Laboratory peristaltic pump Masterflex® L/S® EW-77931 series

Masterflex L/S Air-Powered Pump Systems System includes regulator with 5-micron air filter and 1/4" NPT(F) connection, automatic lubricator, 0 to 30 psi pressure gauge, and muffler Vary speed by adjusting air pressure with regulator The 1/3-hp air motor requires little maintenance; air motor generates less heat than electric motor Painted steel housing is IP44 rated; protects from gentle water spray Drive meets EU machine directive requirements for CE compliance; conforms to European design/manufacturing standards Note: ATEX systems do not include tubing; select tubing to be compatible with fluid being pumped and application conditions