Description

Model BPFZ non-seal self-control self-suction pump is a new product by way of imprioving and new designing on the advanced experience basis of the related products both at ho- me and abroad and a replacement for the conventional dome- stic same ones and features temperature withstand, pressure withstand, wearability, permanent self-suction after first flow-leading . It is made of cast iron, cast steel, stainless steel, reinforced polypropylene etc. materials and in 5 different patterns and more than one thousand specificatons and can be used for electron, electric power, chemical industry, metallurgy, pharmacy, food, fire fighting, environmental protection, ele- ctric plating, water purification, municipal works, national defense, textile, mine, construction etc. Trades. 1 Reliable seal. 2 Use a power seal device, no wear during running, of adu- ration over *0 times that of the conventional ones. 3 Low cost of running with the power seal device, as *0% of the stuffing seal and *0% of the mechanical one for **-year running. 4 Stable and reliable self-suction performance, especially, with an electric air control valve used, truly realizing the permanent selfsuction after first flow-leading .