Optos precision, high pressure metering pump model 3LM:
- Flow rate 0.01 – 10 mL/min
- Maximum pressure 3000 psi
- Material of construction 316 SS
- PEEK – model 3LI
Flow Rate* (mL/min): 0.01 to 10
Max. Pressure (psi): 3000
Piston Diameter (in.): 3/32
Piston Stroke (in.): .500
Wetted Parts: type 316 stainless steel, sapphire, ruby, graphite fiber reinforced PTFE, CTFE.
Reproducibility: typically +/-0.3%
Viscosity Limit: 500 centipoise
- Inlet valves: 1/4″-28 low pressure plastic fitting for use with 1/8″ plastic tubing (fitting and 60cm of tubing provided with pump).
- Outlet valves: 10-32 tube nut, ferrule for use with 1/16″ tubing (tube nut and ferrule provided with pump).
- Valves with special fittings available on request.
Remote Control Options:
- Voltage: 0-5VDC
- Current Loop: 4-20 mA
Dimensions (DxWxH): 28 x 10 x 23.5 cm (11 x 4 x 9.25 in.)
Weight: 5.3 kg (11.75 lbs.)
- Voltage/Frequency: 100-230VAC (?10%); 50/60Hz
- VA rating: 80
- Fuse: 0.8 A
*Maximum flow rate specifications are based on theoretical volume displacement; actual flow rates will vary depending on such factors as fluid viscosity, compressibility and temperature.
Preventive Maintenance Kits
#5918: Includes two graphite fiber reinforced PTFE piston seals, tools for installation, two valve cartridges, one retainer, a sintered stainless steel filter.
#5911: Piston seal assembly kit; includes one graphite fiber reinforced PTFE seal, and tools for installation.
#5912: Piston seal replacement kit; includes two graphite fiber reinforced PTFE seals.
#5913: Piston seal replacement kit; includes five graphite fiber reinforced PTFE seals.
#1369: Inlet valve assembly, cartridge style, 1/4″-28 fitting.
#1372: Outlet valve assembly, cartridge style, 10-32 fitting.
#1373: Inlet valve assembly, cartridge style, 1/8″ Swagelok style fitting.
#1374: Outlet valve assembly, cartridge style, 1/8″ Swagelok style fitting.
#1371: Inlet valve assembly, cartridge style, 10-32 fitting.
#1370: Outlet valve assembly, cartridge style, 1/4″-28 fitting.
#1381: Valve cartridge kit (rebuilds one inlet or one outlet valve).
#5819: 3/32″ sapphire piston.
Liquid End Assembly
#5902: Includes inlet and outlet valve assemblies, cylinder, piston seals and retainer. Piston not included.
#5988: Includes 60 cm of 1/8″ Teflon inlet tubing, inlet (1/4-28) and outlet (10-32) tube nuts, and outlet ferrule.
#5776: 10 micron sintered stainless steel filter, with 60 cm long Teflon inlet tube and tube nut.
#5899: Retainer/wash assembly.
For other parts, consult factory
Download product brochures and documentation from our Support page.