# Treloar Trading Pty Ltd\.: Dependable Products, Safe Solutions

> Treloar engineers and supplies fluid transfer equipment, loading arms, swivel joints, valves and custom solutions for petroleum, mining and industrial sectors across Australia\.

Generated by Yoast SEO v28.4, this is an llms.txt file, meant for consumption by LLMs.

## Pages
- [Home](https://treloar.com.au/)
- [Custom Solutions](https://treloar.com.au/custom-solutions/)
- [Custom Engineered Solutions](https://treloar.com.au/custom-solutions/): We specialise in the design and manufacturing of loading arms, folding stairs, floating suctions, loading gantries and skids\.
- [Swivel Joints](https://treloar.com.au/swivels/)
- [Custom Folding Stairs](https://treloar.com.au/custom-folding-stairs/)

## Posts
- [Custom Cyanide Loading Arm Retro\-fitted for a Major Australian Mining and Chemicals Company](https://treloar.com.au/custom-cyanide-loading-arm-retro-fitted-for-a-major-australian-mining-and-chemicals-company/): When a major Australian mining and chemicals company updated its transport fleet, the cyanide loading arm that had served the site for years no longer reached\. Treloar built a new arm to retro\-fit the existing post\. No gantry replacement\. No structural work needed\.

## Products
- [Engineered Dry Break Couplings — ARTA ASK\-C Series](https://treloar.com.au/products/engineered-drybreaks/): \<h2\>Specifications\</h2\>
\<table\>
\<thead\>
\<tr\>
\<th\>Parameter\</th\>
\<th\>Value\</th\>
\</tr\>
\</thead\>
\<tbody\>
\<tr\>
\<td\>Sizes\</td\>
\<td\>DN15 \(½"\) to DN200 \(8"\)\</td\>
\</tr\>
\<tr\>
\<td\>Pressure rating\</td\>
\<td\>PN16 \(232psi\) to PN40 \(580psi\)\</td\>
\</tr\>
\<tr\>
\<td\>Temperature range\</td\>
\<td\>\-55°C \(\-67°F\) to \+200°C \(\+392°F\)\</td\>
\</tr\>
\<tr\>
\<td\>Body material\</td\>
\<td\>Stainless steel 1\.4301 / 1\.4404 / 1\.4571, Hastelloy®\</td\>
\</tr\>
\<tr\>
\<td\>Seals\</td\>
\<td\>PTFE, EPDM, Viton® — other seals on request\</td\>
\</tr\>
\<tr\>
\<td\>Connections\</td\>
\<td\>Thread: NPT, BSP, ISO — Flanges: ANSI, ISO — others on request\</td\>
\</tr\>
\<tr\>
\<td\>Certifications\</td\>
\<td\>2014/68/EU \(PED\), 2014/34/EU \(ATEX\), EN14432, 21 CFR Part 11, USP Code 6\</td\>
\</tr\>
\<tr\>
\<td\>Serviceability\</td\>
\<td\>Fully serviceable — spare kits available\</td\>
\</tr\>
\</tbody\>
\</table\>
\<\!\-\- APPLICATION \-\-\>
\<h2\>Application\</h2\>
The ARTA ASK\-C dry break coupling is designed for the connection and disconnection of hose lines and pipelines under operating pressure, without product loss\. It is used across a wide range of industries where spill\-free, safe fluid transfer is critical:
\<ul\>
 	\<li\>Petroleum and fuel transfer — tanker trucks, terminals, depots, service stations\</li\>
 	\<li\>Chemical transfer — including acids, caustics, solvents and corrosive media\</li\>
 	\<li\>Gas transfer — including LNG, LPG and compressed gases\</li\>
 	\<li\>Food and pharmaceutical — ASK\-FD variant for food\-grade applications\</li\>
 	\<li\>Mining and bulk liquid — bulk chemical and process fluid transfer\</li\>
\</ul\>
The ASK\-C can be uncoupled while a line is still filled, significantly speeding up loading and unloading cycles\. Treloar conducted the first Australian trial of ARTA dry break couplings — read the \<a href="/australian\-first\-trial\-of\-arta\-dry\-breaks/"\>Australian ARTA dry break trial case study\</a\>\.

