NFK flexible hoses have outstanding flexibility of motion and resistance to heat, pressure and earthquakes. They support a wide range of gas and liquid transport lines for transporting substances such as air, steam, gases, water, oils and chemicals. High Pressure Gas Safety Act (KHK) is a Japanese law to protect public safety. High pressure gas includes inflammable gas and toxicity gas. NK-HPG Flexible Hose For High Pressure Gas has good intensity and endurance and it can correspond to KHK law.