EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of EN ISO 6621-2 testing. This standard defines the measurement principles to be used to measure piston rings; Applied to piston rings up to and including 200 mm diameter for reciprocating internal combustion engines. This standard can be used for piston rings of compressors operating under similar conditions.
This standard is one of a series of International Standards dealing with piston rings for reciprocating internal combustion engines. Others are EN ISO 6621-1, EN ISO 6621-3, EN ISO 6621-4, EN ISO 6621-5, EN ISO 6622, EN ISO 6623, EN ISO 6624, EN ISO 6625, EN ISO 6626 and EN ISO 6627 .
The common specifications and size tables presented in this standard account for a wide range of variables, and the designer should consider the conditions under which it will need to operate when selecting a particular ring type. It is also important for the designer to refer to the EN ISO 6621-3 and EN ISO 6621-4 specifications and requirements before finalizing their selection.
Certain measurements are made in the nominal cylinder bore with the ring closed. When oriented rings are measured in this way, they should be placed with the top of the ring facing the reference plane. Measurements should be made using instruments with a resolution not exceeding 10% of the tolerance of the measured dimension.
EUROLAB assists manufacturers with EN ISO 6621-2 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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