Optos precision, high pressure metering pump model 3HMH:
- Flow rate 0.04 – 80 mL/min
- Maximum pressure 750 psi
- Material of construction Hastelloy C
Flow Rate* (mL/min): 0.05 – 80
Max. Pressure (psi): 750
Piston Diameter (in.): 1/4
Piston Stroke (in.): .500
Wetted Parts: Hastelloy-C, sapphire, ruby, graphite fiber reinforced PTFE, CTFE.
Reproducibility: typically +/-0.3%
Viscosity Limit: 500 centipoise
- Inlet valves: 1/8″ Swagelok style connection for use with 1/8″ tubing (tube nut and ferrule provided with pump).
- Outlet valves: 1/8″ Swagelok style connection for use with 1/8″ 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.
#5944: Piston seal assembly kit; includes one graphite fiber reinforced PTFE seal, and tools for installation.
#5945: Piston seal replacement kit; includes two graphite fiber reinforced PTFE seals.
#5946: Piston seal replacement kit; includes five graphite fiber reinforced PTFE seals.
#6045: Inlet valve assembly, cartridge style, 1/8″ Swagelok style fitting, Hastelloy-C
#6046: Outlet valve assembly, cartridge style, 1/8″ Swagelok style fitting, Hastelloy-C
#6047: Valve cartridge kit (rebuilds one inlet or one outlet valve).
#5821: 1/4″ sapphire piston.
Liquid End Assembly
#6079: Includes inlet and outlet valve assemblies, cylinder, piston seals and retainer. Hastelloy-C. Piston not included.
#6083: Retainer/wash assembly – Hastelloy-C.
For other parts, consult factory
Download product brochures and documentation from our Support page.