Overview High purity diaphragm valves are mainly used in semiconductor, natural gas, photovoltaic solar, microelectronics, liquid crystal panel, chemical, pharmaceutical and other industries. They are applicable to conditions with ultra high purity gases, corrosive gases, toxic gases, flammable and explosive fluids. FITOK has successively developed a variety of ultra high ...

FITOK products for hydrogen systems are designed to deliver the high level of safety, reliability, and high performance for on-vehicle and infrastructure applications. To ensure the high level of quality and safety for hydrogen systems, FITOK has applied a higher standard in designing, manufacturing and testing. The higher standard covers ...