quality guidelines.
  • Average Rating out of 5:
  • Price Range: $11.35
  • Size: 1 inch plastic cap,1-1/2 inch plastic cap,1-1/4 inch plastic cap,1/2 inch plastic cap,1/2in PVC coupling socket x socket,2 pcs-1 inch plastic cap,2 pcs-1-1/2 inch plastic cap,2 pcs-1-1/4 inch plastic cap,3/4 in PVC cross socket x socket x socke...,3/4 inc
  • Color: White
  • Material: Plastic,Pvc
9

Anderson Metals Brass Cap Fitting [54040]

  • Durable two-piece construction: nut and body.
  • Compatible with standard brass tubing fittings.
  • Short nuts for easy installation and removal.
  • Resists mechanical pullout for secure connections.
  • Reusable design allows multiple disassemblies.
  • Not for potable water use in the U.S.A.
  • Lead content complies with federal regulations.
  • Average Rating out of 5:
  • Price Range: $6.51
  • Color: Brass
  • Material: Brass
10

ZLYY 1/2" Brass Cap Stop Valve (5PCS)

  • High-quality brass for durability and reliability.
  • 1/2 inch size fits standard plumbing needs.
  • 5 pieces included for multiple applications.
  • G1/2 female threads ensure secure connections.
  • Corrosion resistant for long-lasting performance.
  • Hex compression design for easy installation.
  • Perfect for closing pipe ends effectively.
  • Average Rating out of 5:
  • Price Range: $11.99
  • Color: Copper
  • Material: Brass
11

Kegco Jockey Box Compression Fittings Set (JB14FITSET)

  • Includes two grommets, ferrules, and hex nuts.
  • Connects couplers and shanks to 1/4 inch.
  • Grommets have 1/4" i.D. and 11/16" o.D.
  • Ferrules feature 1/4" i.D. and 3/4" o.D.
  • Hex nuts conform to U.S. beer industry standards.
  • Durable construction for reliable beer dispensing.
  • Easy to install and maintain for convenience.
  • Average Rating out of 5:
  • Price Range: $15.61
  • Color: Chrome
  • Material: Stainless Steel
12

Tube Pro Extra Cap [Model X100]

  • Fits standard Boston valves for seamless compatibility.
  • Prevents leaks with a secure, airtight seal.
  • Made from durable, high-quality rugged plastic.
  • Withstands sun, water, and heavy use.
  • Twist-on/twist-off design for easy installation.
  • Ideal replacement for tubing outfitters and rentals.
  • Reliable spare cap for individual users.
  • Average Rating out of 5:
  • Price Range: $14.99
  • Size: ‎Medium
  • Material: Vinyl, Polyvinyl Chloride
13

Generic Brass 3/8'' Compression Angle Stop Valve

  • Durable brass construction for long-lasting use.
  • 30 pieces included for multiple applications.
  • 3/8'' compression fitting for versatile connections.
  • Ideal for bathroom, kitchen, and appliances.
  • Corrosion-resistant design ensures reliability.
  • Compatible with air, water, and gas systems.
  • Easy installation for quick setups.
  • Average Rating out of 5:
  • Price Range: $20.99
  • Color: Nickel White Color
  • Material: Brass
14

SEIWEI 16mm Brass Compression Cap (2 Pieces)

  • Durable brass construction, wear and corrosion-resistant.
  • Explosion-proof and crack-proof for safety.
  • Thickened nut design prevents bursting under pressure.
  • Good sealing with elongated threads, minimizes leaks.
  • Suitable for various applications, including water pumps.
  • Operates safely up to 10 bar pressure.
  • Temperature range from -20°C to +120°C.
  • Price Range: $8.19
  • Size: ‎0.375 inch
  • Material: Brass
15

