Pipeline Closures

Pipeline ClosuresPipeline Closures from Drinkwater Products

Pipeline closures are of crucial importance in pipeline pigging. A pipeline closure must be opened up to provide access to pig trap during launch and recovery operations. Opening the pipeline closure during insertion or removal of a pig, presents a risk of gas and air mixing and resulting in an explosion. As suppliers of pipe pigs, Drinkwater Products aim to provide clients with pipeline closures that are designed to save time and improve operational safety during opening and closure of a vessel.

Pipeline closures require regular cleaning and maintenance, including greasing the hinges, sealing surfaces and O-rings in order to ensure smooth and effective operation over years of service.

Pipeline Closures from Drinkwater Products

Drinkwater Products offers a wide variety of pipeline closures manufactured from materials that meet the requirements of the American Society for Testing and Materials (ASTM), American National Standards Institute (ANSI) code and American Society of Mechanical Engineers (ASME). 

Drinkwater Products has the following options available:

  • Sizes 2” – 54”
  • ANSI Classes 150# - 2500#
  • Threaded, Yoke or Quick Open Style
  • Horizontal or Vertical
  • Standard or Flanged
  • Variety of O-ring Materials
  • Taper-bored to match pipe wall thickness
  • Compliant with all applicable pipeline design codes

Call Drinkwater Products today to get advice on the best closure for your application.


Drinkwater Products can provide replacement o-rings for new or old closures.