Series of compact and simple multi-stage venturi vacuum pump has been developed in the United States, Anver Corp. professional vacuum pump manufacturers. It requires only 45 psi of air pressure but can provide the same pump capacity that previously required 80 to 100 psi. According to the company, Anver's Air-Miser MSP-AM series of multistage pneumatic vacuum pumps are now available in five models, from 0.06 to 0.64 SCFM and are capable of operating normally at 45 psi (3.1 bar). The pressure required is approximately Half of ordinary Venturi pump. This pump is made of anodized aluminum and has a brass nozzle, and this product is available in a wide range of options to meet specific needs. They are well suited to the needs of automated operations. Anver said sub-pumps deliver a 100% load factor, which is equivalent to that of a much larger pump and safer and less noisy than a traditional venturi pump. Their volume size is 3.78 inLx1.26 inWx98 inH (96 mm x 32 mm x 24.9 mm, including a 2.76 in. Of lx. 76 inW (70 mm x 24 mm) silencer, and it also offers adapters for G-to-NPT accessory devices.
