The Dolphin LT 0320 - 0510 A belong to the Busch product family of proven Dolphin Liquid Ring vacuum pumps.

The Dolphin LM / LT series is the new generation of liquid ring vacuum pumps from Busch, with all the advantages of proven technology plus additional refinements.
Dolphin LMs are single-stage vacuum pumps for rough vacuum applications from atmospheric pressure to 100 Torr ultimate pressure. Dolphin LTs are two-stage vacuum pumps and operate from atmospheric pressure to 25 Torr. The Dolphin LM / LT series is available in a total of 13 sizes, allowing an exact match to every process.
The operating fluid is usually water, but other liquids may be used if required by process conditions. Dolphin LM / LT liquid ring vacuum pumps may be operated as a simple continuous flow system, or as a partial or total recirculation system.

• Robust: proven technology, high vapor and particle tolerance
• Compact: direct flange mounted motor, no base frame required, integrated flow channel
• Flexible: application-oriented, operating fluids other than water are possible, ATEX certified version available (Cat. 1 (i) IIB, T4), corrosion-free stainless steel impeller, choice of cast iron (EN-GJL-200) or 316 grade stainless steel material housings