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DQSV Pigging Valve
DQSV · Shutoff & isolation

Pigging Valve

A pigging valve for removing deposits and accumulated liquid from pipeline systems. Confirm pipeline size, medium, connection, sealing and operating requirements for the pigging arrangement.

SIZE RANGEDN50 ~ DN1200
PRESSURE RATINGPN16 ~ PN100
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Confirm the selected configuration and operating limits with DQSV before ordering.

Pigging Valve specifications
Nominal DiameterDN50 ~ DN1200
Nominal PressurePN16 ~ PN100
Temperature-29°C ~ 150°C
Applicable MediumNatural gas, oil products, water
Operation ModeManual / worm gear
ConnectionFlanged
Sealing TypeMetal hard seal / elastic seal
StandardAPI 6D / GB/T 19672

Product views

Pigging Valve — Front view
Front view
Pigging Valve — 45° view
45° view
Pigging Valve — Side view
Side view
Pigging Valve — Rear view
Rear view
Pigging Valve — Top view
Top view
Pigging Valve — Bottom view
Bottom view
Pigging Valve — Top-down view
Top-down view
Pigging Valve — Longitudinal section
Longitudinal section
Pigging Valve — Transverse section
Transverse section

Product features

  • Thorough Pigging

    The full-bore design allows the pig to pass freely and effectively removes impurities, accumulated liquid and deposits inside the pipeline.

  • Excellent Sealing

    The combination of metal hard sealing and elastic sealing provides double protection and tight shutoff.

  • Easy and Flexible Operation

    Manual operation with worm gear transmission makes opening and closing smooth and reliable.

  • High Pressure Rating

    The high-strength body design can withstand pressure up to PN100 for different operating conditions.

  • Wide Application Range

    Suitable for natural gas, oil products, water and other media with a temperature range of -29°C ~ 150°C.

  • Compact and Reliable Structure

    Compact overall structure, fewer parts, easy maintenance and long service life.

Product section views

Pigging Valve — Longitudinal section
Longitudinal section
Pigging Valve — Transverse section
Transverse section
Pigging Valve — Sealing structure detail
Sealing structure detail
Pigging Valve — Isometric view
Isometric view
  1. Valve body
  2. Bonnet
  3. Pigging ball
  4. Valve seat
  5. Seat sealing ring
  6. Valve stem
  7. Handwheel
  8. Position indicator
  9. Pressure gauge
  10. Drain valve
  11. Drain pipe
  12. Lifting lug
  13. Bolts and nuts
  14. Support feet

Optional configurations

Pigging Valve — Position indicator
Position indicator
Pigging Valve — Pressure gauge
Pressure gauge
Pigging Valve — Drain valve
Drain valve
Pigging Valve — Manual emergency handle
Manual emergency handle
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