← Cables

Armored Capillary Tube For Downhole Chemical Injection

Polymer encapsulated armored tubing is applied for precise dosing of chemical reagents and their delivery with minimal losses to the required level of a downhole


Downhole chemical injection


Capillary tube


Inner jacket


Armoring steel wires incorporated into the outer jacket


Temperature ratings +140°C +284F
Tubing outer diameter 4.0 mm 0.157 in
Tubing wall thickness 0.2 mm 0.007 in
Collapse pressure 30 Mpa 4 300 psi
Burst pressure 80 MPa 11 500 psi
Outer jacket diameter 10.0 mm 0.393 in
Weight 275 kg/km 0.185 lb/ft
Minimum bending radius ×20ø

Other options available upon request.


  • Easy sealing
  • Light and robust design
  • Flexible
  • High resistance to inner and outer pressure

Supply experience