\<\!\-\- HOW IT WORKS \-\-\>
\<h2\>How the ASK dry break coupling works\</h2\>
The ASK\-C uses a single continuous rotating motion to connect — place the female coupler onto the male adaptor and rotate\. The coupling seals first, then the internal valves open, keeping media safely inside the line throughout the connection process\. No spillage occurs at any point\.

Disconnection reverses the process — valves in both halves close automatically before the coupling separates, preventing product loss\. The male adaptor remains on the system with its valve closed until the next connection\.

\<\!\-\- FEATURES \-\-\>
\<h2\>Key features\</h2\>
\<ul\>
 	\<li\>\<strong\>Spill\-free connection and disconnection\</strong\> — valves close automatically before separation; neither operator nor environment is exposed to the transported product\</li\>
 	\<li\>\<strong\>Under\-pressure coupling\</strong\> — connect and disconnect while the line is under operating pressure or still filled, reducing downtime during loading cycles\</li\>
 	\<li\>\<strong\>Maximum flow\</strong\> — flow\-optimised internal design using finite element method \(FEM\), validated by flow testing; minimises pressure loss\</li\>
 	\<li\>\<strong\>Integrated swivel joint\</strong\> — reduces mechanical stress and prevents torsion in the pipe; low maintenance requirement\</li\>
 	\<li\>\<strong\>ARTA safety pin\</strong\> — prevents unintentional release of the coupling during operation\</li\>
 	\<li\>\<strong\>Mechanical lockout option\</strong\> — prevents accidental coupling to an incompatible connector, eliminating product mix\-up risk\</li\>
 	\<li\>\<strong\>50\+ year proven design\</strong\> — continuously developed with current technology; globally certified\</li\>
 	\<li\>\<strong\>Fully serviceable\</strong\> — spare kits available; not a throw\-away product\</li\>
\</ul\>
\<\!\-\- DRY BREAK COMPARISON TABLE \-\-\>
\<h2\>Dry break coupling options from Treloar\</h2\>
Treloar supplies three dry break coupling ranges to suit different applications and budgets:
\<table\>
\<thead\>
\<tr\>
\<th\>Product\</th\>
\<th\>Best for\</th\>
\<th\>Key feature\</th\>
\<th\>Serviceability\</th\>
\</tr\>
\</thead\>
\<tbody\>
\<tr\>
\<td\>\<strong\>ARTA ASK\-C\</strong\> \(this page\)\</td\>
\<td\>Petroleum, chemical, gas, food/pharma — premium engineered applications\</td\>
\<td\>50\+ year design, ATEX certified, widest size range \(DN15–DN200\)\</td\>
\<td\>Fully serviceable — kits available\</td\>
\</tr\>
\<tr\>
\<td\>\<a href="/products/sas\-dry\-breaks/"\>SAS Dry Breaks\</a\>\</td\>
\<td\>Tank truck, transport and general industrial\</td\>
\<td\>NATO certified, 1"–4", quick connect/disconnect, minimal fluid loss\</td\>
\<td\>Serviceable\</td\>
\</tr\>
\<tr\>
\<td\>\<a href="/products/drylok\-dry\-break/"\>Drylok Dry Break\</a\>\</td\>
\<td\>Hazardous corrosive and volatile liquids — acids, solvents, petrochemicals\</td\>
\<td\>Driest disconnect in industry — less than 1cc fluid loss from 3" unit\</td\>
\<td\>Serviceable\</td\>
\</tr\>
\</tbody\>
\</table\>
Not sure which dry break coupling is right for your application? \<a href="/contact/"\>Contact the Treloar team\</a\> for a recommendation\.

