Set of square O-rings and seals

The square O-ring seal kit is a practical technical set designed for applications in power hydraulics, pneumatics, and industrial installations. The square cross-section of the seal ensures stable seating in the groove and effective sealing of static and dynamic connections. The product is aimed at service centers, workshops, and maintenance departments where quick access to various seal sizes matters.

What is a square O-ring kit

Square O-rings, also known as quad rings, are elastomeric seals with a rectangular cross-section, used as an alternative to classic round O-rings. Their geometry allows for better filling of the sealing groove, which reduces the risk of the seal twisting during installation and improves tightness at higher pressures. These types of seals are often used in places where precise and durable sealing is required.

Design and construction of the square O-ring kit

Square O-ring - a seal included in the kit made of NBR elastomer, which is characterized by good resistance to hydraulic oils, greases, and fuels. This material ensures flexibility over a wide temperature range and a long service life in industrial conditions. The square cross-section allows for even distribution of pressure on the sealing surface, which affects the stability of the connection and reduces material wear.

Square O-ring, quad ring kit application

The set of square O-rings is used in hydraulic and pneumatic systems, distributors, valves, actuators and pumps. Seals can be used both during routine repairs and during the installation of new systems. Thanks to the variety of sizes, the kit will prove useful in mobile services, production plants, and workshops dealing with power hydraulics. The quad ring set allows for quick selection of the appropriate seal size without the need to assemble individual elements. Thanks to this, it works well in both daily service work and during emergency repairs of hydraulic installations.

Industries most often using square O-rings

The product is used in the power hydraulics industry, pneumatics, maintenance, construction and agricultural machinery services, the machine industry, and in production plants where oil and compressed air systems are used.

Practical information - how and when to use a square flange O-ring

During the installation of square O-rings, attention should be paid to the cleanliness of the groove and the absence of sharp edges that could damage the seal. It is recommended to gently lubricate the seal with the working medium before installation, which facilitates seating and reduces the risk of damage. Selecting the correct size has a direct impact on the tightness and durability of the connection. The square O-ring kit is a practical solution that allows you to have the most commonly used seal sizes at hand. Check product availability in the Hydron store and complete your workshop equipment with a reliable set of seals.

Technical parameters

• Seal type: square O-ring

• Material: NBR

• Cross-section: square

• Application: power hydraulics, pneumatics, oil systems

• Resistance: hydraulic oils, greases, fuels