Samson Controls The air output capacity required to achieve fast positioning in large actuators (diaphragm areas of 1,400–2,800 cm2) is too much for normal positioners, and so positioning accuracy can be compromised. A solution to this problem is a control-valve…
AtlasCopco Compessors A prominent design feature of ZS Series blowers (photo) is their application of rotary screw compression technology. The rotary screw concept helps the blower to operate at efficiencies 35–40% higher than traditional tri-lobe blowers at a compression ratio…
The three-chambered configuration of the Flojet Triplex Series high-pressure, self-priming pump operates at flowrates up to 1.4 gal/min (5.3 L/min) and operating pressures up to 150 psi (10.3 bar). Their molded diaphragms virtually eliminate potential leakage paths, says the company.…
Eight different pump sizes encompass the new Dolphin LS Series of liquid-ring vacuum pumps. The single-stage liquid-ring vacuum pumps in block construction achieve ultimate pressures of 33 mbar, and have suction capacities over the range of 25 to 455 m3/h.…
A new line of Krombach Metal Seated Ball Valves features machining of the ball and seat to such high tolerences that ball-and-seat lapping does not have to be performed individually for each valve. The tight tolerances make the ball and…
Tideflex Technologies The CheckMate inline check valve (photo) is ideal for backflow prevention and odor mitigation. The valve’s unique elastomer fabric-reinforced design provides a proven record of maintenance-free performance and cost savings. The CheckMate has an extremely low headloss, so…
Edwards This firm has expanded its iXY family of magnetically levitated turbomolecular pumps with the introduction of the STP-iXA2206 and STP-iXA3306 pumps (photo). Developed for solar, glass-coating, semiconductor and LCD-etch applications, the new pumps are fully integrated vacuum pumps that…
Available in galvanized steel, stainless steel and brass, Nilos rings (photo, p. 64) safeguard ball and roller bearings from the corrosive effects of abrasive particles and debris. The rings can be specified in a wide range of sizes to seal…
The HiPace line of compact, powerful turbopumps (photo) offers pumping speeds of 10 to 700 L/s. The pumps feature an improved rotor design that give both high pumping speeds and high gas throughputs, along with very good compression for light…
This firm specializes in the fabrication of stainless-steel process equipment for the chemical and pharmaceutical industries. For example, it has designed and built a 22-m3 reactor vessel with the following features: double-coated cooling, double mixer; distribution of nitrogen, diffuser for…