Kaida Corrugated Pipe

Case

Urban District Heating Network (Large Diameter + High Expansion Capacity + Limited Space)

2026-04

04

Urban District Heating Network (Large Diameter + High Expansion Capacity + Limited Space)

Operating Conditions: DN1200, 150°C hot water, 200-meter pipe section, thermal expansion of 240 mm, confined space.

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1000 MW Ultra-Supercritical Unit Main Steam Pipeline (540°C High Temperature + Long-Distance Thermal Expansion)

2026-04

04

1000 MW Ultra-Supercritical Unit Main Steam Pipeline (540°C High Temperature + Long-Distance Thermal Expansion)

Operating Conditions: DN800, 540°C/25 MPa, Pipe Length 380 m, Thermal Expansion 420 mm, Significant Vibration (8.3 mm/s).

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Yaoheba Hydropower Station on the Nanya River, Sichuan (Large Diameter + High Internal Pressure + Fault Displacement)

2026-04

04

Yaoheba Hydropower Station on the Nanya River, Sichuan (Large Diameter + High Internal Pressure + Fault Displacement)

Operating Conditions: Pressure steel pipe DN4000, internal pressure 2.5 MPa, crossing a fault, radial displacement ±70 mm, 5 expansion joints.

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Qinghai-Tibet Plateau Long-Distance Refined Oil Pipeline (Low Temperature + Large Temperature Difference + Permafrost Displacement)

2026-04

04

Qinghai-Tibet Plateau Long-Distance Refined Oil Pipeline (Low Temperature + Large Temperature Difference + Permafrost Displacement)

Operating Conditions: Altitude 4,500 m, Pipe Diameter DN600, Medium: Refined Oil, Daily Temperature Difference 40°C, Permafrost Thaw-Freeze Lateral Displacement ±80 mm, Pressure 10 MPa.

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