Filling Tools for Industrial Packaged Gas Production

FasTest Compressed Gas Connection Tools offer a “No Twist, No Turn” approach to cylinder filling. Under pressure, a secure, leak-tight seal is established with our patented safety locking mechanism. Gain a competitive advantage through ergonomic efficiency and increased productivity, resulting in greater profitability. With our focus on safety and efficiency, your focus can be on cylinder production.

  • Instant connections to palletized & linear fill racks
  • Multiple handle options tailored to your filling
  • Solutions for common global valve standards

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Ability to Customize Designs

We offer a dedicated engineering team to customize our products to meet your handle and material specifications.



Customer Service

A responsive team to support initial quote through aftermarket support, replacement seals and parts.



Fast Lead Times

Our most popular standards, configurations, and seal kits are stocked and ready to ship within 48 hours.


Connection Tools for Industrial Gas

CGA Connectors

Connectors for CGA 540, 580, 590, 346

QF Connectors for Asia Pacific

Connectors for QF-2, QF-2G

DIN 477 Connectors

Connectors for DIN 477 No. 10

NF Connectors

Connectors for NF Type F and NFC Type C

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Why FasTest for Industrial Gas Filling


Produce More Cylinders

FasTest® Connection Tools enable Fill Plants to improve flow and process more fill cycles per day, generating significant revenue in return.


Reduce Repetitive Motion Injuries

Easy-to-use one hand operation, eliminate the painful twisting motions of standard fittings.


Safely Connect in Seconds

FasTest’s ergonomic tools instantly attach to cylinder valves in a smooth one handed motion. Easily achieve a 90% time savings while securing high pressure fill lines to cylinders.


Safety First

Precision engineered tools provide the highest quality connection and seal for accurate testing.


48 Hour Lead Time

Many products ship within 48 hours to maintain uptime of all fill points.


ROI in Months, Not Years

Connection Tools pay for themselves multiple times over throughout their lifecycle.

Trusted by Industry Leaders

Custom Engineered Solutions

We transform connection tools into tailor-made solutions to fit your exact requirements. Our Team of engineers will work with you to identify and design the optimal Connection Tool for your testing needs. Having difficulty sealing a unique port? Issues with clearance? Work with our dedicated team of Custom Experts to build your perfect solution.

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Related Industries


Industry standard MediMate connectors and sleeve or bail style connection tools for medical compressed gas.

Specialty Gas

Quick connection tools that allow you to fill with efficiency, safety, and high purity level.

Compressed Gas

Cylinder evacuation and filling with the industry's quickest and safest connection tools.

Contact a Compressed Gas Expert

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