Price range: $9,257.00 through $10,329.00
The Additel 959A Hydraulic Ultra-High Pressure Test Pump is a cutting-edge benchtop solution designed for professionals who require precise and reliable pressure calibration. Capable of generating pressures up to 40,000 psi (2,800 bar), this test pump is ideal for laboratories, industrial applications, and calibration facilities. Engineered with a robust stainless steel and aluminum construction, the Additel 959A ensures long-term durability and superior performance.
The Additel 959A is designed for professionals who need exceptional control and accuracy in pressure calibration. The fine adjust screw press allows for meticulous pressure adjustments, while the isolation valve helps maintain stable measurements by preventing leaks. With a 1.5 ml piston volume, this pump ensures efficient and reliable performance for high-pressure applications.
Ideal for calibrating test gauges, pressure indicators, and transducers, the Additel 959A is a trusted tool in industries such as aerospace, energy, and manufacturing. Its ability to handle high pressures with precision makes it an indispensable addition to any calibration lab.
Engineered with Buna-N, PTFE, copper alloy, and aluminum alloy seals, the Additel 959A is built to withstand rigorous use while maintaining peak performance. Its stainless steel ram and adapters ensure robustness and longevity, providing exceptional value to professionals in need of reliable calibration solutions.





AV-TEK / Houston Office
4123 Hollister, Suite G
Houston, TX, 77080
AV-TEK / San Marcos Office
900 Barnes Dr. Suite 200
San Marcos, TX, 78666