QXV31-020R Single Internal Gear Pump 20.0 cm³/rev 25 bar

The QXV31-020R is a single internal gear pump from the Bucher Hydraulics QXV series, specifically engineered for pumping low-viscosity fluids. Featuring a nominal displacement of 20.0 cm³/rev and a maximum operating pressure of 25 bar, this single-stage pump (pressure range 1) delivers volumetric efficiency up to 98% even at viscosities around 0.8 mm²/s.

Technical features and advantages:

• QXV series, internal gear pump for low-viscosity fluids
• Nominal displacement: 20.0 cm³/rev
• Maximum flow rate: 60.0 l/min at 3000 rpm
• Maximum operating pressure: 25 bar (pressure range 1, single stage)
• Maximum speed: 3000 rpm
• Oval 2-hole flange to ISO 3019/1 (SAE), size SAE A ø 82.55 mm 2B
• Cylindrical shaft ø 25 mm to ISO/R775
• Seals: VITON (FPM), right-hand rotation
• Volumetric efficiency up to 98%, extremely low noise levels
• Suitable for ATEX-compliant explosion protection (Ex II 3G T3/T4)

Typical applications:

• Test rigs for diesel injection nozzles
• Fuel pumps for gas turbines
• Lubrication systems for spindle bearings
• Processing systems with HFA fluids and kerosene