Pneumatic Fittings

Pneumatic fittings are essential components used to connect and secure pneumatic systems, enabling the efficient transfer and control of compressed air. These fittings provide a leak-free and reliable connection be...

Categories in Fittings - Reliable and Leak-Free Connections (3)
Push-Connect Fittings
Push-Connect Fittings

Push-connect fittings for pneumatics are versatile, easy-to-use components designed for quick and secure connections in pneumatic systems. These fittings allow for the rapid assembly and disassembly of tubing without needing tools, making them ideal for applications requiring frequent maintenance or modifications. The tubing is securely locked into place with a simple push, ensuring a leak-proof connection. Push-connect fittings are available in various materials, such as brass, stainless steel, and engineered plastics, to accommodate different pressures, temperatures, and environmental conditions. Their convenience and reliability make them a popular choice in industries ranging from automation to medical devices. Browse our selection below. If you need assistance, contact us to speak with a product expert to help you make your selection for your application.

Quick Connect Fittings
Quick Connect Fittings

Quick-connect fittings are designed for fast and effortless connections between hoses, tubes, or pipelines without the need for tools. These fittings feature a simple push-to-connect mechanism, allowing for rapid assembly and disassembly, making them ideal for applications where speed and efficiency are crucial. Quick-connect fittings provide a secure, leak-proof connection, often incorporating a locking mechanism that prevents accidental disconnection. They are available in various materials, such as brass, stainless steel, and plastics, to suit different pressures, temperatures, and fluid types. Browse our selection below. For expert advice or assistance in selecting the right quick-connect fittings for your application, contact Centro to speak with a product expert.

Flow Control Fittings
Flow Control Fittings

Flow control fittings for pneumatics regulate the speed and direction of airflow in pneumatic systems, providing smooth and efficient operation of actuators like cylinders and valves. These fittings, often featuring adjustable throttling valves or components, allow precise air flow control to match specific application needs. Available in various configurations such as inline, elbow, and manifold styles, they are made from durable materials like brass, stainless steel, or plastics, making them essential for optimizing system performance and extending the lifespan of pneumatic components. Browse our selection of flow control fittings below. If you need assistance, contact us to speak to a product expert willing to help you with your selection.

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The Aignep 51420-3/8 is a Compression Straight w/ Hex NPTF. It is commonly found in food and beverage, automotive, and pneumatic systems applications. Aignep products are trusted by engineers and specifiers worldwide.

$6.08$6.60

You save 8%
Available for Purchase

Subject to factory lead times

Part number 51420-M12X1.5 from Aignep is a Compression Straight w/ Hex NPTF. Typical applications span food and beverage, compressed air, and pneumatic systems environments. As a leader in pneumatic fittings, connectors, and fluid handling, Aignep manufactures every component to exacting standards. It is designed to comply with applicable ISO 9001 requirements.
Requires Quote
Available for Purchase

Subject to factory lead times

The 51430-1/2 from Aignep is a Compression Straight Female NPTF. It is commonly found in compressed air, automotive, and automation applications. Aignep products are trusted by engineers and specifiers worldwide. This product meets relevant ISO 9001 standards.

$12.81$13.92

You save 8%
Available for Purchase

Subject to factory lead times

The Aignep 51430-1/4 is a Compression Straight Female NPTF. It is commonly found in pneumatic systems, food and beverage, and compressed air applications. Aignep is recognized globally for engineering products that meet strict performance standards. This product meets relevant ISO 9001 standards.

$5.36$5.82

You save 8%
Available for Purchase

Subject to factory lead times

Part number 51430-1/8 from Aignep is a Compression Straight Female NPTF. This product serves professionals across compressed air, automotive, and food and beverage sectors. As a leader in pneumatic fittings, connectors, and fluid handling, Aignep manufactures every component to exacting standards.

$4.09$4.44

You save 8%
Available for Purchase

Subject to factory lead times

Engineered by Aignep, the 51430-3/8 is a Compression Straight Female NPTF. It is commonly found in pneumatic systems, medical devices, and food and beverage applications. Aignep products are trusted by engineers and specifiers worldwide.

$7.11$7.72

You save 8%
Available for Purchase

Subject to factory lead times

The Aignep 51440-1/4 is a Compression Union NPTF. Typical applications span compressed air, automotive, and automation environments. As a leader in pneumatic fittings, connectors, and fluid handling, Aignep manufactures every component to exacting standards. It is designed to comply with applicable ISO 9001 requirements.

$5.87$6.38

You save 8%
Available for Purchase

Subject to factory lead times

The Aignep 51440-1/8 is a Compression Union NPTF. It is commonly found in food and beverage, pneumatic systems, and compressed air applications. Aignep is recognized globally for engineering products that meet strict performance standards.

