Today, with the advancements and technologies used in Iran's industrial production, as well as increasing the level of knowledge, capable Iranian engineers have succeeded in producing high-quality Iranian gear pumps with great effort and cooperation. It is interesting to know that in the past, we did not have the ability to produce this product and therefore we had to import foreign pumps. But these problems have been solved and buyers can buy Iranian pumps easily. The distinguishing feature of the Iranian pump compared to other pumps is that it is very easy to maintain and when it breaks down or needs to be repaired, it can be easily repaired and used again. Of course, these pumps are very resistant and don't get into trouble easily, so you can use them safely for years. It should be mentioned that the Iranian pump is divided into two general categories of internal and external pumps, and we will examine the characteristics of each of them in the following.