\<\!\-\- FAQ \-\-\>
\<h2\>Frequently asked questions\</h2\>
\<h3\>What is a dry break coupling?\</h3\>
A dry break coupling \(also called a dry disconnect coupling or dry break fitting\) allows pipelines and hose lines to be connected and disconnected under operating pressure without product spillage\. Both halves of the coupling contain automatic shut\-off valves that close before separation, preventing fluid loss and protecting operators and the environment from exposure to the transferred media\.
\<h3\>What is the difference between a dry break coupling and a standard cam and groove coupling?\</h3\>
A standard cam and groove \(camlock\) coupling does not have automatic shut\-off valves — disconnecting under pressure causes product spillage\. A dry break coupling seals automatically on disconnection, making it suitable for hazardous, volatile, or environmentally sensitive fluids where any spillage is unacceptable\.
\<h3\>What fluids can the ARTA ASK dry break coupling handle?\</h3\>
The ASK range handles petroleum products, liquid and gaseous chemicals \(including acids, caustics and solvents\), LNG, LPG, compressed gases, and food/pharmaceutical\-grade liquids \(ASK\-FD variant\)\. Seal materials \(PTFE, EPDM, Viton®\) and body materials \(stainless steel, Hastelloy®\) can be specified to suit the media\.
\<h3\>Are ARTA dry break couplings ATEX certified?\</h3\>
Yes\. The ARTA ASK\-C is certified to 2014/34/EU \(ATEX\) for use in potentially explosive atmospheres, as well as EN14432, 2014/68/EU \(Pressure Equipment Directive\), 21 CFR Part 11 and USP Code 6\.
\<h3\>What sizes are available for the ASK dry break coupling?\</h3\>
The ARTA ASK series is available in sizes DN15 \(½"\) through DN200 \(8"\)\. Connections include NPT, BSP and ISO threads, and ANSI and ISO flanges\. Other connections are available on request\.
\<h3\>Are spare parts available for ARTA ASK dry break couplings?\</h3\>
Yes\. The ARTA ASK\-C is fully serviceable — spare kits are available\. Contact Treloar for details on the kit applicable to your order code\.
\<h3\>What is the difference between a dry break valve and a dry break coupling?\</h3\>
The terms are often used interchangeably\. Technically, a dry break coupling refers to the complete connection system \(both male and female halves\), while a dry break valve refers to the shut\-off valve mechanism within each half that closes automatically on disconnection\. In practice, "dry break coupling," "dry break valve," "dry break fitting" and "dry disconnect coupling" all describe the same product category\.

