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Union Straight

316 Stainless Straight Unions for Joining Pneumatic Tubes

This union straight stainless-steel push-in fitting is designed to join two compatible pneumatic tubes in a straight removable connection. It is part of the metric-size 316 stainless fitting range for industrial and washdown pneumatic applications.

The source specification lists electropolished 316 stainless steel for the body, release collar and grip collet, together with an FKM sealing ring and a maximum pressure of 290 psi.

Download Stainless Steel Fittings Datasheet

Product Construction

  • Body: 316 stainless steel
  • Release collar: 316 stainless steel
  • Grip collet: 316 stainless steel
  • Seal ring: FKM fluoroelastomer
  • Surface: Electropolished
  • Maximum pressure: 290 psi

Key Benefits

  • 316 stainless-steel construction
  • Electropolished finish
  • FKM sealing ring
  • Push-to-connect tube installation
  • Suitable for washdown and corrosion-resistant applications
  • Designed for metric-size pneumatic tubing

Common Applications

  • Food and beverage machinery
  • Washdown automation
  • Packaging equipment
  • Clean-process machinery
  • OEM pneumatic systems
  • Corrosive industrial environments

Frequently Asked Questions

What is this union straight used for?

It is used to join two compatible pneumatic tubes in a straight removable connection.

What material is the fitting made from?

The source description lists 316 stainless steel for the body, release collar and grip collet.

What seal material is used?

FKM fluoroelastomer.

Is the fitting electropolished?

Yes.

What maximum pressure is listed?

290 psi.

What tube family does this category use?

This row is part of the metric-size stainless-steel push-in fitting range.

Why choose stainless steel for pneumatic fittings?

It provides strong corrosion resistance and is useful in washdown and clean industrial environments.

How do I choose the correct fitting?

Confirm tube outside diameter, thread type, connection geometry, pressure, temperature and environmental requirements.

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