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Piggable Bends

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Piggable Bends

Piggable Bends Manufacturer & Supplier

Piggable Bends are specially designed pipe bends that allow the smooth passage of pipeline pigs used for cleaning, inspection, maintenance, and flow assurance operations. Unlike standard elbows, piggable bends feature a larger centerline radius and a smooth internal bore, ensuring that pipeline pigs can travel through the bend without obstruction or damage.

Our piggable bends are manufactured from premium-quality materials using advanced induction bending and hot-forming processes. Designed for high-pressure and high-temperature pipeline applications, they offer excellent dimensional accuracy, mechanical strength, corrosion resistance, and long service life. Piggable bends are widely used in oil & gas transmission pipelines, petrochemical plants, offshore facilities, refineries, water transmission systems, and other critical industrial applications.

Piggable Bends Specifications

ProductPiggable Bend
Bend TypeLong Radius Pipe Bend
Bend Angle30°, 45°, 60°, 90° & Custom Angles
Bend Radius3D, 5D, 8D, 10D & Larger
Connection TypeButt Weld
Size Range2" NB to 72" NB (Larger sizes available on request)
Wall ThicknessSCH 10 to XXS
Material StandardsASTM A234, ASTM A403, ASTM A420, ASTM A860, ASTM A815
Manufacturing ProcessHot Induction Bending & Heat Treatment
Surface FinishNatural, Black Painted, Pickled, Passivated, Sand Blasted
InspectionPMI, Dimensional Inspection, NDT & Third-Party Inspection

Piggable Bends Dimensions

Our piggable bends are manufactured with optimized centerline radii and smooth internal surfaces to ensure unrestricted pig movement through the pipeline.

Dimension charts generally include:

  • Nominal Pipe Size (NPS)
  • Outside Diameter (OD)
  • Bend Radius
  • Bend Angle
  • Wall Thickness
  • Tangent Length
  • Weight

Detailed dimension tables and engineering drawings are available upon request.

Available Material Grades

Our piggable bends are available in a wide range of material grades.

Carbon Steel

  • ASTM A234 WPB
  • ASTM A860 WPHY 42
  • ASTM A860 WPHY 52
  • ASTM A860 WPHY 60
  • ASTM A860 WPHY 65
  • ASTM A860 WPHY 70

Low Temperature Carbon Steel

  • ASTM A420 WPL6

Stainless Steel

  • ASTM A403 WP304
  • ASTM A403 WP304L
  • ASTM A403 WP316
  • ASTM A403 WP316L
  • ASTM A403 WP321
  • ASTM A403 WP347

Duplex Stainless Steel

  • ASTM A815 UNS S31803
  • ASTM A815 UNS S32205

Super Duplex Stainless Steel

  • ASTM A815 UNS S32750
  • ASTM A815 UNS S32760

Nickel Alloys

  • Inconel
  • Monel
  • Hastelloy
  • Incoloy
  • Nickel 200
  • Nickel 201

Key Features

  • Designed for pipeline pigging operations
  • Smooth internal bore for unrestricted pig movement
  • Long radius design minimizes pressure loss
  • High mechanical strength and durability
  • Excellent corrosion and erosion resistance
  • Precision-manufactured dimensions
  • Suitable for high-pressure and high-temperature pipelines
  • Long service life with minimal maintenance

Inspection & Testing

Every piggable bend undergoes comprehensive quality inspection before dispatch. Testing includes:

  • Positive Material Identification (PMI)
  • Visual Inspection
  • Dimensional Inspection
  • Ultrasonic Testing (UT)
  • Radiographic Testing (RT)
  • Magnetic Particle Testing (MT)
  • Dye Penetrant Testing (PT)
  • Hydrostatic Testing (when required)
  • Mechanical Testing
  • Material Test Certificate (EN 10204 3.1)
  • Third-Party Inspection

Applications

Piggable bends are widely used in:

  • Oil & Gas Transmission Pipelines
  • Petrochemical Plants
  • Refineries
  • Offshore Platforms
  • Onshore Pipeline Networks
  • LNG & LPG Facilities
  • Water Transmission Pipelines
  • Power Generation Plants
  • Chemical Processing Plants
  • Mining & Slurry Pipelines

Standards & Compliance

Our piggable bends are manufactured in accordance with applicable international standards, including:

  • ASME B16.49 (where applicable)
  • ASTM A234
  • ASTM A403
  • ASTM A420
  • ASTM A815
  • ASTM A860
  • API 5L (matching pipeline materials where applicable)
  • EN 10204 3.1 Certification
  • ISO Quality Standards (where applicable)

Packaging & Shipping

All piggable bends are packed using export-quality packaging to ensure safe transportation.

  • Wooden Crates
  • Plywood Boxes
  • Protective End Caps
  • Bubble Wrap Protection
  • Sea Worthy Export Packing
  • Custom Packaging Available

Why Choose Our Piggable Bends?

We manufacture and supply premium-quality piggable bends using certified raw materials and advanced induction bending technology. Every bend is manufactured to ensure smooth pig passage, excellent dimensional accuracy, and dependable performance under demanding operating conditions.

With strict quality control, competitive pricing, worldwide shipping, and custom manufacturing capabilities, we deliver reliable pipeline bending solutions for energy, petrochemical, and industrial projects worldwide.

Frequently Asked Questions

What is a Piggable Bend?

A piggable bend is a specially designed pipe bend that allows pipeline pigs to pass smoothly for cleaning, inspection, and maintenance operations without getting stuck.

Why are piggable bends preferred over standard elbows?

Piggable bends have a larger radius and smoother internal profile, reducing the risk of pig blockage and minimizing pressure loss.

Which materials are available?

We manufacture piggable bends in Carbon Steel, Stainless Steel, Duplex Stainless Steel, Super Duplex Stainless Steel, Nickel Alloys, and Low Temperature Carbon Steel.

What sizes are available?

Our piggable bends are available from 2" NB to 72" NB, with larger and custom sizes available on request.

Which industries use Piggable Bends?

They are widely used in oil & gas transmission, petrochemical, offshore, LNG, water transmission, power generation, mining, and other industrial pipeline systems.

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