$3.28$3.56

You save 8%
Available for Purchase

Subject to factory lead times

The 51440-3/8 from Aignep is a Compression Union NPTF. This product serves professionals across medical devices, automation, and compressed air sectors. Backed by Aignep's commitment to quality, the 51440-3/8 is built to perform under real-world conditions. This product meets relevant ISO 9001 standards.
Requires Quote
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 10mm Tube, Glass Filled Nylon

$2.32$2.52

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 10mm Tube x 6mm Tube, Glass Filled Nylon

$2.18$2.36

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 10mm Tube x 8mm (5/16") Tube, Glass Filled Nylon

$2.18$2.36

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 12mm Tube, Glass Filled Nylon

$2.91$3.16

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 12mm Tube x 10mm Tube, Glass Filled Nylon

$2.67$2.90

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 12mm Tube x 8mm (5/16") Tube, Glass Filled Nylon

$2.67$2.90

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 14mm Tube, Glass Filled Nylon

$3.17$3.44

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 14mm Tube x 12mm Tube, Glass Filled Nylon

$3.10$3.36

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 16mm Tube, Glass Filled Nylon

$5.69$6.18

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 4mm (5/32") Tube, Glass Filled Nylon

$1.72$1.86

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 6mm Tube, Glass Filled Nylon

$1.79$1.94

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 6mm Tube x 4mm (5/32") Tube, Glass Filled Nylon

$1.79$1.94

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 8mm (5/16") Tube, Glass Filled Nylon

$1.96$2.12

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 8mm (5/16") Tube x 4mm (5/32") Tube, Glass Filled Nylon

$1.90$2.06

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 8mm (5/16") Tube x 6mm Tube, Glass Filled Nylon

$1.90$2.06

You save 8%
Available for Purchase

Subject to factory lead times

The Aignep 51420-3/8 is a Compression Straight w/ Hex NPTF. It is commonly found in food and beverage, automotive, and pneumatic systems applications. Aignep products are trusted by engineers and specifiers worldwide.

$6.08$6.60

You save 8%
Available for Purchase

Subject to factory lead times

Part number 51420-M12X1.5 from Aignep is a Compression Straight w/ Hex NPTF. Typical applications span food and beverage, compressed air, and pneumatic systems environments. As a leader in pneumatic fittings, connectors, and fluid handling, Aignep manufactures every component to exacting standards. It is designed to comply with applicable ISO 9001 requirements.
Requires Quote
Available for Purchase

Subject to factory lead times

The 51430-1/2 from Aignep is a Compression Straight Female NPTF. It is commonly found in compressed air, automotive, and automation applications. Aignep products are trusted by engineers and specifiers worldwide. This product meets relevant ISO 9001 standards.

$12.81$13.92

You save 8%
Available for Purchase

Subject to factory lead times

The Aignep 51430-1/4 is a Compression Straight Female NPTF. It is commonly found in pneumatic systems, food and beverage, and compressed air applications. Aignep is recognized globally for engineering products that meet strict performance standards. This product meets relevant ISO 9001 standards.

$5.36$5.82

You save 8%
Available for Purchase

Subject to factory lead times

Part number 51430-1/8 from Aignep is a Compression Straight Female NPTF. This product serves professionals across compressed air, automotive, and food and beverage sectors. As a leader in pneumatic fittings, connectors, and fluid handling, Aignep manufactures every component to exacting standards.

$4.09$4.44

You save 8%
Available for Purchase

Subject to factory lead times

Engineered by Aignep, the 51430-3/8 is a Compression Straight Female NPTF. It is commonly found in pneumatic systems, medical devices, and food and beverage applications. Aignep products are trusted by engineers and specifiers worldwide.

$7.11$7.72

You save 8%
Available for Purchase

Subject to factory lead times

The Aignep 51440-1/4 is a Compression Union NPTF. Typical applications span compressed air, automotive, and automation environments. As a leader in pneumatic fittings, connectors, and fluid handling, Aignep manufactures every component to exacting standards. It is designed to comply with applicable ISO 9001 requirements.

$5.87$6.38

You save 8%
Available for Purchase

Subject to factory lead times

The Aignep 51440-1/8 is a Compression Union NPTF. It is commonly found in food and beverage, pneumatic systems, and compressed air applications. Aignep is recognized globally for engineering products that meet strict performance standards.

$3.28$3.56

You save 8%
Available for Purchase

Subject to factory lead times

The 51440-3/8 from Aignep is a Compression Union NPTF. This product serves professionals across medical devices, automation, and compressed air sectors. Backed by Aignep's commitment to quality, the 51440-3/8 is built to perform under real-world conditions. This product meets relevant ISO 9001 standards.
Requires Quote
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 10mm Tube, Glass Filled Nylon

$2.32$2.52

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 10mm Tube x 6mm Tube, Glass Filled Nylon

$2.18$2.36

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 10mm Tube x 8mm (5/16") Tube, Glass Filled Nylon

$2.18$2.36

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 12mm Tube, Glass Filled Nylon

$2.91$3.16

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 12mm Tube x 10mm Tube, Glass Filled Nylon

$2.67$2.90

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 12mm Tube x 8mm (5/16") Tube, Glass Filled Nylon

$2.67$2.90

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 14mm Tube, Glass Filled Nylon

$3.17$3.44

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 14mm Tube x 12mm Tube, Glass Filled Nylon

$3.10$3.36

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 16mm Tube, Glass Filled Nylon

$5.69$6.18

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 4mm (5/32") Tube, Glass Filled Nylon

$1.72$1.86

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 6mm Tube, Glass Filled Nylon

$1.79$1.94

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 6mm Tube x 4mm (5/32") Tube, Glass Filled Nylon

$1.79$1.94

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 8mm (5/16") Tube, Glass Filled Nylon

$1.96$2.12

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 8mm (5/16") Tube x 4mm (5/32") Tube, Glass Filled Nylon

$1.90$2.06

You save 8%
Available for Purchase

Subject to factory lead times

Straight Push-Connect Union Fitting, 8mm (5/16") Tube x 6mm Tube, Glass Filled Nylon

$1.90$2.06

You save 8%
Available for Purchase

Subject to factory lead times