EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of EN ISO 6621-1 testing. EN ISO 6621-1 defines the most commonly used terms for piston rings. These terms refer to piston ring types or specific features and events of piston rings.
The terms and definitions in this standard apply to piston rings of reciprocating internal combustion engines. They can also be used in the rings of compressors operating under similar conditions.
An outward-expanding circular iron spring fits into a piston groove, sealing against the gas or liquid pressure difference between the circumferential and side faces of the ring and the bore and piston groove. The keystone ring is used where ring sticking can be expected. Due to its wedge shape, any radial movement of the ring will change its axial clearance, thus minimizing combustion residue build-up.
EUROLAB assists manufacturers with EN ISO 6621-1 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.
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