- Pig Valves

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ITAG - Pig Valves

ITAG pig valves allow launching and receiving of pigs with a length up to 1,4 x inner pipe diameter.The advantage of ITAG pig valves in comparison with conventional pig traps is the simple operation and line system as well as less weight and less space requirements.

ITAG offers three diffferent types of pig valves:
Type 'PC' for cleaning pigs, without by-pass
The ball bore of the pig valve type PC is approx. 25% larger than the inner diameter of the pipe connection. Thus the flow is not blocked when the pig has arrived and transported dirt can be flushed to a successive dirt separator. In closed position the pipeline is blocked.

Type 'PB' for cleaning pigs, with integrated by-pass
The ball bore of the pig valve type PC is approx. 25% larger than the inner diameter of the pipe connection (like type PC). Thus the flow is not blocked when the pig has arrived and transported dirt can be flushed to a successive dirt separator. But contrary to type PC the pipeline is not blocked when the valve is in closed position. The flow will be sustained by by-pass channels, integrated in the valve’s ball.

Type 'PS' for seperating pigs
The diameter of the ball bore is so designed, that the flow is blocked when the pig has arrived. Thus batches can be separated. In closed position the pipeline is blocked, too. As a standard, the pig valve type PS is designed for spherical separation pigs. On request a version for special cylindrical separation pigs is available.

Technical Characteristics (all types)
The valve can be disassembled without special tools, which allows maintenance and repair of the valve’s inner parts. Due to the top entry design there is no need to remove the valve from the pipeline.

Pressure Ratings/Nominal Sizes
Standard product range:

Features

Design Features

  • flanged ends
  • body material: carbon steel (other materials on request)
  • trim material: 13% chromium steel (other materials on request)
  • pig trap closure with safety locking device
  • trunnion mounted ball
  • soft or metal seated
  • anti blow-out stem
  • double-block-and-bleed
  • drain port
  • anti-static design
  • firesafe desig
  • suitable for sour gas service (NACE / ISO 15156)

Optional Equipment

  • actuator: manual, electric, hydraulic or pneumatic
  • secondary sealant injection for stem and seat rings

ITAG Celle
ITAG Celle
Itagstraße 5-17
Celle 29221

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