VENT CAPS

• Premium’s patented Vent Caps are simple, reliable, and easy to operate
• Only one function, stem rotation, is required for closure
• T-Handle or D-Handle Stem is easy for ROV to engage and operate
• Triple or Double seals can be tested Anywhere / Anytime before launch
• Positive ID-OD O-ring seal – sealing force increases as pressure increases
• Reliable seal is independent of water depth. 
• Vent caps can be operated in any orientation, vertical or horizontal
• Contingency cover available for risk mitigation
• Self-contained anodes along with epoxy coating for 30+ year life
• Full material traceability provided in Manufacturing Record Book
• Specialty trims, coatings, materials, and configurations available to meet user requirements
• ABS type class approval on PS series (PD series in process)

Premium’s “PS.2” series Vent Caps are available for bore diameters from 12” to 52” and pressure ratings up to 18 Bar (261 psi). ABS Type-Class Approved

• Bi-directional triple seal – testable Anywhere / Anytime before launch
• D-Handle ROV interface – Easy ROV wrist grip with no additional tools
• Upgraded Guide System and Flange geometry – Reduces operational torque and provides 20% greater flow area than prior-generation models
• Single-function center Rising Stem operation
• Integral Cathodic Protection
• Test Ports on Closure Plate –Eliminates need for on-pile flange orientation
• Upgradable materials available

PATENT  9,458,595 and 11,136,092