18in 90D LR Elbow & WN/FF Lapped Flange Spool, A106B/A234 WPB/A105N, CL150, SCH40, B16.9

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BrandHuaSpareSKUAIG20261016005937001
CategoryPipe FittingStock12In Stock
Unitset
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Product Overview

This fabricated carbon steel pipe spool is supplied as an integrated fitting package for industrial piping systems. It includes an 18-inch seamless long-radius 90-degree elbow, Class 150 weld-neck and flat-face lapped flanges, and an ASTM A234 WPB stub end. Materials follow ASTM A106 Grade B, ASTM A234 Grade WPB, and ASTM A105N specifications for dependable performance in process, utility, oil, gas, water, and steam-service applications.

Key Features

  • Large 18-inch nominal size suitable for high-flow industrial pipelines
  • Seamless ASTM A106 Grade B pipe construction for pressure integrity
  • ASTM A234 Grade WPB butt-weld elbow and stub end for reliable welded joints
  • Long-radius 90-degree elbow design reduces flow resistance and pressure drop
  • ASTM A105N forged carbon steel flanges rated to Class 150
  • Weld-neck and flat-face lapped flange configurations supplied with the spool
  • Dimensions and fittings aligned with ASME B16.9 and industrial piping standards
  • Reference spool identification: SPOOL 80-335-33

Specifications

ParameterSpecification
Product TypeCarbon Steel Pipe Spool with Elbow, Flanges and Stub End
Nominal Size18 Inch
Elbow Type90 Degree Long Radius Butt-Weld Elbow
Elbow MaterialASTM A234 Grade WPB Carbon Steel
Pipe MaterialASTM A106 Grade B Seamless Carbon Steel
Pipe ScheduleSchedule 40
ConstructionSeamless (SMLS)
Flange TypesWeld-Neck Flange and Flat-Face Lapped Flange
Flange MaterialASTM A105N Forged Carbon Steel
Pressure ClassClass 150
Flange FaceFlat Face (FF) for Lapped Flange Configuration
Stub End MaterialASTM A234 Grade WPB, Seamless
Fitting StandardASME B16.9
Reference NumberSPOOL 80-335-33

Applications

  • Oil and gas gathering and process piping
  • Petrochemical and chemical plants
  • Power generation and steam utility systems
  • Water treatment and wastewater pipelines
  • Pump rooms, compressor stations and industrial utilities
  • Large-diameter fluid transfer and HVAC infrastructure

Package Contents

1 x 18-inch carbon steel pipe spool assembly including ASTM A234 WPB long-radius elbow, ASTM A105N Class 150 weld-neck and flat-face lapped flanges, ASTM A234 WPB stub end, and ASTM A106B Schedule 40 seamless pipe section as specified for SPOOL 80-335-33.