API 7K——Rotary Drilling And Vibrator Hose
LT301
Application：flexible connection between the upper end of the standpipe and the top drive/swivel and between the pump and the lower end of the standpipe for pumping mud at high
Tube：NR&SBRsythentic rubber/HNBR/UPE
Reinforcement：2-6 layers of high tensile super flexible spiral steel wire or steel cable
Cover：abrasion and weather resistant synthetic rubber
Temperature Range：-20℃~+82℃（-4℉~+179.6℉） -55℃~+150℃（-67℉~+302℉）
Standard：API Spec. 7K FSL 1 FSL 2 | ABS
Connectors：integral union or integral flange
