QXV34-012R179 Single Internal Gear Pump 12.6 cm³/rev 150 bar

Engineered for high-pressure applications with low-viscosity fluids at elevated temperatures, the QXV34-012R179 is a multistage internal gear pump from the Bucher Hydraulics QXV series with 4 stages connected in series, equipped with option 179 for high-temperature operation (up to 160 °C). Its nominal displacement of 12.6 cm³/rev and maximum pressure of 150 bar make it particularly suited for demanding industrial and aerospace applications.

Technical features and advantages:

• QXV series, internal gear pump for low-viscosity fluids
• Nominal displacement: 12.6 cm³/rev
• Maximum flow rate: 42.8 l/min at 3400 rpm
• Maximum operating pressure: 150 bar (pressure range 4, 4 stages in series)
• Maximum speed: 3400 rpm
• Option 179: operation up to 160 °C (fluid temperature)
• Multistage construction for progressive pressure build-up
• 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
• SAE3000 pressure port for high-pressure service
• Suitable for ATEX-compliant explosion protection (Ex II 3G T3/T4)

Typical applications:

• High-pressure test rigs for diesel injectors
• Hydraulic circuits with low-viscosity oils at high temperatures
• Aerospace fuel pumping systems for kerosene and Jet A1
• High-power industrial welding equipment