4D-SB electric test pump is mainly used in various types of pressure containers, oxygen cylinders, pipes, valves, steam boilers, etc. for hydrostatic testing, to the stress laboratory processing of new technology and get the fluid pressure source equipment. Is the General Machinery Research Institute Ministry of Machinery Industry Joint design team test pump designed for the latest products, old products, it has a "three" high, long life, stable performance, mobile and flexible, light weight, and Based on the increased transmission and cross conversion, so that the integrated value of this comprehensive series of products to meet the requirements, a variety of more stable and reliable, more safe and convenient to use, while achieving the energy saving effect. Selected in the product structure of a closed water tank, reducing the whole height, form more compact appearance. 
 This product is at 5 ° -60 ℃ of water, emulsion and the viscosity of less than 45mm2 / s of oil as the working medium and the specially designed, where the rated discharge pressure below the pressure can be any numerical test, the product of the working environment temperature: 5 ° -60 ℃.