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Valves and flow control

Manual and mechanical valvesActuated valvesControl valvesSolenoid valvesActuators and control accessories

Pipe and piping fittings

Industrial pipesButt-weld fittingsHigh-pressure forged fittingsThreaded and galvanized fittingsReinforced branch outletsPolymer pipe, valves and fittings

Joining, flanges and sealing

Industrial flangesGaskets and sealing systemsLine blinds and isolation platesStud bolts, bolts and nuts

Steam, strainers and equipment protection

Steam and condensate equipmentPipeline strainers and filters

Instrumentation and measurement

Process measurement instrumentsInstrument fittings and manifolds

Supports and flexible connections

Pipe supports, hangers and clampsExpansion joints and flexible connectors

Steel products and sections

Industrial steel sections and products

Pipe and piping fittings

High-pressure forged fittings

Fitting class, size, end type, forging grade and socket depth or thread form must match the project piping class.

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Type and construction

Available types

Each type has its own technical page
1

Socket-weld elbow

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Socket-weld tee

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Socket-weld cross

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Full coupling

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Half coupling

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Union

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Socket-weld cap

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Threaded elbow

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Threaded tee

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Threaded coupling

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Square-head plug

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Hex-head plug

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Reducing bushing

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Quick comparison

How the main types differ in selection

Open a type for full details
TypePurposeBest suited toWatchpoint
Socket-weld elbowChanging line direction with a defined angle and radiusProcess, transmission and utility piping layoutsRadius, wall, thinning, corrosion allowance and local stress
Socket-weld teeCreating a branch from the run pipe or dividing flowEqual or reducing branches in a piping networkRun and branch sizes, reinforcement, load direction and stress requirements
Socket-weld crossCreating a branch from the run pipe or dividing flowEqual or reducing branches in a piping networkRun and branch sizes, reinforcement, load direction and stress requirements
Full couplingBuilding the transport path and changing piping geometryProcess, transmission and utility pipingDimensions, wall, material, joining, corrosion and stress
Half couplingBuilding the transport path and changing piping geometryProcess, transmission and utility pipingDimensions, wall, material, joining, corrosion and stress
UnionBuilding the transport path and changing piping geometryProcess, transmission and utility pipingDimensions, wall, material, joining, corrosion and stress
Socket-weld capClosing a line end or providing positive isolationLine ends, future tie-ins, testing or maintenanceTrapped pressure, venting, safe removal procedure and wall thickness
Threaded elbowChanging line direction with a defined angle and radiusProcess, transmission and utility piping layoutsRadius, wall, thinning, corrosion allowance and local stress
Threaded teeCreating a branch from the run pipe or dividing flowEqual or reducing branches in a piping networkRun and branch sizes, reinforcement, load direction and stress requirements
Threaded couplingBuilding the transport path and changing piping geometryProcess, transmission and utility pipingDimensions, wall, material, joining, corrosion and stress

3 additional types above have their own detail pages.

Before selection

Information to define

  1. 1Class 2000 to 9000
  2. 2End type
  3. 3Thread form
  4. 4Forging grade
  5. 5Size and reduction
  6. 6Material documentation

Typical materials

Forged carbon steelForged stainless steelForged alloy steel

Typical connections

Socket-weldThreaded

Typical media

High-pressure processSteamInstrumentation

Function

What does this family do?

Joining and sealing

Creating welded, threaded, flanged or mechanical joints with compatible sealing

Functional selection guide

Routing, branching and mixing

Changing line direction, dividing or combining flow and creating branches

Functional selection guide

Fluid transport and line construction

Building a dependable flow path between equipment and process units

Functional selection guide

Technical reference

Related standards

The exact edition and requirements must be checked against the project specification.

ASME B16.11ASME B1.20.1

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Related families

Industrial pipes

Metallic and non-metallic pipe for process, transmission and utility services

Reinforced branch outlets

Standard reinforced branches from a run pipe with welded, socket, threaded or flanged outlets

Instrument fittings and manifolds

Safe connection of tubing, gauges and transmitters to the process

Manual and mechanical valves

The broadest family for isolation, non-return, pressure regulation and line protection

Engineering note

This page supports initial screening and does not replace engineering calculations, project specifications, manufacturer approval or design pressure-temperature checks.

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