KOLKATA: A day after the Directorate General of Civil Aviation belatedly ordered checks on the fuel control switches of Boeing aircraft, including B787 and B737, based on a Special Airworthiness ...

Irvine, Calif., June 23, 2025 — Researchers at the University of California, Irvine have successfully performed preclinical laboratory testing of a replacement heart valve intended for toddlers ...

Challenge: Automated valve testing Automating the end-of-line test station proved to be particularly challenging at the project planning stage. Argo-Hytos developed its own testing device for this ...

Poppe + Potthoff (P+P) has successfully completed the required tests for its hydrogen tank valves, key components of its TOPAQ hydrogen supply system. H2 View understands the TOPAQ system is designed ...

Bioprosthetic Valve Remodeling of Inspiris Surgical Valve: Bench Testing to Understand How to Optimize the Expansion Joint Using Self-Expanding and Balloon Expandable Transcatheter Heart Valves ...

Addressing the operational testing demands for high voltage and large current converter valves in the ±800 kV/8 GW flexible DC transmission MMC, a test topology is proposed.

Applewood also recommends calling a licensed plumber to do a safety check, and testing of the shut-off valve to ensure it is working properly. Once this is done, opening and closing plumbing valves a ...