LEWA MAH, MBH, MLM Micro-Metering Pumps

Name: LEWA MAH, MBH, MLM Micro-Metering Pumps
Brand: LEWA

LEWA MAH/MBH/MLM micro-metering pumps: hydraulically actuated metal diaphragm with solenoid actuator for extremely small flows. Per lewa.com: ~0.01–55 L/h, ~1–560 bar; control range up to ~1:1000.

Max flow

approx. 0.01–55 L/h (depends on model / Ex-proof configuration)

Max pressure

approx. 1–560 bar

Turndown / accuracy

approx. 1:1000

Wetted materials

—

Protection

—

Power

—

Inquire Now Download datasheetxiongxiaoyang55@gmail.com

Best for: verifying flow/pressure and control interfaces against your dosing duty (Solenoid Diaphragm Pumps). Confirm chemical compatibility and install constraints before ordering — inquire for help.

Features

Metal diaphragm + solenoid actuator
Extremely wide turndown ~1:1000
Vacuum / odor-tight hermetic design
Metering accuracy ~±1%
MLM integrated hydraulic relief valve
Ex / non-Ex solenoid variants

Specifications

Flow range	approx. 0.01–55 L/h (depends on model / Ex-proof configuration)
Discharge pressure	approx. 1–560 bar
Control range	approx. 1:1000
Accuracy	approx. ±1%
Brand	LEWA

Applications

Natural gas odorization

Oil & gas proportional dosing

Additive micro-supply

Inline color/viscosity/pH control loops

Energy & utilities micro-metering

Materials & media

Ask for wetted-parts details or check the brochure.

Common chemicals: NaOCl, acids, alkalis, polymers — confirm compatibility when inquiring.

Controls & communication

Control range

approx. 1:1000

Models & specs

Model	Flow	Pressure	Notes
MAH	approx. 0.01–1.6 L/h	approx. 1–50 bar (depends on Ex-proof configuration)	drive single
MBH	approx. 0.07–2.4 L/h	approx. 1–75 bar (depends on Ex-proof configuration)	drive single
MLM	approx. 0.01–55 L/h	approx. 1–560 bar	Ex; incl. hydraulic relief valve