\<\!\-\- CTA \-\-\>
\<h2\>Request a quote\</h2\>
Contact Treloar for pricing, lead times and spare kit availability on the ARTA ASK dry break coupling range\. Our team can assist with product selection and sizing for your application\.
- [Treloar Swivel Joints](https://treloar.com.au/products/swivel-joints/): \<h2\>Learn about the swivel joint upgrades we’ve made\</h2\>
\<table class="tile\-table" aria\-label="Swivel joint upgrades"\>
\<tbody\>
\<tr\>
\<td class="tile"\>
\<figure\>
\<div class="img\-wrap"\>\<img src="https://blog\.treloar\.com\.au/hubfs/Fabricated%203%20seal\_c\.jpeg" alt="Inspection port allows seal checks without disassembly" /\>\</div\>
\<figcaption\>We’ve engineered a way to check seals are leaking without separating the body and tail so you can easily inspect annually and replace when needed\</figcaption\>\</figure\>
\</td\>
\<td class="tile"\>
\<figure\>
\<div class="img\-wrap"\>\<img src="https://blog\.treloar\.com\.au/hubfs/Untitled%20design%20\(48\)\.png" alt="O\-ring dust seal upgrade" /\>\</div\>
\<figcaption\>We’ve replaced the dust seal with an O\-ring to prevent water ingress, extending life\</figcaption\>\</figure\>
\</td\>
\<td class="tile"\>
\<figure\>
\<div class="img\-wrap"\>\<img src="https://blog\.treloar\.com\.au/hubfs/Untitled%20design%20\(47\)\.png" alt="Backup seal for planned maintenance" /\>\</div\>
\<figcaption\>We’ve added a backup seal which allows for planned maintenance\</figcaption\>\</figure\>
\</td\>
\</tr\>
\<tr\>
\<td class="tile"\>
\<figure\>
\<div class="img\-wrap"\>\<img src="https://blog\.treloar\.com\.au/hubfs/Untitled%20design%20\(46\)\.png" alt="Independent greasing points" /\>\</div\>
\<figcaption\>Seals and bearings can be conveniently greased with different greases in each\</figcaption\>\</figure\>
\</td\>
\<td class="tile"\>
\<figure\>
\<div class="img\-wrap"\>\<img src="https://blog\.treloar\.com\.au/hubfs/split%20flange\_e\.jpeg" alt="Split flange enables seal replacement without removing bearings" /\>\</div\>
\<figcaption\>Split flange swivels allow seal replacement without removing ball bearings\</figcaption\>\</figure\>
\</td\>
\<td class="tile"\>
\<figure\>
\<div class="img\-wrap"\>\<img src="https://blog\.treloar\.com\.au/hubfs/Untitled%20design%20\(49\)\.png" alt="Extreme service swivel options for harsh chemicals" /\>\</div\>
\<figcaption\>We can provide extreme service swivels from our trusted international partners to handle almost any fluid needing to be transferred \(such as acid, caustic or specialty chemicals\)\</figcaption\>\</figure\>
\</td\>
\</tr\>
\</tbody\>
\</table\>
\<div class="row\-fluid\-wrapper row\-depth\-1 row\-number\-7 dnd\-row"\>
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\<h2\>Swivel Joint Maintenance Requirement Improvements\</h2\>
\<p data\-sourcepos="5:1\-5:36"\>\<strong\>Say Goodbye to Monthly Greasing:\</strong\>\</p\>
\<p data\-sourcepos="7:1\-7:80"\>One of the most significant improvements is the extended greasing interval\. Our \<strong\>new swivel joints\</strong\> only require lubrication annually, a drastic reduction compared to the monthly greasing routines of traditional models\. This translates to significant time savings and reduced maintenance costs for your operation\.\</p\>
\<p data\-sourcepos="9:1\-9:47"\>\<strong\>Effortless Seal Inspection and Replacement:\</strong\>\</p\>
\<p data\-sourcepos="11:1\-11:353"\>Another pain point addressed is seal maintenance\. Previously, inspecting for worn seals often meant a time\-consuming disassembly process\. Our \<strong\>upgraded swivel joints\</strong\> feature a cleverly engineered leak detection port\. This allows for a simple annual inspection to determine seal integrity, eliminating unnecessary disassembly and maximizing uptime\.\</p\>
\<p data\-sourcepos="13:1\-13:50"\>\<strong\>Enhanced Durability for Extended Service Life:\</strong\>\</p\>
\<p data\-sourcepos="15:1\-15:62"\>We've gone beyond just reducing maintenance frequency\. Our \<strong\>new swivel joints\</strong\> boast superior durability thanks to a series of strategic upgrades\. We've replaced the traditional dust seal with a more robust o\-ring, effectively preventing water ingress, a major contributor to premature seal wear\. Furthermore, we've incorporated a backup seal, providing an extra layer of protection and extending the overall lifespan of your swivel joint\.\</p\>
\<p data\-sourcepos="17:1\-17:45"\>\<strong\>Unparalleled Convenience and Flexibility:\</strong\>\</p\>
\<p data\-sourcepos="19:1\-19:336"\>For even greater convenience, our \<strong\>new swivel joint design\</strong\> allows independent greasing of seals and bearings with different greases, catering to specific application requirements\. Additionally, the split flange design facilitates easy seal replacement without removing the ball bearings, further streamlining maintenance procedures\.\</p\>
\<p data\-sourcepos="21:1\-21:30"\>\<strong\>Extreme Service Solutions:\</strong\>\</p\>
\<p data\-sourcepos="23:1\-23:523"\>Our commitment to innovation extends beyond standard applications\. We understand that some operations require swivel joints capable of handling highly specialized fluids\. To address this need, we offer a selection of \<strong\>extreme service swivel joints\</strong\> sourced from our trusted international partners\. These robust joints are designed to withstand harsh environments and handle a wide range of fluids, including acids, caustics, and specialty chemicals, ensuring reliable performance in even the most demanding situations\.\</p\>

