Products should be marked in the following order: product code, type code, structure code, performance code, working pressure, nominal diameter.
The product and structure code are as follows: flexible rubber joint RFJ, single sphere D, double sphere S, elbow W, concentric diameter Yt, eccentricity Yp, fan coil joint F.
Example of tag: RFJD-1.6×200,. Refers to a single sphere flexible rubber joint with a nominal diameter of 200mm and a working pressure of 1.6Mpa.
