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ElectroJointâ„¢ Monolithic Isolation Joints

ElectroJointâ„¢ Monolithic Isolation Joints
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ElectroJointâ„¢ Monolithic Isolation Joints

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GPT’s new ElectroJoint™ monolithic isolation joint (MIJ) is a maintenance-free alternative to flanged pipeline connections appropriately sized and priced for gas distribution lines.

The ElectroJointâ„¢ MIJ eliminates the risk of failure due to improper field assembly of traditional flange components by providing a complete coated isolation system that simply requires two butt welds on either end of the joint for installation.

The ElectroJointâ„¢ MIJ is manufactured, individually weld-inspected, and hydrostatically tested under an ISO Quality Management System.

The availability of the ElectroJointâ„¢ MIJ means even more of these pipeline integrity problems caused by human error can now be cost-effectively prevented.

Features & Benefits
Specifications
Additional Information
Downloads
Resources

Features & Benefits

  • Eliminates short circuits, field assembly and maintenance
  • Coated both internally and externally to resist corrosive gas and particulates
  • Individually electrically tested and weld inspected
  • Manufactured under an ISO Quality Management System
  • May eliminate vaulting costs
  • Stocked in ANSI Classes 150#/300#/600# up to NPS 8
  • Each weld is verified utilizing Magnetic Particle Inspection
  • Each MIJ undergoes a hydrostatic test at 1.5x MAOP
  • Quick Installation process
  • 1 year full warranty

Specification

150# ANSI CLASS (PN OR DP 25)

  • 150# ANSI Pressure Rating = 285 psi
  • ElectroJointâ„¢ Continuous Operating Pressure = 300 psi
  • Test Pressure = 450 psi
  • Working Temperature: Range = 1 °F to 158 °F (-17 °C to 70 °C)
  • Electrical Resistance (Dry Air) = ≥ 10 MΩ at 1000 V DC
  • Breakdown Voltage (Dry Air) = 3 kV AC, 50 Hz for 1 minute

300/600# ANSI CLASS (PN OR DP 100)

  • 600# ANSI Pressure Rating = 1,480 psi
  • ElectroJointâ„¢ Continuous Operating Pressure = 1,500 psi
  • Test Pressure = 2,225 psi
  • Working Temperature Range = 1 °F to 158 °F (-17 °C to 70 °C)
  • Electrical Resistance (Dry Air) = ≥ 10 MΩ at 1000 V DC
  • Breakdown Voltage (Dry Air) = 3 kV AC,50 Hz for 1 minute

Additional Information

Eliminates Short Circuits

Bolts, sleeves and washers — the major source of short circuits in most isolation assemblies — are eliminated with the ElectroJoint™ monolithic isolation joint. Each joint is electrically tested during production to assure integrity, performance and isolating properties to protect against dielectric and galvanic corrosion.

Eliminates Field Assembly

The ElectroJointâ„¢ isolation joint is completely factory assembled and tested. There are no flanges, gaskets, nuts, bolts, sleeves or washers to handle and consequently no fluid leaks due to improper field assembly.

100% Hydrostatically Tested

All ElectroJointâ„¢ MIJs undergo a hydrostatic test at 1.5x MAOP in accordance with ASME B31.3 standards.

Completely Weld Inspected

The integrity of each weld is verified utilizing magnetic particle inspection.  All ElectroJoint™ joints are manufactured under an ISO Quality Management System.

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