Internal Locking Band Type

Q.O.C. Fulg-o-lock^TM

The closures Fulg-o-lock^tm are engineered, designed and manufactured in accordance with the most stringent international standards applicable to pressure vessels for oil, gas and petrochemical industry in general, but the revolution is represented by integrated services in order to ensure the best performance during throughout the life cycle of the product.. Its capability of being disassembled by means of just one single bolt, allowing the installer to perform the heat treatment to the vessel without critical parts in a matter of minutes, in the same way it is of big help for maintenance purposes on the field increasing considerably the device lifetime. Contact us and apply for the installation manual.

• No cyclic movements required. The strongest assurance that no threads nor gears will be in trouble for rust or any other reason during the entire life cycle of the device.
• The Fulg-o-lock^tm closure locking mechanism is a conical ring fitted between the door and neck which transmits loads uniformly to the full 360° circumference of the neck.
• The patented locking mechanism incorporates a hand operated pressure warning device which prevents the door being unlocked until there is no residual pressure inside the vessel.
• The Fulg-o-lock^tm closure utilizes a purpose designed servo acting double edged lip seal which energizes at zero pressure. The seal provides a full vacuum capability.
• There are no "in-pressure" bolting on the The Fulg-o-lock^tm closures.
• The closure necks and d oors are manufactured from plates or forged materials which comply with the requirements of NACE MR 01-75, and therefore, HIC or SSCC tests are not included.