Lango GX Mechanical Diaphragm Metering Pump

Name: Lango GX Mechanical Diaphragm Metering Pump
Brand: Lango

Lango GX Mechanical Diaphragm Metering Pump.

Max flow

120–400 L/h (max.)

Max pressure

5 bar

Turndown / accuracy

—

Wetted materials

—

Protection

—

Power

—

Inquire Now Download datasheetxiongxiaoyang55@gmail.com

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

Features

Compact, energy-saving, accurate dosing
Up to 400 L/h in three models
PTFE-faced diaphragm with glass-fiber reinforced EPDM and steel core
Worm-gear reducer
PVC, stainless steel or PVDF pump heads

Specifications

Brand	high Lango
Series	GX
Series flow	120–400 L/h (max.)
Max back pressure	5 bar
Stroke rate	150 spm
Suction lift	3 mWC
Connection	DN15/20
Motor	0.25 kW, three-phase 380V, 50Hz; optional with Ex-proof motor or VFD motor
Gearbox	worm gear reducer

Applications

Water treatment

Chemical dosing

Industrial process

Materials & media

Pump head	PVC / PVDF
Diaphragm	EPDM (note), wetted PTFE

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

Controls & communication

Manual stroke	Standard
VFD motor	Optional
Explosion-proof motor	Optional

Models & specs

Model	Flow	Pressure	SPM	Power	Tube	Notes
GX120	120 L/h	5 bar	150	0.25 kW	DN15/20	13.3 ml/ stroke; suction lift 3 mWC
GX260	260 L/h	5 bar	150	0.25 kW	DN15/20	29.0 ml/ stroke; suction lift 3 mWC
GX400	400 L/h	5 bar	150	0.25 kW	DN15/20	44.4 ml/ stroke; suction lift 3 mWC