Welcome to our Technical Information Page

Please view PDF links below to industry relevant charts that you may find useful. We are working on creating more Technical information for inclusion on this page. Please let us know if there is something in particular you’d like to see.


Hose Safety and Selection (STAMPED)

Pressure Conversion Chart

Thread Types and Abbreviations

Flange Specification Table

Couplers Screwed Part Number Guide


  • The information contained within this website and catalogue is for general information purposes only. It is not intended to be a technical resource and information provided is subject to change at any time without notice.
  • Although Couplers Pty Ltd makes all reasonable efforts to ensure that the information contained within our website and catalogue is accurate and current, Couplers Pty Ltd makes no guarantee or warranties of any kind about the accuracy, reliability or completeness of information provided. It is solely the responsibility of the purchaser to select products suitable for their specific application requirements and to ensure proper installation, operation and maintenance of these products.
  • All hose assemblies should be treated with respect as potential hazards and must only be used for their intended purpose. Worn out fittings should be replaced, safety retaining devices such as clips, chains or cables should be used and clamps should be checked/re-tightened regularly. Couplers Pty Ltd does not accept any responsibility or liability for incorrect selection, incorrect use or failure to perform maintenance on supplied products. When in doubt we are here to help you with a recommendation.
  • A full copy of our Terms & Conditions is available on request.