Rotary Drilling/Vibrator Hose Tube: NBR, specially compounded for handling abrasive, corrosive and oily drilling mud Reinforcement: Multiple layers of polyester cord over tube, high tensile steel cables. Cover: NBR, Specially compounded, resistant to abrasion, corrosion, cutting, gouging, oil and weather. Application: Flexible Connection between standpipe and swivel(Rotary Drilling) or between pump and standpipe(Rotary Vibrator) for pumping mud at extra high pressure in oil drilling and exploration work. Fitting: Hammer Unions, API Male End, Flanges Attachment: Safety Clamp & Chain Applicable Standard: API Spec 7k/ISO14693