Weinman®-Deming® single stage split case pumps are certified for NSF 61/372. They meet the industry's highest standards for drinking water and comply with the federally mandated Safe Drinking Water Act (SDWA). Weinman®-Deming® NSF split case pumps are recognized for their sophisticated hydraulic design, extensive hydraulic coverage, high efficiencies and rugged construction. Weinman®-Deming® single stage split case pumps are available in standard sleeveless design and optional sleeved design. All Weinman®-Deming® split case pumps feature FDA approved mechanical seals and lead free materials of construction that make them the preferred pump for drinking water applications.