Contingency Cap


For applications that require a contingency option. The operator may remove the vent cap top subsea and install an emergency cover.

Vent Cap (Hatch Valve)


Premium Subsea pioneered the Vent Cap used on suction piles.  Its simple design is easily operated and can be tested on the dock. No special ROV tooling required.  Vent caps are available for bore diameters from 8" to 52" - handling a wide range of differential pressures.  


suction port, stinger, and plug


Premium's Suction Plug incorporates the same testable seal design used in the Vent Cap. It utilizes a standard 6 inch bore.

PREMIUM SUBSEA     346-226-4027   

Tomball, TX  77377  

 James Mohrfeld, President 713-256-4190                                                                          

​                                                                                                                                                                                                                                                 

    PREMIUM SUBSEA


custom products and service


Premium will tailor designs to meet project needs. We specialize in subsea foundations for Mooring, Oil & Gas, Wind Energy applications.

Designed and Manufactured in U.S.A.

ISO 9001: 2015 Certified

​ABS Type Approved Product Manufacturer