The Type E-C choke is an industry-standard hydraulic drilling choke that has become a work-horse throughout the drilling industry. This choke uses a standard tungsten carbide gate and doughnut-shaped seat and can be easily serviced all over the world due to its use of parts that are interchangeable with other manufacturer's designs.

Type E-S Choke

The Type S choke is another industry-standard hydraulic drilling choke. This choke uses two rotating carbide disks to control flow in the well bore. Like the Type C, this choke is manufactured with parts that are interchangeable with other manufacturer's designs

Adjustable and Positive Chokes

The E-H2 choke is available in adjustable and positive versions. These chokes are made to industry-standard design specifications, and replacement parts can be found anywhere in the world.