HIGH-PRESSURE FLOWLINE

Integral Fittings

One-piece forged union-ended elbows, tees, crosses, wyes, laterals and related fittings for high-pressure service iron.

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Red Integral Fittings

PRODUCT OVERVIEW

Purpose and construction

Integral fittings are forged from a solid piece of alloy steel, removing welded or threaded pressure-boundary joints from the fitting body. Chamfered bores and increased connection-wall thickness help reduce turbulence and local erosion, while removable retainer rings allow union nuts to be replaced.

Technical features

  • One-piece forged construction
  • 2 in, 3 in and 4 in sizes
  • Fig 602, Fig 1002 and Fig 1502 connection families
  • Elbows, tees, crosses, wyes, laterals, crowfoot crosses and integral pup joints
  • Male and female union-end combinations
  • Chamfered bore transitions
  • Replaceable wing nut through removable retainer-ring arrangement
  • AISI 4130/4140 reference alloy steels with sour-service material controls where required

Typical applications

  • Fracturing and acidizing
  • Cementing
  • Wellhead testing and servicing
  • Plug-valve choke manifolds
  • Surface high-pressure manifolds

TECHNICAL DATA

Selection and supply basis

Nominal size2 in, 3 in or 4 in
Union figureFig 602, Fig 1002 or Fig 1502
Rated working pressure6,000 to 15,000 psi
Temperature reference-46 °C to 121 °C (LU)
ServiceStandard or sour gas
TypesElbow, tee, cross, wye, lateral, crowfoot cross and pup joint
ConstructionOne-piece forged alloy steel; final grade and heat treatment by approved design
ServiceStandard or sour-gas service; final metallurgy and hardness confirmed against the approved fluid data
Temperature basisProject-selected temperature class; reference range -46 °C to 121 °C where stated
InspectionMaterial traceability, dimensional inspection, NDE and hydrostatic/functional testing to the approved ITP
DocumentationDatasheet, drawings, MTRs, NDE and pressure-test records as specified
Supply positioning

Energy Equipment International supplies flowline equipment against approved project requirements. Manufacturing, monogram, certification, interchangeability and performance claims apply only when confirmed in the selected supplier’s approved documentation.

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