Capillary Tube

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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

Application

Downhole chemical injection

Capillary tube

Inner jacket

Armoring steel wires incorporated into the outer jacket

Parameters

Temperature rating	+90°C +125°C +140°C	+194°F +257°F +284°F
Tube inner diameter	3.6 - 7 mm	0.118 - 0.275 in
Outer jacket diameter	10.0 - 17.0 mm	0.393 - 0.669 in
Inner operating pressure	from 20 MPa	from 2 900 psi
Minimum bending radius	x 20D

Design options [+]

Inner polymer or stainless steel tube

Materials [+]

Tube: stainless steel 304, 316L, Incoloy, Inconel
Armor wire: GIPS (galvanized improved plowed steel) or GEIPS (galvanized extra improved plowed steel), stainless steel or specialty Ni-based alloys for higher corrosion resistance
Jacket: PP, PE

Other options available upon request.