High Pressure Fire/Flame Resistance Hydraulic Rubber Hose Construction: High pressure steel wire spiraled rubber hose, covered with fire resistant pain coat, steel wire braided layer, and antiflaming layer. Temperature range: 275F to 325F. Application: Â It is mainly used in high temperature surroundings and in conditions having heat source or heat radiation source, such as oil field well-control, metal smelts, and chemical industry.