Top Compression Union Reducers for Fluid Systems

The best Compression Union Reducers includes CDQBWKJGFJ Brass Compression Fittings [5 Pcs], Pysrych 304 Stainless Steel Reducer Union (2pcs), Goldpea Stainless Steel Reducing Union (Pack of 2) and many others as mentioned below.

1

CDQBWKJGFJ Brass Compression Fittings [5 Pcs]

  • Five-piece brass compression fitting set.
  • Ideal for 5/16" tube OD applications.
  • Union reducer connector for versatile use.
  • Easy installation without flaring or soldering.
  • Durable brass construction for long-lasting use.
  • Not suitable for potable water applications.
  • Compatible with copper, aluminum, and plastic tubing.
  • Average Rating out of 5:
  • Price Range: $7.99
  • Size: Brass Tee 1/2" OD,Brass 1/2" x 1/2",Brass 1/2"OD x 1/2 NPT,Brass 1/2"OD x 1/4 NPT,Brass 1/2"OD x 3/8 NPT,Brass Tee 1/4" OD,Brass 1/4" x 1/4",Brass 1/4"OD x 1/4 NPT,Brass Tee 1/4" OD X 1/4" OD X 1/8 MNPT,Brass 1/4"OD x 1/8 NPT,Brass 1/8" x 1/8",Brass 1/8"O
  • Color: Brass
  • Material: Brass
2

Pysrych 304 Stainless Steel Reducer Union (2pcs)

  • Durable 304 stainless steel construction for strength.
  • Reducer union connects different diameter tubes effectively.
  • 1/4" OD and 1/8" OD for versatility.
  • Resistant to corrosion and high temperatures.
  • Ideal for oil, water, and gas applications.
  • Easy installation and disconnection of tubes.
  • Designed for reliable performance under pressure.
  • Average Rating out of 5:
  • Price Range: $11.99
  • Size: ‎1/4" x 1/8"
  • Material: Stainless Steel, Brass
3

Goldpea Stainless Steel Reducing Union (Pack of 2)

  • High-quality stainless steel 304 construction.
  • Reduces leakage with inner ferrule fitting.
  • Pack of 2 for convenient installation.
  • Compatible with water, oil, and air.
  • Nominal pressure rating of 16Mpa/2900psi.
  • Max temperature tolerance of 450℃/842℉.
  • Ideal for various tube connections.
  • Average Rating out of 5:
  • Price Range: $14.99
  • Material: Stainless Steel
4

Metabo HPT Brass Reducer 3/8" to 1/4"

  • Durable brass construction for long-lasting performance.
  • 3/8" NPT female to 1/4" NPT male reducer.
  • Compatible with various plumbing and air tools.
  • Easy installation for quick setup and use.
  • Resistant to corrosion and wear over time.
  • Guaranteed 30-day warranty for peace of mind.
  • Professional-grade quality for reliable performance.
  • Average Rating out of 5:
  • Price Range: $4.55
  • Color: Brass
  • Material: Brass
5

NC Brass Compression Reducing Union Fitting (2-Pack)

  • Connects different diameter tubes easily.
  • No flaring or soldering required.
  • Constructed from durable brass material.
  • Corrosion-resistant for long-lasting use.
  • Compatible with various tubing materials.
  • Not suitable for potable water applications.
  • Pack includes two fittings for convenience.
  • Average Rating out of 5:
  • Price Range: 0
  • Size: ‎1/4" OD x 5/16" OD
  • Material: Brass
6

Goldpea Stainless Steel Reducing Union (Pack of 2)

  • High-quality stainless steel 304 construction.
  • Reduces leakage with inner ferrule fitting.
  • Connects different tube types easily.
  • Suitable for water, oil, and air.
  • Corrosion-resistant for durability and longevity.
  • Nominal pressure of 16Mpa/2900psi.
  • Max temperature range: 0~450℃/0~842℉.
  • Price Range: $8.99
  • Size: ‎6mmx8mm OD
  • Material: Stainless Steel
7

Allstar Performance AN-10 Female to -8 Male Reducer

  • High-quality AN-10 to -8 male reducer.
  • Durable construction for long-lasting performance.
  • Compact dimensions: 4.05L x 3.85W x 1.1H inches.
  • Lightweight at just 0.085 pounds.
  • Single unit included per package.
  • Ideal for hose pipe fittings applications.
  • Easy installation for hassle-free usage.
  • Price Range: $12.99
  • Material: Aluminum
8

Midland Brass Compression Reducing Union (1/4" x 3/16")

  • Durable brass construction for long-lasting performance.
  • Compression fittings for secure and leak-free connections.
  • Reduces size from 1/4" to 3/16" efficiently.
  • Lightweight at just 0.12 pounds for easy handling.
  • Compact dimensions: 2" L x 2" W x 2" H.
  • Made in the USA for quality assurance.
  • Ideal for plumbing and HVAC applications.
  • Average Rating out of 5:
  • Price Range: $15.85
  • Color: Copper
  • Material: Brass
9

