All cylinders with a threaded necking are required to have cylinder handles in place when being stored full or empty. Designed to meet the following standards GB/T19001-2016/ISO9001, and the related products also passed TUV test according to ISO11117-2008 standard. These standards are used to ensure these caps have the durability to withstand cylinder falls and keep the valve protected Cylinder valve protection is paramount when moving or storing a cylinder. Product: Portable Gas Cylinder Handle Application: Protection of valve guard during transportation Raw material : SPHC hot-rolled steel or carbon steel as per required Thread : W80-11,W3-1/8-11,W3-1/8-7,W3-1/2-11,W3-1/2-8,M120-11,W95 Technical Process: Stamping and welding Surface treatment: Airless blast ,Galva…