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The First  100% Coatable Connection
This is a Position Make-Up Connection


Thousands of Strings in Service

Field proven in highly corrosive environments. Service companies are familiar with this connection and can quickly provide accessories.

API 8 Round Thread

Provides an economical connection for severe corrosive environments. Most API licensed facilities can thread accessories.

Sealing System

A close tolerance coupling and LubeLock thread compound provides an excellent gas–tight connection.

PTFE Center Ring

Provides a flush bore and a continuous corrosion barrier when used with a standard API bullet nose end finish.

This connection is also available in casing sizes using Buttress, 8 Round, LTC & STC threads

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