Do you have this standard? (similar to a sealing ring in a picture)
You can refer to the following criteriaGB/T 3452.1-2005 hydraulic pneumatic O rubber seals - first dimensions: Dimensions and tolerancesGB/T 3452.2-2007 hydraulic pneumatic O rubber sealing ring second parts: appearance quality inspection specificationGB/T 3452.3-2005 hydraulic pneumatic O rubber seals - third dimensions: groove dimensions
Design according to your assembly drawing! U rings and X rings can be selected
You can refer to the following criteriaGB/T 3452.1-2005 hydraulic pneumatic O rubber seals - first dimensions: Dimensions and tolerancesGB/T 3452.2-2007 hydraulic pneumatic O rubber sealing ring second parts: appearance quality inspection specificationGB/T 3452.3-2005 hydraulic pneumatic O rubber seals - third dimensions: groove dimensions