\<div data\-hs\-responsive\-table="true"\>
\<table\>
\<tbody\>
\<tr\>
\<td\>\</td\>
\<td\>
\<h3\>Old Swivels\</h3\>
\</td\>
\<td\>
\<h3\>New Swivels\</h3\>
\</td\>
\</tr\>
\<tr\>
\<td\>\<strong\>Grease Swivel Joint\</strong\>\</td\>
\<td\>1 month\</td\>
\<td\>1 year\</td\>
\</tr\>
\<tr\>
\<td\>\<strong\>Replace Dust Seal / O\-Ring\</strong\>\</td\>
\<td\>1 year\</td\>
\<td\>Replace O\-ring\(s\) when required – Leak detection port allows annual inspection to determine if seal need to be replaced before a leak occurs\</td\>
\</tr\>
\</tbody\>
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\<div class="buttom\-section\-ctm text\-center"\>\<a href="https://treloar\.com\.au/wp\-content/uploads/2025/10/SWIVEL\-MAINT\-INSTRUCTIONS\-3\-SEAL\.pdf" target="\_blank" rel="noopener"\>\<button id="button\_widget\_1629267143905" class="button button\-\-secondary" data\-fancybox="" data\-src="\#popupbtnwidget\_1629267143905"\>Download Maintenance Instructions\</button\>\</a\>\</div\>
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\<h2\>\<strong\>Treloar Swivel Joints\</strong\>\</h2\>
3000 Series swivel joints are available in a variety of materials, sizes and styles to meet virtually any application\.
\<ul\>
 	\<li\>Standard Sizes: 3/4 in\. to 12 in\.\</li\>
 	\<li\>Standard Materials: Aluminum, Bronze, Carbon Steel, Ductile Iron, Stainless Steel\</li\>
 	\<li\>Standard Seals: Buna\-N, Fluorocarbon, PTFE, EPDM, Neoprene\</li\>
 	\<li\>End Connections: FNPT, 150/300 ANSI Flanges, Butt/Socket Weld\</li\>
\</ul\>
Treloar has three types of swivel joints available from manufactured \& cast, to highly engineered:
\<ol\>
 	\<li\>\<strong\>3000 series fabricated\</strong\>; Body and Tail – new 3 seal design\. Lowest cost options\</li\>
 	\<li\>\<strong\>5000 series fabricated \(Split flange\)\</strong\>; Flange, Body and tail – access and replace seals without removing ball bearings\. Simple and easily serviceable options\</li\>
 	\<li\>\<strong\>HSF series \(Hygienic split flange\)\</strong\>; 2 x Flanges, Body and Tail – bearing system can be removed and replaced with no welding\. Highly technical, can be used in food grade applications\.\</li\>
\</ol\>
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\<h2\>\<strong\>Talk to us about upgrading your swivel joints\</strong\>\</h2\>
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- [Single Plane Nozzle Swivel \(36SL\)](https://treloar.com.au/products/single-plane-nozzle-swivel-36sl/): \<h3\>APPLICATION\</h3\>
The single and dual plane swivels compliment the \<a href="https://treloar\.com\.au/brand/treloar/"\>Treloar\</a\>\-OPW nozzle product range\. The purpose of the swivel is to reduce operator effort whilst filling hard to reach fuel tanks\. The swivels eliminate hose twisting and kinking and promote an extension of delivery hose life\.
\<h3\>FEATURES\</h3\>
• For use with fuel oil or Service Station Nozzles \(at nozzle inlet only\)\.
• One or two plane of rotation swivels are available for Service Station Nozzles\.
• All nozzles have static continuity\.
• 360 degrees swivel action reduces physical strain of aligning the nozzle to the fill pipe\.
• Check valves in swivels for bulk nozzles have a 55 kPa setting per NSC requirements Doc\.101\)\.
