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d-500-threaded-closure

With just four main parts — the door, pressure warning lock, primary O-ring seal and barrel collar — the D500 threaded closure is reliable, easy to operate and economical. It is often preferred for smaller lines and when less frequent access to the pig trap is needed. 

Specifications

  • 2-inches through 14-inches.
  • Hingeless 2-inches through 8-inches.
  • Horizontal hinges 10-inches to 14-inches.

Key Features

  • Equipped with a pressure warning lock to alert operators to the presence of internal pressure prior to opening the closure.
  • Optional maintenance kit helps ensure smooth operation over years of use.

Common Applications

  • Providing access to smaller diameter pipelines for equipment such as in-line inspection pull-through nozzles.

With just four main parts — the door, pressure warning lock, primary O-ring seal and barrel collar — the D500 threaded closure is reliable, easy to operate and economical. It is often preferred for smaller lines and when less frequent access to the pig trap is needed. 

Specifications

  • 2-inches through 14-inches.
  • Hingeless 2-inches through 8-inches.
  • Horizontal hinges 10-inches to 14-inches.

Key Features

  • Equipped with a pressure warning lock to alert operators to the presence of internal pressure prior to opening the closure.
  • Optional maintenance kit helps ensure smooth operation over years of use.

Common Applications

  • Providing access to smaller diameter pipelines for equipment such as in-line inspection pull-through nozzles.