QXP22-008R Single Internal Gear Pump 7.9 cm³/rev 210 bar

The QXP22-008R is an internal gear pump from the QXP series by Bucher Hydraulics, purpose-built for pumping special-purpose fluids such as isocyanates, polyols, epoxy resins and additives. With an effective displacement of 7.9 cm³/rev and a continuous operating pressure of 210 bar, this pump ensures precise metering and smooth operation thanks to Bucher's special gear profile delivering extremely low pulsation.

Technical features and advantages:

• QXP series, internal gear pump for special-purpose fluids
• Effective displacement: 7.9 cm³/rev
• Estimated maximum flow rate: 10.9 l/min at 1450 rpm (volumetric efficiency ~95%)
• Continuous operating pressure: 210 bar
• Maximum speed: 1800 rpm
• Torque: 27 Nm – Power requirement: 4.0 kW at 1450 rpm
• Mounting flange ISO 3019/2 ø 63 mm 2B (metric)
• Parallel shaft end ø 20 mm to ISO/R775
• FPM (Viton) seals – PTFE shaft seal available on request
• CW rotation – non-compensated low-pulsation design
• Special sealing system to prevent air ingress
• Suitable for variable-speed drives

Typical applications:

• Polyurethane production plants
• Metering and mixing systems for chemical components
• High- and low-pressure circuits for special-purpose fluids
• Industrial processes involving isocyanates, polyols and epoxy resins