Optos precision, high pressure metering pump model 3SI:
- Flow rate 0.01 – 20 mL/min
- Maximum pressure 1500 psi
- Material of construction PEEK
Flow Rate* (mL/min): 0.01 – 20
Max. Pressure (psi): 1500
Piston Diameter (in.): 1/8
Piston Stroke (in.): .500
Wetted Parts: PEEK, sapphire, ruby, UHMW polyethylene, inert polymers.
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: 1/4″-28 plastic fittings 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
#5924: Includes two UHMW polyethylene seals, tools for installation, two valve cartridges, one retainer, a filter.
#6007: Piston seal assembly kit; includes metal-free seal and tools for installation.
#6008: Piston seal replacement kit; includes two metal-free seals.
#6009: Piston seal replacement kit; includes five metal-free seals.
#1377: Inlet valve assembly, cartridge style.
#1378: Outlet valve assembly, cartridge style.
#1383: Valve cartridge kit (rebuilds one inlet or one outlet valve).
#5820: 1/8″ sapphire piston.
Liquid End Assembly
#5906: Includes inlet and outlet valve assemblies, cylinder, piston seals and retainer. Piston not included.
#5987: Includes 60 cm of 1/8″ Teflon inlet tubing, inlet (1/4-28) and outlet (1/4-28) tube nuts, and outlet ferrule.
#1279: 10 micron plastic filter, with 60 cm long Teflon inlet tube and tube nut.
#5897: Retainer/wash assembly.
For other parts, consult factory
Download product brochures and documentation from our Support page.