Flanges

Flanges for Process Connections

Secure, standardized mounting for critical sensors.

Flanges provide rigid, repeatable connections for thermowells, protection tubes, and sensor assemblies. We supply common ANSI/ASME ratings and custom machining to match your installation.

Flanged temperature sensor assembly with stainless process flange, probe sheath, and connection head

Common Types

  • Slip-on — economical and easy to align
  • Weld neck — high integrity, heavy-duty service
  • Socket weld — compact for smaller pipe sizes
  • Threaded — no weld required
  • Blind — end-of-line isolation
  • Flanged straight and flanged tapered assembly-compatible options

We also build flange-integrated temperature assembly interfaces, including thermowell and sensor-compatible bores and facing details for retrofit and OEM skids.

Slip-on flanges are bored slightly larger than the matching pipe, allowing the pipe to slip into the flange prior to welding both inside and outside. They are usually selected where fabrication cost and installation simplicity matter more than maximum pressure capability.

Information to Share for Quoting

  • ANSI/ASME class rating
  • Nominal size + bore/schedule
  • Facing type (RF, RTJ, FF)
  • Material requirements (316SS, carbon steel, etc.)
  • Quantity + any machining details
  • Sensor assembly interface details (thermowell, RTD, or thermocouple integration)

If the flange is part of a complete temperature assembly, include the nozzle drawing, insertion length, and whether the build needs thermowell, RTD, or thermocouple replacement access.

Standards

Common ANSI/ASME class ratings and bolt patterns.

Materials

Stainless, carbon steel, and specialty alloys as required.

Machining

Custom bores, facing, and hardware to match assemblies.

Browse Flanged and Severe-Duty Product Pages

Use these paths when you already know whether the job is a standard flanged temperature assembly or a higher-pressure engineered build.

Standard Flanged Assemblies

For process-ready RTD and thermocouple assemblies built around common flange ratings, replacement access, and controlled insertion geometry.

Flanged TC/RTD Assemblies

Thermocouple and RTD assemblies built around pressure-rated flange interfaces.

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Severe-Duty & High-Pressure

For reactor, wellhead, heavy-wall, and other demanding process points where pressure integrity and maintainable sensor replacement both matter.

High-Pressure Assemblies

Severe-duty thermocouple and RTD builds for subsea, reactor, and wellhead applications.

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Assembly Scope

  • Flanged thermocouple and RTD assemblies for process-ready replacement service
  • High-pressure and heavy-wall configurations for severe process conditions
  • Duplex and dual-element assemblies where redundancy or dual instrumentation paths are required
  • Compact probe builds adapted to constrained flange and nozzle geometries

Common Program Uses

  • Process skids, reactor nozzles, vessels, and piping systems that need repeatable bolted interfaces
  • OEM equipment where flange rating, face type, and insertion geometry must be controlled together
  • Retrofit work where the assembly has to match an installed nozzle or drawing package exactly
  • High-pressure measurement points that need both mechanical integrity and maintainable sensor replacement

Industries Where Flanged Assemblies Are Common

These industries are the most common fit for flanged thermowell and sensor assemblies with defined ratings, faces, and bolted process interfaces.

Oil, Gas & Refining

Refinery, petrochemical, and severe-duty process interfaces where flange class and drawing match are critical.

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Chemical & Process

Reactor, vessel, and skid applications that need bolted connections with engineered insertion geometry.

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Energy & Power

Plant equipment and utility systems that require maintainable, rated process interfaces.

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Book an RFI Meeting

Walk us through your flange requirements and constraints. We’ll recommend options and next steps.

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Flange Dimensions and Weight Chart PDFs