Diaphragm Pumps

Double Diaphragm Pump interchanges with competitive pumps.
Diaphragm Pumps

Double Diaphragm Pump interchanges with competitive pumps.

Air driven, double diaphragm 3 in. pump provides output of 255 gpm. Aluminum pump has non-stall, lube free, and freeze resistant air system. Optional surface treatment inside and outside inhibits corrosive attack from salts. Pump has minimum of components and is easily assembled in less than 30 min. Elastomers are available to match any application.

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Double Diaphragm Pump interchanges with competitive pumps.
Diaphragm Pumps

Double Diaphragm Pump interchanges with competitive pumps.

Air driven, double diaphragm 3 in. pump provides output of 255 gpm. Aluminum pump has non-stall, lube free, and freeze resistant air system. Optional surface treatment inside and outside inhibits corrosive attack from salts. Pump has minimum of components and is easily assembled in less than 30 min. Elastomers are available to match any application.

Read More »
Metering Pumps offer manual, electric, or pneumatic actuation.
Diaphragm Pumps

Metering Pumps offer manual, electric, or pneumatic actuation.

A full range of modular metering pumps that can be supplied with manual, electric, or pneumatic actuation to meet exact customer requirements are available from AMERICAN LEWA, Inc. of Holliston, Massachusetts. LEWA Modular Metering Pumps include sealless diaphragm or sealed plunger designs available with manual, electric, or pneumatic stroke adjusters and a wide selection of drive elements....

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Metering Pumps offer manual, electric, or pneumatic actuation.
Diaphragm Pumps

Metering Pumps offer manual, electric, or pneumatic actuation.

A full range of modular metering pumps that can be supplied with manual, electric, or pneumatic actuation to meet exact customer requirements are available from AMERICAN LEWA, Inc. of Holliston, Massachusetts. LEWA Modular Metering Pumps include sealless diaphragm or sealed plunger designs available with manual, electric, or pneumatic stroke adjusters and a wide selection of drive elements....

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Metering Pumps handle CO2 at high pressures.
Diaphragm Pumps

Metering Pumps handle CO2 at high pressures.

LEWAtriplex(TM) Monoblock Metering Pumps feature leak-free, sealless diaphragm with positive displacement and low pump head volume. Capable of handling liquid CO2 at up to 10,000 psi, pumps use multi-layer PTFE- or metal diaphragm, 1 crankshaft machined to 120 deg, roller bearings on both ends for full support, and shock-resistant sleeve bearings on connecting rods. Triple-throw crankshaft drives...

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Metering Pumps handle CO2 at high pressures.
Diaphragm Pumps

Metering Pumps handle CO2 at high pressures.

LEWAtriplex(TM) Monoblock Metering Pumps feature leak-free, sealless diaphragm with positive displacement and low pump head volume. Capable of handling liquid CO2 at up to 10,000 psi, pumps use multi-layer PTFE- or metal diaphragm, 1 crankshaft machined to 120 deg, roller bearings on both ends for full support, and shock-resistant sleeve bearings on connecting rods. Triple-throw crankshaft drives...

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