Lakesstory 1/2" Male Brass Pipe Cap

  • Reliable sealing with well-machined threads.
  • Corrosion-resistant for long-lasting use.
  • Compatible with various pipes and fittings.
  • Easy installation with no leaks.
  • Durable brass construction prevents deformation.
  • Suitable for water and oil applications.
  • Ideal for plumbing and pipe plugging needs.
  • Average Rating out of 5:
  • Price Range: 0
  • Color: Copper
  • Material: Brass
16

PATIKIL (60Pcs) Brass Compression Cap Valves

  • High-quality brass for durability and corrosion resistance.
  • Compatible with 1/4 inch OD tubing.
  • Precision threads prevent leaks and ensure stability.
  • Hexagon design for easy installation and removal.
  • Ideal for air, gas, water, and oil connections.
  • Comes in a pack of 60 for multiple uses.
  • Perfect for appliances like air conditioners and heaters.
  • Average Rating out of 5:
  • Price Range: $31.09
  • Size: ‎0.25 Inch
  • Material: Brass
17

Parker A-Lok Brass Cap Fitting [4BLP4-B]

  • Cap for sealing the end of tubing.
  • Brass construction ensures corrosion resistance.
  • Designed for high-temperature applications.
  • Compatible with copper tubing connections.
  • Twin ferrule design prevents leaks.
  • Ideal for high-pressure environments.
  • Easy installation and secure fitting.
  • Average Rating out of 5:
  • Price Range: $12.13
  • Color: Brass
  • Material: Brass
18

Midland Brass Hose Cap with Chain (3/4")

  • Durable brass construction for long-lasting use.
  • Includes a chain for convenient attachment.
  • Fits standard 3/4" garden hoses.
  • Prevents leaks and water loss effectively.
  • Compact size for easy storage and transport.
  • Made in the USA for quality assurance.
  • Lightweight design, only 0.031 kilograms.
  • Average Rating out of 5:
  • Price Range: $9.50
  • Color: Brass
  • Material: Brass
19

Joywayus Brass Pipe Caps with Gaskets (6-Pack)

  • Durable brass construction for long-lasting use.
  • 1/2" NPS female threads for easy installation.
  • Includes rubber gaskets for leak prevention.
  • Hex head design for secure wrench grip.
  • Corrosion-resistant material for high-temperature applications.
  • Versatile for air, water, oil, and gas connections.
  • Well-machined threads ensure tight sealing and reliability.
  • Average Rating out of 5:
  • Price Range: $12.99
  • Color: Brass
  • Material: Brass
20

JMF 5/16" Brass Compression Cap 400 Psi

  • Durable yellow brass construction for longevity.
  • 5/16" compression cap fits standard pipes.
  • Rated for 400 PSI pressure applications.
  • Lead-free for safe drinking water use.
  • Easy installation with compression fittings.
  • Corrosion-resistant for reliable performance.
  • Ideal for plumbing and HVAC systems.
  • Average Rating out of 5:
  • Price Range: $9.98
  • Size: ‎One Size
21

Midland Bronze Fitting Cap [44-474]

  • Lead-free bronze fitting cap for safe use.
  • Complies with ANSI/NSF 61-4 standards.
  • Approved for California AB 1953 regulations.
  • Meets federal and state drinking water requirements.
  • Durable brass fittings conform to AWWA C800.
  • Dimensions follow ASME B16.15 specifications.
  • Compact size: 0.87" height, 3/4" fitting.
  • Average Rating out of 5:
  • Price Range: $7.00
  • Color: Bronze,Brass
  • Material: Bronze
22

FUATY Brass Pipe End Caps (10 Pack)

  • High-quality solid brass construction for durability.
  • 1/2" NPT female pipe fitting for versatile use.
  • Includes rubber gaskets for secure, leak-proof sealing.
  • Easy installation with standard tools like wrenches.
  • Ideal for plumbing, irrigation, and pool applications.
  • Pack includes 10 caps and 10 rubber gaskets.
  • Check dimensions for compatibility before purchasing.
  • Price Range: $17.99
  • Size: ‎1/2 NPT(ID: 3/4")
  • Material: Brass