Edwards 6” Diffstak Diffusion Pump AS IS or For Parts

Description: Compact water-cooled diffusion pump for high-vacuum applications Flange Size: 6 inch Cooling Method: Water-cooled Ultimate Pressure: < 2 x 10⁻¹⁰ mbar with cold trap Pumping Speed: Approx. 1400 L/s for air (varies slightly with model) Backing Pump Requirement: Typically rotary vane or dry pump with 15–20 m³/h capacity Heater Power: Approximately 1.2 to 1.5 kW Mounting Flange: ISO or CF options depending on configuration Construction: Stainless steel body with integral cooled baffle Variants: Available in valved and unvalved versions Features: Clean high-vacuum performance without the need for traps, compact design, rapid warm-up and cool-down Applications: High-vacuum systems in research, electron microscopy, analytical instrumentation, and semiconductor processing Please review pictures carefully and let us know if you have any questions!