Goldpea Stainless Steel Reducing Tee Fitting

  • High-quality stainless steel 304 construction.
  • Corrosion-resistant and durable material.
  • Reducing tee fitting for versatile connections.
  • Suitable for water, oil, and air.
  • Inner ferrule design minimizes leakage risk.
  • Maximum pressure rating of 2900psi.
  • Temperature range: 0~450℃ (0~842℉).
  • Price Range: $11.99
  • Material: Stainless Steel
10

Generic Brass Reducing Tee (3/8" x 1/4" x 1/4")

  • High-quality forged brass construction.
  • Three compression connections: 3/8 in, 1/4 in, 1/4 in.
  • Durable for copper, aluminum, thermoplastic tubing.
  • Withstands 200 psi pressure ratings.
  • Temperature range: -65 to 250 degrees Fahrenheit.
  • Compact design with 1/2 in body size.
  • Lightweight at only 0.120 lb.
  • Price Range: 0
  • Size: ‎3/8 x 1/4 x 1/4 REDUCNG COMP TEE
  • Material: Brass
11

Parker Hannifin [P10UC6] Polypropylene Reducer Union

  • Durable black polypropylene construction for longevity.
  • Reducer union connects different tube sizes efficiently.
  • 5/8" nominal tube OD to 3/8" nominal tube OD.
  • Ideal for mechanical component applications.
  • Compact size for easy installation in tight spaces.
  • Country of origin: United States.
  • Single unit package for convenience.
  • Average Rating out of 5:
  • Price Range: $11.86
  • Color: Black
  • Material: Polypropylene
12

Parker Union Reducer, 7/8" Flare (Pack of 10)

  • Durable brass construction for long-lasting use.
  • Designed for 7/8"-14" flare connections.
  • Pack of 10 for convenience and savings.
  • Made in the USA by trusted Parker brand.
  • Compact dimensions for easy storage and handling.
  • Ideal for plumbing and HVAC applications.
  • Ensures reliable and leak-free connections.
  • Price Range: $88.83
  • Material: Brass
13

Goldpea Stainless Steel Reducing Tee Fitting [1pc]

  • High-quality stainless steel 304 material.
  • Corrosion-resistant and durable construction.
  • Reducing tee design for versatile connections.
  • Suitable for water, oil, and air applications.
  • Inner ferrule fitting minimizes leakage risks.
  • Nominal pressure rating of 16Mpa/2900psi.
  • Max temperature tolerance of 450℃/842℉.
  • Price Range: $9.69
  • Size: ‎6mmx4mmx6mm OD
  • Material: Stainless Steel
14

Midland Brass Reducing Union 5/16" x 1/4"

  • High-quality brass construction for durability.
  • Reducing union connects different pipe sizes.
  • Measures 5/16" x 1/4" for versatility.
  • Lightweight design for easy installation.
  • Ideal for plumbing and HVAC applications.
  • Country of origin: United States.
  • Single unit count packaging for convenience.
  • Average Rating out of 5:
  • Price Range: $14.85
  • Color: Copper
  • Material: Brass
15

RWRAPS Dual Shaft DC Micro Motor (12V 7RPM)

  • All-metal gears for durability and strength.
  • High-temperature resistance for extended motor life.
  • Pure copper wire core for improved efficiency.
  • D-shaped output shaft enhances impact resistance.
  • Reversible motor rotation for versatile applications.
  • Low noise operation for quieter environments.
  • High torque performance for demanding tasks.
  • Price Range: $46.97
  • Color: Single Motor
16

Allstar Performance AN-8 to AN-6 Reducer

  • High-quality AN-8 to AN-6 reducer fitting.
  • Durable construction for long-lasting performance.
  • Lightweight design at only 0.06 pounds.
  • Compact dimensions: 4.5L x 4.05W x 0.95H inches.
  • Easy to install for quick connections.
  • Ideal for hose pipe fitting applications.
  • Compatible with various automotive setups.
  • Price Range: $11.99
  • Material: Aluminum
17

Midland FSO2406-10-6 ORFS Reducer Connector

  • High-quality steel construction for durability.
  • Female ORFS to Male ORFS reducer design.
  • 1-14" female face seal for secure connection.
  • 11/16-16" male face seal ensures leak-free operation.
  • Compatible with Type A and Type B grooves.
  • Facilitates easy installation in hydraulic systems.
  • Designed for optimal hydraulic fluid flow.
  • Price Range: $42.35
  • Color: Steel
  • Material: Steel
18

Midland 10-122 Brass 45° Flare Union

  • Durable brass construction for long-lasting use.
  • Designed for 45° flare connections.
  • Compatible with various hydraulic tubing materials.
  • Excellent vibration resistance with long nut application.
  • High-temperature resistance up to 2500°F.
  • Precise dimensions with +/- .03 tolerance.
  • Ideal for professional plumbing and hydraulic applications.
  • Price Range: $16.99
  • Color: Copper
  • Material: Brass