"Precision metering and process pumps"
German manufacturer of diaphragm metering pumps, process pumps and customized metering systems, headquartered in Leonberg near Stuttgart. LEWA was founded in 1952 by the engineers Herbert Ott and Rudolf Schestag as an engineering office for water treatment (the name stands for LEonberger WAsseraufbereitung) and has grown into a group with 14 subsidiaries, more than 100 sales partners and over 1,200 employees, about 600 of them in Leonberg. Its core is the patented sandwich diaphragm with the DPS diaphragm protection system: hermetically leak-tight, safe at start-up and with a suction capability down to 0.1 bar absolute. The programme comprises the ecodos low-pressure mechanical diaphragm pumps (also in sanitary / hygienic design), the ecoflow hydraulic diaphragm metering pumps and process pumps (up to 1,200 bar, 19 m³/h, API 675), the compact triplex process pumps, packed plunger pumps for melts and viscous fluids up to 1,500,000 mPa·s, the ecosmart multiplex metering pump, laboratory and micro-metering pumps (FC and M series with ±1% accuracy), plus skids and complete metering systems. Pumps are available for oil and gas, chemical, pharmaceutical, food and beverage, power and plastics processing duties, with explosion-proof (EX zone 1) designs. The LEWA group also markets pump brands such as Nikkiso, Pomac, Varisco and Wangen.
Industries served
Applications
Product portfolio
11+ product families. LEWA pumps are oscillating positive displacement pumps with a hermetically sealed, hydraulically (ecoflow, ecosmart, triplex) or mechanically (ecodos) actuated diaphragm and a patented PTFE sandwich diaphragm with DPS diaphragm protection. Drive units: ecodos LEB to LEG (low pressure up to 20 bar), ecoflow LDB to LDH / LDHB (hydraulic power 0.14 to 46 kW), triplex G3E to G3R (and G3U / G3T), ecosmart LCA / LCC / LCD. Pump heads: M500 (350 bar, 19 m³/h), M900 (500 bar, 6 m³/h), M800 (800 bar), M200 / M400 metal diaphragm (up to 1,200 bar, up to +200 °C), remote heads for up to +400 °C and packed plunger heads K for melts and viscosities up to 1,500,000 mPa·s. Flow adjustment by stroke length, frequency converter or servo drive; accuracy about ±1%. Micro-metering pumps: FC (laboratory, 1.5 to 65 l/h) and M series solenoid pumps MAH, MBH, MLM (0.01 to 55 l/h, up to 560 bar, range 1:1000).
ecodos, ecodos sanitary / hygienic, ecoflow, ecoflow packed plunger, ecoflow sanitary / hygienic, ecoflow process, ecosmart, triplex, triplex hygienic, FC laboratory, M micro-metering