Pigging Valves

Pigging Valves

Pigging Valve

MSEC Pigging Valves

Lower Surface Footprint | Lower Piping Fabrication Cost | Lower Service/Maintenance Cost | Ease of Operation | Significantly Lower Emissions

What is Pigging: Pigging involves inserting pigs or scrapers into a pipeline to conduct interior repairs. PIG means "Pipeline Intervention Gadget." "Pigs" sweep and examine pipelines mechanically. Differential pressure from a faster-moving process fluid moves the pig (or scraper) through the pipeline. "Pig launcher" (or launching station) is a portion of the pipeline with an enlarged diameter to accommodate the pig. The launching station is then closed, and the pipeline's pressure-driven flow moves the pig to the reception trap, where it may be retrieved. Pipeline pigs are used everyday for a number of purposes, including pipe cleaning for increased line efficiency, detecting flow obstacles, pipeline inspection, separating various goods running through the pipeline, corrosion control, air purge, water removal, and flow volume validation.

Pigging has been used effectively to scour oil and gas pipelines for years. Many continuous and batch processing companies are using smaller diameter pigging devices to boost productivity and save expenses.

Over 50 years ago, pig valves were introduced to the oil and gas sector. In Western Canada and the U.S., they're employed on oil and gas pipelines. They make launching and retrieving pigs in the oil and gas sector, water treatment plants, and other places easier.

Download the TVC Pigging Valve Catalog

TVC Pigging Valve Features

  • Engineered, manufactured and tested to API 6D
  • Industry Standards: API 6D, ASME B16.34 and API 598
  • Meets NACE MR0175-03
  • Size range: 2” – 16”
  • Pressure Classes: ANSI Classes 150 to 1500
  • Standard temperature range: -20 to 300 deg. Fahrenheit
  • Special Order range: -50 to 400 deg. Fahrenheit
  • Materials: LF2, 316 SS, and Exotic Alloys as required
  • Seals: HSN, HNBR, James Walker, Viton, Teflon, Devlon Peek or as required
TVC Pigging Valve

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