\<h3\>SPECIFICATIONS\</h3\>
Pressure Rating: 50psi \(350kPa\)
All connection points are:
Female R\.P\. Series \(B\.S\.P\.P\.\)
Male R\. Series \(B\.S\.P\.T\.\)
Hose Tail \(H\.T\.\)
- [Ball Valves](https://treloar.com.au/products/ball-valves/)
- [Epsilon Dry\-break](https://treloar.com.au/products/epsilon-dry-break/): \<div class="demo1"\>
\<h3\>APPLICATION\</h3\>
The \<a href="https://treloar\.com\.au/brand/epsilon/"\>EPSILON™\</a\> coupling system is designed to prevent chemical spills and reduce fugitive emissions of volatile organic compounds \(VOC’s\), particularly in the process facility and during transfer to and from truck tanks and railroad tank cars\.
During in\-plant chemical transfers, EPSILON™ Chemical Containment System will provide your plant with process flexibility while also improving operator safety and enhancing environmental compliance and reducing overall capital expenditures and operating costs\.
\<h3\>FEATURES\</h3\>
EPSILON™ is a low spill coupling, based on a double ball valve system integrating a sophisticated safety design in sizes of 1”, 2” and 3”\. The design is constructed to handle a pressure of 25 Bar and temperature up to 240°C and is available with end connections complying to DIN and ANSI standards\.
All wetted materials are 316 stainless steel \(1\.4401\) with TFM or PFA seals\. Hastelloy® C is also available for use with more aggressive fluids\.
Beyond the common advantages of a ball valve design, EPSILON™ provides for flow through an unrestricted flow path and double shut off reliability in the coupling connection\.
\<h3\>SPECIFICATIONS\</h3\>
SAFETY:
EPSILON™ coupling is equipped with safety interlocks, which force the valves to open and close only with a deliberate action, preventing accidental opening of the valve\.
ENVIRONMENT:
EPSILON™ is a low spill system, specified to less than 1 ml spillage for the 2” coupling \(2000 cycles test average 0\.6 ml\) and less than 0\.7 ml for the 1” coupling\.
MAINTENANCE:
EPSILON™ was not only engineered for easy operations, but also for quick replacement of the transfer seal without any lockout\. No special tools are required for replacement of seals\.

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## Categories
- [Fluid Transfer](https://treloar.com.au/category/fluid-transfer/)
- [Case Studies](https://treloar.com.au/category/case-study/)

## Brands
- [Treloar](https://treloar.com.au/brand/treloar/)
- [ARTA](https://treloar.com.au/brand/arta/)
- [Watts](https://treloar.com.au/brand/watts/)
- [Norriseal Wellmark](https://treloar.com.au/brand/norriseal-wellmark/)
- [SOCLA](https://treloar.com.au/brand/socla/)

## Product categories
- [Tank Truck \& Transport Equipment](https://treloar.com.au/product-category/tank-truck-transport-equipment/)
- [Service Station Equipment](https://treloar.com.au/product-category/service-station-equipment/)
- [Nozzles \& Dispensing](https://treloar.com.au/product-category/nozzles/)
- [Industrial Process](https://treloar.com.au/product-category/industrial/)
- [Valves](https://treloar.com.au/product-category/valves/)

## Optional
- [Sitemap index](https://treloar.com.au/sitemap_index.xml)