These compact multi-stage venturi vacuum pumps need only 45 psi air pressure but provide the same holding capacity as conventional pumps requiring 80 to 100 psi. Called Air-Miser MSP-AM Series pumps, they are offered in five sizes from 0.06 to 0.64 SCFM @ 24 in. Hg and are suitable for a variety of automation applications. The air-driven pumps are made of anodized aluminum, have brass nozzles, and can be supplied with a wide range of options. Designed to be safer and quieter than conventional venturi-style pumps, they are priced from $115.
Anver Corp., Hudson, MA; 800-654-3500