INSULATED JOINT

QDQ-JD Series Insulated joint made by WSIECO is general terms of conduit joint that is fitted seal ability buried steel requirement and is needed by electrical method corrosion protection engineering.

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PVC Insulated Joint

Overview

Insulated joint is used to perform insulation and seclusion amony each section of steel pipe, pipelines and equipment to avoid flowing off of electricity, and reduce galvanic corrosion and disturbance of disorder current etc.

Applications

Insulated joint has range of application, apply to transportation for line of gas and line that non-conducting medium, and providing protection for conducting medium such as steam, pulp, water etc.

  • Size Range: DN25(1″)-DN1200(48″)
  • Working Temperature: -10 ~ + 90℃
  • Suitabe Meida: Gas, Oil, Water
  • Pressure Class: ANSI 150-ANSI 600(Up to ANSI1500)

Insulated Joint

Insulated Joint

Materials

  • Bending strength: Lengthways≥390MPa & Crosswise≥290MPa
  • Tensile Strength: Lengthways≥340MPa & Crosswise≥240MPa
  • Steel: 20# Forge or 16Mn Forge
  • Filling Material: Cold-hardened heat curing resin
  • Short Pipe: Strength is not lower than pipeline.
  • Insulation paint: epoxy resin of import liquid
  • Anti-rot material: PET anti-rot material

Features

  • Insulation-resistant value: more than 10mΩ
  • Compressive strength: ≥350Nm 2
  • Anti-aging materials
  • Steel degree strong
  • Long service life
  • Sealing in insulated ring of laminated section
  • O type and U self-tightening sealing ring type
  • With fluorine rubber to seal
  • Polymer composite material and cold hot rigid solid resin
  • No need to maintain
  • Underground installation

Insulated Joint

Insulated Joints Structure

Structure

1. Pipe A
2. Foreline Flange
3. Sealing Ring
4. Insulating Slab
5. Rear Flange
6. Insulation Sealing Filler
7. Insulating Slab

8. Sealing Ring
9. Forged Flange
10. Insulation Sealing Filler
11. External Coating
12. Pipe B
13. Internal Coating

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