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Products

Gas Spring Seals
Gas springs function is to provide effective cushioning and damping by adjusting the optimum seating position of our office chairs, load or unload our cars by making the rear door virtually weightless and facilitate the movement of heavy loads in industrial applications. A gas spring is a pneumatic spring that is energized by a pressurized gas ie nitrogen. The principle with its core elements as cylinder, piston, piston rod and the locking package with the seal, gas and lubricants support the desired function. The gas pressure acts on the cross-sectional areas of the piston, which vary in size, and generates a force in the extension direction when the piston rod penetrates the interior. The rod seal has the job of preventing leakage of the gas from the cylinder and to thus prevent loss of performance. Factually, permeation and losses caused by leakage at the interfacing areas slowly but surely reduce the gas volume that was initially introduced down to the level of spring failure unless the seal prevents this. Therefore, the specific evaluation of the respective tribological system including the selection of the seal best suiting this system is extremely critical. Dicherseal high-performance compounds provides;
Excellent wear resistance,
Very low permeation rates,
Very broad media resistance and broad temperature range,
Easily achievable baked enamel finishing and powder coating of the gas spring,
Perfect price/ quality ratio.
Shock absorber and strut seals 

DicherSeals supplies seals for shock absorbers in automotive sector.. Our service includes full material development, product design, prototyping and testing, customer support, high and low volume production capability. Dicherseals supplies multi-lip seals with integrated static and dynamic sealing in standard and heavy-duty dampers and pistons with excellent durability over a wide temperature and pressure range. Functions of the shock absorber seals are;
Maintaining high pressure, oil and gas inside the shock absorber chamfer,
Dust and external media penetration inside the damper,
Keeping optimum piston rod greasing for the long-life endurance of the sealing.
The Dicherseal damper seals presents the following advantages: Differing elastomer compounds enable sealing over a wide range of temperatures. Availability of different compounds – NBR, HNBR and FKM covering a wide range of operating temperatures (–40 to 120 °C) and ensuring compatibility in all existing oils, compounds, allowing for high and low friction options. Flat top metal surface design permits the tube to be welded or rolled into place. Heavy gauge metal insert, allowing the shock absorber tube to be assembled over the seal in number of different methods.  Static gasket, providing a leak-proof seal between tube wall and rod guide. Garter spring, ensuring the correct radial load for the life of the product. Dust lip, preventing contaminants from getting into the system. Gas lip, acting as a check valve and Greasing operation, if requested.
Nutrings

Hydraulic or pneumatic pistons are used in many mechanical applications where linear motion and force are required, and the most important part is the sealing elements. In applications where sealing elements such as seal, dust seals are used, they have a pre-tension in their ducts after assembly. In the non-pressurized sealing element, it is necessary to create a pre-tension in the channel and a gap in the channel that will enable it to work comfortably. Thanks to the pre-tension, the sealing element fulfills its duty at very low pressures. We see that the sealing element under pressure works by spreading thanks to the pressurized fluid filling the channel space. Sealing elements are produced from materials that change their form when force is applied on them and can return to their original shape when this force is removed. This is why sealing elements are produced from elastomers or thermoplastic elastomers.

Custom Molded Parts