Lango EX-D Digital Diaphragm Metering Pump

Name: Lango EX-D Digital Diaphragm Metering Pump
Brand: Lango

Lango EX-D Digital Diaphragm Metering Pump.

Max flow

260–800 L/h

Max pressure

0.4–0.7 MPa (see model table)

Turndown / accuracy

—

Wetted materials

—

Protection

—

Power

AC110–240V

Inquire Now Download datasheetxiongxiaoyang55@gmail.com

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

Features

BLDC motor drive replaces VFD motors, inverters and complex PLCs
Adjustable suction speed (75%, 50% or 25%) to prevent cavitation
Flow calibration, operation history and maintenance mode
3.5-inch color LCD with status colors
ECO operation cuts power use by about 70% vs. spring-return designs
Low-pulsation, stable output
Diaphragm rupture detection
Wide voltage 100–240 VAC, UL and CE compliant

Specifications

Brand	high Lango
Series	EX-D
Series flow	260–800 L/h
Max pressure	0.4–0.7 MPa (see model table)
Power	260 W
Voltage	AC110–240V
Current	6 A
Standard piping	DN15/DN20 union (PVC)
Display	3.5 LCD

Applications

Water treatment

Chemical dosing

Industrial process

Materials & media

Liquid end	PVC / PVDF / SUS304 / SUS316 / PTFE (type no. code C/F/4/6/E)
Seal	FKM or EPDM
Diaphragm	PTFE diaphragm
Connection	flange F / hose R / U / Y

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

Controls & communication

Manual	Standard
4-20 mA analog (direct/reverse)	Standard
Pulse	Standard
Interval batch	Standard
RS485	Standard
Alarm output	Standard
Interlock	Standard
STOP level input (NPN/PNP)	Standard
12 V DC output	Standard
Auto degassing	Optional