Roots blower is a volumetric rotary blower, which uses two blade-shaped rotors to move relative in the cylinder to compress and convey gas. The blower is simple in structure and convenient in manufacture. It is suitable for gas transmission and pressure in low pressure situations, and can also be...

Plastic machinery ring vacuum pump main advantages: Less dangerous and more widely used. Plastic machinery water ring vacuum pump coaxial design, save space, easy to install Adopt mechanical seal as standard configuration, eliminate leakage, easy maintenance. Stable operation, noise can be as low...

Roots vacuum pumps product display Product parameters Model ZJ-150~ZJ-1200 ZJP- 70~ZJP- 2500 Pumping speed（L/s） 150~1200  70~ 2500 Ultimate pressure （Pa） 1stage piston pump as backing pump 5×10-2 2 stage piston pump as backing pump 1×10-1 Max. allowable diff. pressure（Pa） 8×103...

In the last article, the structure and working principle of single stage vacuum pump were described. Next, we would like to introduce our two-stage vacuum pump. Our company’s best-selling double-stage vacuum pump mainly has two types: double-stage water ring vacuum pump and double-stage rot...

Many ta would like to know which is better, single-stage vacuum pump or double-stage vacuum pump. Next, I would like to introduce our company’s single-stage vacuum pump to you. Our company’s best-selling single-stage vacuum pump mainly has two types: single-stage water ring vacuum pum...

In the last article, the structure and working principle of the single-stage rotary vane vacuum pump were described. It can be seen from the article that the ultimate pressure of the single-stage rotary vane vacuum pump can only reach 1.3pa (some can reach 0.1pa). Why can’t the ultimate pre...

Our company’s hot single water ring vacuum pump 2BV2 and 2BV6 series water ring vacuum pump/compressor are mainly used to remove explosive gas and work in various flammable and explosive environments. Their performance parameters are the same as 2BV2 and 2BV5 series. 2BV series stainless st...

Two-stage water-ring vacuum pump sk-0.4, sk-0.8 and sk-1.5b water-ring pump is used to pump air and other non-corrosive, insoluble in water, not rich in solid particles of gas, in order to form a vacuum in a closed container. Inhaled gas should contain a small amount of liquid. Double stage water...

EVP vacuum technology co., ltd. is a professional vacuum pump sales, installation, maintenance of manufacturers, the company’s main water ring vacuum pump, vane vacuum pump, screw vacuum pump, roots vacuum pump,dry scroll vacuum pump, molecular vacuum pump, diffusion pump, piston pump, wate...

Dry scroll vacuum pump principle The dry compression vacuum pump operates according to the working principle of the scroll compressor. Each pump is integrated with two Archimedes screw rods, which reduces the volume of the groove and compresses the gas from the outside to the inside to create a v...