Duoline Products

High end DUOLINE® systems are now used worldwide where previously only high cost corrosion resistant alloy steels such as stainless steel or titanium were used in high temperature downhole applications.

Choose from the categories listed below:

Premium Connections

API Connections

Other Duoline Products

Choose from the categories listed below:

RiceWrap®

DL-Ring®

Thermoline®

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Pipeline Club Login
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Duoline Literature in PDF Format:

Duoline 20 API Connection
Duoline 20 API Slip Sheet
Duoline 20 API Brochure

Duoline 20 Premium Connection
Premium Connection Slip Sheet
Duoline 20 Premium Brochure [PDF]

Duoline Connection Options
Review all available Duoline Connection Options

Duoline DL-Ring
DL-Ring Slip Sheet

DL-Ring + Premium Connection
DL-Ring Testing Slip Sheet

Thermoline®
When Do you Need Thermoline?
Download the slip sheet.

Hydro Testing
Hydrostatic (Bar) Testing of Duoline Products prior to or during installation is acceptable and successful testing can be, and has been, achieved in numerous situations when certain criteria are adhered to, as specified here.