ElectroJoint™ Monolithic Isolation Joints ElectroJoint™ Monolithic Isolation Joints

ElectroJoint™ Monolithic Isolation Joints

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 ElectroJoint™ 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 ElectroJoint™ MIJ is manufactured, individually weld-inspected, and hydrostatically tested under an ISO Quality Management System.

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

FEATURES AND 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# up to NPS 8, and 300#/600# up to NPS 6
  • 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

SPECIFICATIONS

  • Stocked in ANSI Classes 150# up to NPS 8, and 300#/600# up to NPS 6
  • Each weld is verified utilizing Magnetic Particle Inspection

150# ANSI CLASS (PN OR DP 25)

  • 150# ANSI Pressure Rating = 285 psi
  • ElectroJoint™ 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
  • ElectroJoint™ 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

Note: All data supplied is for standard joints. Please contact factory for nominal diameters, pressures (up to 2500 ANSI), temperatures (up to 320 °F / 160 °C) and electrical characteristics not shown. The information is subject to change at the manufacturer's discretion.

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 ElectroJoint™ 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 ElectroJoint™ 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.  In addition, X-ray tests can be conducted upon request. All ElectroJoint™ joints are manufactured under an ISO Quality Management System.

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