Pfeiffer Vacuum has introduced what it believes is the world's first ATEX certified Roots pumps with a magnetic coupling.
R+L Hydraulics' NRS hydraulic equipment noise emissions reduction system consists of a textile shrouding for hydraulic unit bell housings. The system can reduce acoustic output by up to 50 percent - equivalent to about 10dBA.
Bürkert Fluid Control Systems has introduced the 3003 and 3004 model electrically operated actuators, which offer fast and reliable control and are designed to support many applications from 20Nm up to 100Nm.
Cat Pumps has announced enhancements to one of its 345bar high pressure pumps used extensively for pressure testing, heavy-duty pressure washing including graffiti removal and in industrial processes.
Dynamic seals in pumps can be basic or works of great ingenuity. However, since almost all seals utilize the process liquid to lubricate the seal faces, they are fundamentally designed to leak. Torque to overcome a dry running seal is two to three times that of a lubricated seal.