Quick disconnect couplings provide fast and easy connection and disconnection of fluid lines in industrial equipment, machinery and tooling. Quick disconnects are used to replace existing connections that require tools to assemble or disassemble.
Otherwise known as quick connect fittings or quick release couplings, high-quality quick disconnect (QD) couplings can reduce the time required for service, repair and replacement of your hydraulic hose assembly while preventing fluid leaks.
QD fittings have different pressure limitations and choosing the wrong one can impact flow rate and performance. Be sure to match the fitting to the hydraulic hose assembly and the application’s desired service pressure. Other things to consider when choosing a quick disconnect include:
There are several types of quick disconnect couplings and include snap-type (common ball-latching variety), bayonet, threaded and non-latching. Additionally, based on your needs, you can choose single or double shut-off, non-shut-off and dry-break configurations.
Snap-type QD couplings (ball-latching) are the most common fitting and are designed with a spring-loaded mechanism that automatically locks the two halves of a fitting together and can be released by simply pulling back on the sleeve.
Non-latching QD couplings are used when frequent changeouts are required and are comprised of self-sealing valves on both halves for automatic shut-off.
Single shut-off QD couplings have a shut-off valve in the internal half of the assembly.
Double shut-off QD couplings have shut-off valves on both internal and external ends.
Dry-break QD couplings are used when leak avoidance is critical and ensure both ends are fully closed before disconnection.
When selecting the proper coupling solution your job requires, consider the following:
Related: Premature Hydraulic Hose Failure Costs and Prevention Tips
Have questions on improving the safety and efficiency of your hydraulic hose systems?
Give us a call at 314-638-6500 OPTION 4.
For high-performing quick disconnect couplings, count on Dixon Valve & Coupling to deliver uncompromised durability and reliability in your toughest jobs.
Designed to stand up to the rigors of industrial applications in agriculture, transportation, food and beverage, manufacturing and more, their line of quick disconnects are engineered to perform above industry standards. Here are a few of their top-rated QD solutions:
Dixon HT Series quick disconnects are designed for construction equipment, Skid-Steer, Bobcat™ and excavator attachments and hand tools. HT Series are made from steel and SS316 and available in sizes to meet almost any requirement. HT Series has interchange capability with other brands as necessary. Meets ISO 16028, HTMA (3/8” only). Ideal for oilfield, industrial hydraulic and construction.
Dixon HTE Series Equaliser quick disconnect coupling is made from steel and SS316 available in sizes 3/8” to 1” – BSP, NPT and ORB (UNF). Ideal for hydraulic applications where connection against residual pressure is required. Also used in applications such as mobile construction equipment, Skid-Steer, Bobcat™ and excavator attachments and hand tools. Meets ISO 16028.
Dixon K Series quick disconnect couplings are made from steel and SS316 and features stainless steel balls, retaining rings and springs for maximized corrosion resistance. Ideal for mobile applications including dump trucks, waste trucks, truck-trailer connections, excavators, backhoes, hydraulic hand tools and more.
Dixon T Series quick disconnect coupling is ideal for hydraulic pumping equipment, hydraulic toe jacks, hydraulic bottle jacks, rescue cutting equipment, hydraulic jack up units. Dixon T Series body material is made from steel and SS316 and has interchange capability with other brands as necessary. Meets standard ISO 14550.
Dixon WS-Series High Pressure Wingstyle Female Coupler is ideal for use in oil fields and off shore oil rig applications. Its stainless-steel retaining rings and springs maximize corrosion resistance and service life. The main valve seal of the Dixon WS-Series High Pressure Wingstyle Female Coupler is housed to improve seal integrity during pressurized connection/disconnection.
Need help selecting the right coupling for your application?
View Dixon’s Global Interchange Guide
Sometimes, hose failure is unavoidable. Many times, however, unexpected failure and worker injury can be avoided with proper installation and maintenance. Avoid hydraulic hose failure with better quick disconnect coupling practices from Dixon:
Learn how Dixon’s Quick Disconnect Couplings Prevent Accidental Disconnects. Watch: Dixon’s Quick Coupling locking sleeve feature
Give us a call at 314-638-6500 OPTION 4 and speak to a knowledgeable representative today!
Superior Industrial Supply knows how important it is to have durable and reliable equipment for your most demanding applications. It’s why we specialize in hydraulic hose assembly and repairs. Give us a call at 314-638-6500 OPTION 4 or 800-783-6501 and let us know how we can help you find the products, services and advice you need to do just that.
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When deciding on a hose coupling , multiple elements need to be considered to make sure its suitability for unique programs and operating environments. The following are the important thing elements to take into account while selecting hose couplings:1.Purpose and application state of affairs: Determine the particular application and work situation that the hose coupling might be used for. Different packages may additionally require differing types, materials, and sizes of hose fittings.2.Fluid type: Consider the form of fluid being transported, inclusive of liquid, gas, or stable. Some hose fittings are suitable for unique kinds of fluids, even as they may now not be suitable for different kinds of fluids.3.Pressure requirement: Determine the working strain variety within the gadget. The selection of hose couplings ought to observe the most operating pressure necessities of the system to ensure safe operation.4.Temperature variety: Consider the temperature range of the fluid and the temperature limit that the hose coupling can correctly and reliably withstand. Ensure that the material and seal of the hose coupling are appropriate for the specified temperature conditions.5.Material selection: Select substances suitable for specific applications. Common hose coupling materials consist of stainless-steel, aluminum, brass, plastic, and many others. The choice of materials relies upon on elements which include the chemical homes, corrosiveness, and wear resistance of the fluid.6.Size and Connection Type: Determine the specified hose coupling size and connection type to ensure compatibility with different additives in the gadget. Common kinds of connections encompass threaded connections, flange connections, cam connections, and so forth.7.Leak evidence requirements: For programs that require leak proof overall performance, it's miles important to choose hose couplings with reliable sealing and leak proof traits. The cloth and layout of the sealing ring or gasket are critical for leak prevention.8.Durability and carrier life: Consider the durability and carrier lifestyles of hose couplings, specifically below excessive stress, excessive temperature, or harsh environmental conditions. High satisfactory hose fittings generally have an extended carrier lifestyles.9.Convenience of installation and disassembly: Choose hose fittings which are smooth to put in and disassemble, in particular for systems that require common replacement or upkeep.10.Industry requirements and specs: Follow relevant industry standards and specifications to make certain that the selected hose couplings follow applicable protection and performance standards.11.Cost considerations: When selecting hose couplings, it's miles necessary to balance overall performance and price. High nice hose fittings normally have higher costs, but can provide greater reliable overall performance and longer service life.Taking those elements into consideration can assist make sure the selection of suitable hose couplings to fulfill the requirements of unique applications and make certain the secure and dependable operation of the machine. When unsure approximately a way to pick out, it is advocated to seek advice from a expert engineer or dealer for customized recommendation.