The FG Inox's 2MA series of 3000 lbs stainless steel, NPT threaded couplings features sizes from DN8 to DN50, and inner diameter from 1/4'' to 2''. These units have length from 35 to 86 and weigh from 0.065 to 1.340 kg. The 2MA series includes several models: 4MA8, 4MA12, 4MA15, 4MA20, 4MA25, 4MA32, 4MA40 and 4MA50, based on size.