"281860: PUERTOS: SUP = 3 / 4'NPT RES = 3 / 8'NPT TODA OTRA 1 / 4'NPT 281865: PUERTOS: SUP = 3 / 4'NPT RES = 3 / 8'NPT DEL2 * 1 / 4'NPT + 2 * 3 / 8'NPT, EM + SERV = 1 / 4'NPT