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  • igp@igpindia.com

Monolithic Insulation Joints

Monolithic insulation joint is a boltless structure that provides electrical resistance between the pipeline sections and adjoining structures, thus improving the effectiveness of the Cathodic Protection System (CP systems).

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Range
Size 1” to 48”
Class From ANSI 150 to 2500
Design Temp
Normal Temp -46°C to 95°C.
High Temp Up to 250°C (On Customer request)
Pressure
Design Pressure As per ANSI B16.25
Test Pressure 1.5 times X Design Pressure
Standard Features
Insulating Ring ASTM D709 G10 TY IV
Seals Nitile / Viton
Coating Epoxy Resin (Min 200µ)
Service Sweet / Sour
Location Onshore / Offshore
Suitable Below / Above Ground
Metallic Parts
Rings ASTM A105, ASTM A694, F42 - F70
Pup Pieces Pup Pieces
Electrical Features
Di – Electric Strength 5 KV 50 Hz AC for 1 Min
Insulation Resistance Min 1 Mega Ohm @ 1000V DC
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Standards

  • Design : NACE, ASME Scc VIII, Shell
  • Calculations : As per ASME Sec VIII
  • Welding Procedure : As per ASME Sec IX, API1104, DNV710105

Testing

  • Hydrostatic Test
  • Pneumatic Test
  • Fatigue Test
  • NDE examinations
  • Electrical Test:
    • Insulation Resistance Test @ 1000 Volt DC
    • Di – Electric Strength Test up to 5000 Volt 50 Hz AC

Special Test

  • Helium Leak Test
  • Holiday Test
  • Adhesion Test
  • Flange Displacement Test

Details required on enquiry

  • Size & Rating
  • Mating Pup Piece Details
  • Materials (Pup /Body/Insulating Material)
  • Design & Test Pressure
  • Design Temperature
  • Service
  • Location
  • Quantity

IGP Engineers Products

Spiral wound gaskets, Ring Gaskets, Solid metal gaskets, Non metallic gaskets, Insultation kit gaskets, Heat Exchanger gaskets, Kammprofile Gaskets, monolitihic insulation joints, Valve Components clamp.

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IGP Group of Companies


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