Milton Roy LMI D Series Solenoid Diaphragm Metering Pump

Name: Milton Roy LMI D Series Solenoid Diaphragm Metering Pump
Brand: Milton Roy

LMI D Series solenoid-driven diaphragm metering pumps: flow up to 90 L/h, pressure up to 18 bar (brochure headline; see model table). Manual/auto speed control, stroke adjustable while running, ±2% steady-state accuracy (10–100% flow).

Max flow

up to 90 L/h (; inside D-14/74/94 max. 90 L/h)

Max pressure

up to 18 bar (; inside type no. max. pressure see, single kg/cm²)

Turndown / accuracy

±2% (10–100% flow range)

Wetted materials

—

Protection

—

Power

AC 230V 50Hz single-phase; power consumption approx. 100 W; "9" series can automatic control (e.g. 4–20 mA)

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

Flow up to 90 L/h; pressure up to 18 bar (brochure headline)
Solenoid-driven mechanical diaphragm; fewer moving parts
Manual/auto speed control; stroke adjustable while running
PTFE-faced Hypalon composite diaphragm
0–100% capacity adjustability running or stopped
±2% steady-state accuracy (10–100% of rated flow); max suction lift 1.5 mWC

Specifications

Flow	up to 90 L/h (; inside D-14/74/94 max. 90 L/h)
Max pressure	up to 18 bar (; inside type no. max. pressure see, single kg/cm²)
Drive	solenoid drive mechanical diaphragm
Accuracy	±2% (10–100% flow range)
Max suction lift	1.5 m water column
Power	AC 230V 50Hz single-phase; power consumption approx. 100 W; "9" series can automatic control (e.g. 4–20 mA)
Liquid ends	PP / PVC / PVDF; valve ball ceramic; diaphragm TEFLON FACED HYPALON
Brand	m LMI / Milton Roy LMI

Applications

Municipal & industrial water treatment dosing

Cooling tower / boiler chemical feed

General industrial chemical metering

Materials & media

Ask for wetted-parts details or check the brochure.

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

Controls & communication

Power

AC 230V 50Hz single-phase; power consumption approx. 100 W; "9" series can automatic control (e.g. 4–20 mA)

Models & specs

Model	Flow	Pressure	Notes
D-11 / D-71 / D-91	0.1–12 L/h	9 kg/cm²	connection 1/2"×3/8"; weight approx. 8.5 kg (plastic)
D-12 / D-72 / D-92	0.15–17 L/h	7 kg/cm²	connection 1/2"×3/8"
D-13 / D-73 / D-93	0.25–35 L/h	4 kg/cm²	connection 1/2"×3/8"
D-14 / D-74 / D-94	0.6–90 L/h	1.5 kg/cm²	connection 1/2"×3/8"; series max flow point; weight approx. 9 kg