COMPATIBILITY FLANGE GOST -EN

[JMGV]

Hi

I'm starting a project where my customer supply the equipment, valves and instruments and the final client supply pipes, fittings, but as my customer supply using DIN/EN standards he must supply also flanges.

The problem is weld GOST pipes to EN welding neck flanges due to the difference of diameter.
I've checked in the GOST 33259-2015 the dimensions for flanges PN10/PN16 and PN40 and the dimensions of external diameter, bolting and raised face diameter match in GOST /EN.

Do anybody has experience in assembly GOST flanges in EN/DIN valves?


Thanks

 

[1503-44]

No, but DIN and ASME generally match up well. Small diameters may have larger relative differences.