Treloar Products

We specialise in engineering and supplying reliable critical fluid transfer equipment for tank trucks, service stations, terminals, depots, gas production plants and more.

Click on the product category or search for the product you are after and view the products below.


  • Tank Truck Equipment
  • Service Station Equipment
  • Nozzles & Dispensing Equipment
  • Terminal & Depot Equipment
  • Fluid Transfer Fittings
  • Valve Products
  • Projects

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The 502SG & 404SG sight flanges are bolted
(sandwiched) behind the API adaptors to show product present & its colour to confirm product identification.


• Clear and polished material.
• Available in TTMA & 150lb drilling.
• Available in various thicknesses.


502SG-100-20 = sight glass 100mm TTMA 20thk
502SG-100-25 = sight glass 100mm TTMA 25thk
502SG-100-40 = sight glass 100mm TTMA 40thk
404SG-50-40 = sight glass 50mm ANSI150 40thk
404SG-80-40 = sight glass 80mm ANSI150 40thk
404SG-100-20 = sight glass 100mm ANSI150 20thk
404SG-100-40 = sight glass 100mm ANSI150 40thk

Latest news

Jun 20, 2022
A nitric acid transfer solution for Malindra Group
We often get called in by customers who are using a product that hasn’t been working for them. There’s nothing more we love than problem-solving and finding a solution that works!  

Jun 02, 2022
Problem-solving for the Koppers Australia - Newcastle Plant
The team at the Koppers Australia - Newcastle Plant recently approached us with a tricky challenge. They advised they have a need to load and unload ships with products that are quite difficult to deal with without damaging the ship loading hoses and spilling product. 

May 04, 2022
Unique design solution to onsite mining challenge
Treloar was recently approached by engineering firm, Aspec, to come up with a structural solution for BHP for an onsite mining challenge.

Apr 04, 2022
Progress Update: Wesfarmers-CSBP liquid ammonia loading arms
In December 2021 we shared our initial case study on our project for Wesfarmers-CSBP who had successfully been using a Treloar solution for their liquid ammonia transfer system since 1998. In 2021 Wesfarmers approached Treloar with a need for emergency breakaways, which led to a plan to address ...

Dec 08, 2021
Case Study: Wesfarmers-CSBP liquid ammonia loading arms
Wesfarmers-CSBP has been using a Treloar solution for their liquid ammonia transfer system since it was originally installed in 1998 when Treloar worked with an international supplier to deliver many cutting edge projects and introduce new technologies to Australia. In this case, it was for Ammonia ...