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Couplers and Connectors

Quick-Disconnect Couplers for Fast Pneumatic Hose and Tool Changes

Quickly changing or connecting pneumatic air lines is a basic function in most pneumatic systems. PneumaticHub supplies this coupler and connector family for fast, serviceable hose and equipment connections.

Interchange style is critical with quick-disconnect systems. Match the coupler and plug profile, body size, thread, flow requirement, pressure and media before connecting components from different series.

Download Coupler & Connector Datasheet

Key Features

  • Fast connection and disconnection
  • Supports hose and tool changes
  • Available in application-specific interchange styles
  • Helps reduce downtime during maintenance
  • Designed for repeated industrial connection cycles

Common Applications

  • Pneumatic air tools
  • Assembly workstations
  • Maintenance shops
  • OEM machinery
  • Automotive service
  • General compressed air systems

Frequently Asked Questions

What is a quick-disconnect coupler?

It is a reusable connection that allows a hose or tool to be connected and disconnected without unthreading the fitting.

What does interchange style mean?

It describes the plug and coupler profile. Matching the correct interchange is essential for proper connection and sealing.

Can different interchange styles be connected?

Not normally. Universal couplers are designed to accept multiple specified plug profiles, but standard couplers should be matched to their intended interchange.

How do I choose the correct body size?

Select body size and port size based on required flow, tool demand and hose diameter.

Do quick couplers cause pressure drop?

Yes. Internal passages and valving create some restriction, so high-flow applications should use an appropriately sized coupler.

What materials are available?

Material depends on the series and may include brass, steel or composite bodies.

When should a coupler be replaced?

Replace it if it leaks, will not lock securely, has damaged seals or shows excessive wear.

How do I select the correct coupler?

Confirm interchange, body size, thread, flow, pressure, media and environmental conditions.

PFX4050GS15XS
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Flexeel Max, 1/4” ID x 50’, 1/4” IndustrialUPC Code 029292532488What is the difference betw..
Ships from East Brunswick, NJ
3-4 Weeks
$118.00 $106.20
PFX4050GS16XS
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Flexeel Max, 1/4” ID x 50’, 1/4” AutomotiveUPC Code 029292532686What is the difference betw..
Ships from East Brunswick, NJ
3-4 Weeks
$118.00 $106.20
PFX4100GS15XS
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Flexeel Max, 1/4” ID x 100’, 1/4” IndustrialUPC Code 029292532495What is the difference bet..
Ships from East Brunswick, NJ
3-4 Weeks
$170.15 $153.14
PFX4100GS16XS
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Flexeel Max, 1/4” ID x 100’, 1/4” AutomotiveUPC Code 029292532693What is the difference bet..
Ships from East Brunswick, NJ
3-4 Weeks
$170.15 $153.14
PFX5050GS15XS
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Flexeel Max, 5/16” ID x 50’, 1/4” IndustrialUPC Code 029292532501What is the difference bet..
Ships from East Brunswick, NJ
3-4 Weeks
$134.96 $121.46
PFX5050GS16XS
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Flexeel Max, 5/16” ID x 50’, 1/4” AutomotiveUPC Code 029292532709What is the difference bet..
Ships from East Brunswick, NJ
3-4 Weeks
$134.96 $121.46
PFX5100GS15XS
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Flexeel Max, 5/16” ID x 100’, 1/4” IndustrialUPC Code 029292532518What is the difference be..
Ships from East Brunswick, NJ
3-4 Weeks
$207.66 $186.89
PFX5100GS16XS
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Flexeel Max, 5/16” ID x 100’, 1/4” AutomotiveUPC Code 029292532716What is the difference be..
Ships from East Brunswick, NJ
3-4 Weeks
$207.66 $186.89
PFX6025GS16XS
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Flexeel Max, 3/8” ID x 25’, 1/4” AutomotiveUPC Code 029292109857What is the difference betw..
Ships from East Brunswick, NJ
3-4 Weeks
$121.02 $108.92
PFX6050GS15XS
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Flexeel Max, 3/8” ID x 50’, 1/4” IndustrialUPC Code 029292532525What is the difference betw..
Ships from East Brunswick, NJ
3-4 Weeks
$156.95 $141.26
PFX6050GS16XS
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Flexeel Max, 3/8” ID x 50’, 1/4” AutomotiveUPC Code 029292532723What is the difference betw..
Ships from East Brunswick, NJ
3-4 Weeks
$156.95 $141.26
PFX6100GS15XS
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Flexeel Max, 3/8” ID x 100’, 1/4” IndustrialUPC Code 029292532532What is the difference bet..
Ships from East Brunswick, NJ
3-4 Weeks
$255.37 $229.83
PFX6100GS16XS
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Flexeel Max, 3/8” ID x 100’, 1/4” AutomotiveUPC Code 029292532730What is the difference bet..
Ships from East Brunswick, NJ
3-4 Weeks
$255.37 $229.83
PFX4-1502SR
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose 1/4” ID Flexeel Max End, 1/4” Industrial Safety PlugUPC Code 029292102155FLEXEEL® Reinforce..
Ships from East Brunswick, NJ
3-4 Weeks
$39.11 $35.20
PFX5-1402SR
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Flexeel Max 5/16” Safety Plug End, 1/4” AROUPC Code 029292103657What is the difference betw..
Ships from East Brunswick, NJ
3-4 Weeks
$45.90 $41.31
PFX5-1502SR
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose 5/16” ID Flexeel Max End, 1/4” Industrial Safety PlugUPC Code 029292102162FLEXEEL® Reinforc..
Ships from East Brunswick, NJ
3-4 Weeks
$40.82 $36.74
PFX6-1402SR
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Flexeel Max 3/8” Safety Plug End, 1/4” AROUPC Code 029292103671What is the difference betwe..
Ships from East Brunswick, NJ
3-4 Weeks
$47.51 $42.76
PFX6-1502SR
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose 3/8” ID Flexeel Max End, 1/4” Industrial Safety PlugUPC Code 029292102179What is the differ..
Ships from East Brunswick, NJ
3-4 Weeks
$42.42 $38.18
PFX4-15X
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose 1/4” ID Flexeel Max End, 1/4” Industrial CouplerUPC Code 029292102124FLEXEEL® Reinforced Po..
Ships from East Brunswick, NJ
3-4 Weeks
$39.11 $35.20
PFX5-14X
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Flexeel Max 5/16” Coupler End, 1/4” AROUPC Code 029292103640What is the difference between ..
Ships from East Brunswick, NJ
3-4 Weeks
$44.63 $40.17
PFX5-15X
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose 5/16” ID Flexeel Max End, 1/4” Industrial CouplerUPC Code 029292102131What is the differenc..
Ships from East Brunswick, NJ
3-4 Weeks
$40.82 $36.74
PFX6-14X
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Flexeel Max 3/8” Coupler end, 1/4” AROUPC Code 029292103664What is the difference between t..
Ships from East Brunswick, NJ
3-4 Weeks
$46.18 $41.56
PFX6-15X
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose 3/8” ID Flexeel Max End, 1/4” Industrial CouplerUPC Code 029292102148What is the difference..
Ships from East Brunswick, NJ
3-4 Weeks
$42.42 $38.18
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