LEWA process diaphragm pumps - pumppartner.com

1 LEWA process diaphragm pumps process diaphragm pumps for process engineering safe hermetically tight reliable economical up to 1200 bar LEWA process diaphragm pumps The LEWA process diaphragm pumps for high pressure process engineering are the standard for tightness in the high pressure range. Here also LEWA has set the standards and consistently further develops the diaphragm pump technology. With LEWA process diaphragm pumps even critical, toxic or inflam- Low life cycle costs: mable fluids can be conveyed safely. high overall efficiency, low Also extremely low viscosity, non- energy consumption lubricating fluids or abrasive suspen- and long service intervals sions are handled without any prob- lems.

2 The pressure range goes up to 1200 bar. The advantages of LEWA process diaphragm pump at a glance: Hermetically tight, zero leakge Metal- or PTFE sandwich diaphragms with diaphragm monitoring system Compact monoblock design or variable modular design Maximum safety: Safe dry operation and safe, even dry operation, safe overload safe against overload and equipped with dia- Sturdy and low maintenance phragm monitoring system requirements Precise conveying even at pressure fluctuations due to pressure stiff characteristic High efficiency High availability Low life cycle costs Technically at the top.

3 LEWA supplies the world's biggest process diaphragm pumps 2. Performance table Pressure up to 1200 bar Flow rate up to 0,1 180 m3/h per pump head Temperature -80 to +200 C. Viscosity from 0,1 up to mPa s LEWA triplex: monoblock design LEWA modular: variable modular design in serial and boxer design 3. High performance with minimum foot print: The LEWA drive units LEWA process diaphragm pumps LEWA modular are available in the compact LEWA. triplex series and in the segment With this very flexible programme the design LEWA modular. most different customer requirements can be met economically.

4 LEWA triplex Especially for mixture control and The LEWA triplex drive units are car- strongly varying flows ried out in monoblock design. Wide control range up to 1:100. Precise, reproducible flow setting Even at remote locations: Extremely space- and weight saving via stroke length and speed the LEWA service is available monoblock design For conveying tasks conveyed with at any time and all over the Solid, sturdy overall design metering tasks world Extremely smooth and low- Solid overall construction vibration running due to equal Up to six individual elements, even eccentric shifting different frame sizes.

5 Can be com- Sturdy friction bearings for bined eccentric and rod bolt Economic duplex- quadruplex- or Integrated worm gear and vertical sextuplex pumps in boxer design flange motor up to G3R frame size (GSB, ESB, LDHB and LGB). Low pulsation due to overlapping partial flows Precise, reproducible flow setting via speed Ready for hook-up: LEWA process diaphragm pumps and systems are supplied ready for operation and with all required interfaces High performance: compact monoblock design or variable segment design 4. Gentle conveying of a pharmaceutical dispersion, 1,3 m3/h at 800 bar 2 x G3 F electronically coupled, M400.

6 Versatile solutions: e. g. fully heated pluncher pump heads and valves for melts Example chemistry / petrochemistry: methanol injection, 8,8 m3/h at 345 bar, M500. 5. Maintain hermetic tightness: LEWA diaphragm pump heads 3. LEWA diaphragm pump allow safe and hermetically tight conveying at medium up to high pressures. LEWA diaphragm pump heads are an economical solution for a variety of metering- and conveying tasks. Environmentally damaging, danger- ous, sensitive or abrasive fluids are therefore only conveyed with zero- leakage pump today. Sandwich diaphragms with dia- phragm monitoring system are the standard design of all LEWA dia- suction stroke phragm pumps .

7 Damage of the diaphragm is reliably indicated. The 2 1 pump still remains tight and oper- ation can be continued for a limited period of time. LEWA diaphragm pumps are protected against over- load by an integrated pressure limi- ting valve. The principle shown with the example of the M 500 series: Advantages of The reciprocating plunger LEWA diaphragm pump heads transmits its displacing movement via a hydraulic fluid on the diaphragm and Highly economical the diaphragm on the fluid Hermetically tight, zero leakage conveyed. The diaphragm Durable sandwich diaphragm with separates hydraulic fluid diaphragm monitoring system and the fluid conveyed and discharge stroke Protected against overload by safely separates them from adjustable pressure limiting valve the atmosphere.

8 A dia- phragm movement control Minimum maintenance costs due in the hydraulic part of the to low-wear components pump head assures highest Absolute safe dry operation operational safety. Via the High metering accuracy by pres- snifting valve (1) in con-nec- sure stiff, linear pump charac-teri- tion with the control push stics and hydraulic degassing rod (2) the rear diaphragm Separation of hydraulic and drive position is determined and the internal leakage is reple- element oil nished. An integrated pres- Gentle conveying of sensitive sure limiting valve (3) with fluids degassing function safe- Online and offline condition guards the pump against monitoring systems for electronic overload.

9 Monitoring 6. Universal with high performance: diaphragm pump head M500. The universal series with PTFE. Performance table sandwich diaphragm suitable for practically any metering and Pressure up to 350 bar conveying application. Flow rate up to 50 m3/h per pump head Due to the revolutionary diaphragm Temperature -50 to +150 C. position control highest operational Viscosity up to mPa s safety can be achieved even for fluids difficult to handle, e. g. suspensions or highly viscous fluids. Advantages of the M500 series Universal application Insensitive to particles suitable for suspensions and high viscosity fluids Long diaphragm service life due to hydraulic diaphragm position control Hermetically tight.

10 Suction pressure safe up to diaphragm pump heads can also be used for critical, 350 bar by full rear diaphragm toxic or inflammable fluids support without problems Unobstructed flow channels in the operating chamber as diaphragm oscillates freely Internal protection against over- pressure Standard materials for wetted parts is (316 Ti) with high chemical resistance Options A high number of special designs allows to meet almost every process requirement: Special valves Many connection options diaphragm condition monitoring systems using pressure switches, pressure gauges and contact pressure gauges and pressure transmitters Heating and cooling jacket Pump heads with overall heating jacket for melts Easy clean pump heads (CIP).