← our products

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 application


Capillary tube


Galvanized steel wire armor


PP encapsulation (jacket)


OPTIONS Metric US Units
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

Materials [+]

Tubing and armor: stainless steel 304, 316L and alloy 825
Encapsulation: PP, HDPE, PA, ETPE, FEP, PFA

Other options available upon request.


  • High resistance to inner and outer pressure
  • High resistance of outer jacket to temperature up to 140°C (284°F)
  • High resistance to harsh environment
  • The standard range includes stainless steel 304, 316L and alloy 825.

Structural health monitoring
Bridges, Rail Roads, Soil Movements, Geothermal

Pipeline leak monitoring

Fire Detection

Supply Experience