Fluid transmission lines are essential parts of a wide variety of industrial, commercial and consumer utilities. In industry, hydraulic fluid lines are necessary for facilitating the movement of many kinds of heavy machinery. Read More…
Leading Manufacturers
OPW® Engineered Systems
Lebanon, OH | 800-547-9393OPW Engineered Systems, part of OPW-FTG, manufactures quick disconnect couplings, quick connect couplings and dry disconnect couplings. We offer products to the transportation industry to meet bulk loading and unloading specifications, in addition to in-plant liquid transfer requirements.

Kent Rubber Supply Co.
Grand Rapids, MI | 616-538-4970Kent Rubber Supply has been a trusted supplier of industrial couplings and fittings since 1946. Offering all of the connections that you need for your industrial fitting, securement, accessories, and industrial coupling needs. Using our up-to-date assembly process, we can confidently supply all your coupling and fitting solutions.

NewAge® Industries, Inc.
Southampton, PA | 800-506-3924When it comes to quick release couplings we are your experts! Since our establishment we have provided products and services to a global market. Our skilled engineers will work with you from design to delivery to ensure that you are receiving a product that will fit your exact specifications. To learn more about what we may be able to do for you; get in touch with us on the web or by telephone today!

CEJN® Industrial Corporation
Gurnee, IL | 847-263-7200CEJN® manufactures several types of couplings, including quick connect couplings, hose couplings and hydraulic couplings that are applied in the areas of pneumatics, breathing air, hydraulics and other fluids. For over 40 years, we have been a mainstay for applications in pneumatics, water and chemicals.

Production Control Units, Inc.
Moraine, OH | 937-299-5594Founded in 1946, Production Control Units remains a technology leader for reliable high side refrigerant injection, fluid metering, and tool presentation solutions. Over the years, our expertise has expanded to include hundreds of applications. We provide consultation, design, product testing, as well as field support/technical training and maintain replacement parts, couplers, and fill adapters.

Many kinds of heavy industrial equipment make use of fuel lines that involve the use of quick couplings. Commercial hydraulic-operated equipment like small lifts may also involve the use of hydraulic quick disconnects. Industrial, commercial and consumer grade pressure washers are almost always equipped with quick couplings in order to allow for the quick and easy connection of water compressors to spraying wands. These helpful tools are used to maintain a connection between two lines while allowing for their quick and easy disconnection.
Some varieties of quick couplings can be designed to prevent leakage once disconnected; such specialized couplings are used in a variety of hydraulic, pneumatic and other kinds of fluid transmission lines. They contribute greatly to the safety of the environments in which they are applied by preventing accidental spills.
Quick couplings are composed of two mating halves: a male plug and a female coupling. Most quick couplings are composed of metal materials, such as brass, aluminum, and stainless steel. The key to the operation of a quick coupling lies in the design of the female coupling part. The female part involves a retractable sheath that covers several movable bearings. When the sheath is retracted, it allows for the movement of the bearings, which allows for the attachment of the male part.
When the sheath is extended over the bearings, it prevents their movement, which prevents the connection or disconnection of the male part. The retractable sheath is usually kept in place with a resilient spring. Recently, plastic materials have become more common as quick couplings because of their corrosion resistance and low cost compared to metal couplings.
Their use is generally limited to less demanding applications, as most plastics are not as strong as metals. Carefully pairing couplings with their applications is an important part of ensuring the safe and effective operation of quick couplings and the equipment to which they are connected. When properly chosen, installed and used, quick couplings are a tremendous asset to their users.