Tube：NBR
Reinforcement：4 layers of high tensile super flexible spiral steel wire
Cover：high temperature and fire resistant synthetic rubber
Protective Layer：stainless steel armor
Temperature Range：-45°C~+100°C (-49°F~+212°F) Fire resistance meets API Spec. 16D, 704°CX5min
Standard：API Spec. 16D | Lloyds

Tube：UPE
Reinforcement：4 or 6 layers of high tensile super flexible spiral steel wire or steel cable
Cover：abrasion and weather resistant synthetic rubber
Temperature Range：-20°C~+82°C (-4°F〜+179.6°F)
Standard：API Spec. 7K FSL0 | ABS
Connectors：integral union or integral flange

Tube：NR&SBRsythentic rubber/HNBR/UPE
Reinforcement：4 or 6 layers of high tensile super flexible spiral steel wire orsteel cable
Cover：abrasion and weather resistant synthetic rubber
Temperature range：-20°C~+82°C (-4°F~+179.6°F) -55°C〜+150°C (-67°F〜+302°F)
Standard：API Spec. 7K FSL0 | ABS
Connectors：integral union or integral flange

Tube：HNBR
Reinforcement：4-6 layers of high tensile super flexible spiral steel wire or steel cable
Cover：high temperature and fire resistant synthetic rubber (resistant to 704 °C open fire for 30 minutes)
Protective Layer：stainless steel armor
Temperature Range：-55℃~+150℃（-67℉~+302℉）
Standard：API Spec. 16C FSL0 FSL1 FSL2 FSL3 | ABS