THE COMPLETE REFERENCE

Industrial Pipe Flanges - Every Type, Every Standard

The most comprehensive industrial flange resource available. Covering every flange type from weld neck to blind, every material from carbon steel to Monel, and every standard from ASME B16.5 to DIN. Sizes 1/2" through 144". Your single source for specifications, selection guidance, and sourcing.

10

Flange Types Covered

7

Pressure Classes

40+

Material Grades

6

International Standards

Flange Types at a Glance

Every industrial flange configuration, explained and cross-referenced to your application needs.

Weld Neck

High-pressure, high-temperature joints. The industry workhorse.

View Specs →

Slip-On

Easy alignment for low-pressure service. Cost-effective.

View Specs →

Blind

Seal pipeline endpoints. Isolation and testing.

View Specs →

Threaded

No welding required. Maintenance-friendly connections.

View Specs →

Socket Weld

Small-bore, high-pressure. Smooth internal flow.

View Specs →

Lap Joint

Rotational alignment. Easy field assembly.

View Specs →

Orifice

Flow measurement and tapping points.

View Specs →

Long Weld Neck

Nozzle extensions and vessel connections.

View Specs →

Product Categories

Complete product lines covering steel pipe flanges, exotic materials, and custom machining.

Steel Pipe Flanges

All 10 types, all pressure classes 150-2500, all sizes 1/2" to 144". ASTM A105, A350 LF2, A516, A694 grades with complete dimensional and pressure-temperature certification.

View Details →

Exotic & Specialty Materials

Monel 400/K-500, Inconel, Hastelloy, duplex, super duplex, and titanium. Corrosion-resistant, high-temperature, and subsea applications with full material certifications.

View Details →

Custom Machining & Fittings

CNC machining, non-standard bores, pipe fittings, and weld overlay. Reverse engineering, special facings, and complete fabrication from concept to delivery.

View Details →

Specialty Materials Spotlight

Advanced materials for demanding applications: marine, chemical processing, offshore, and extreme temperature service.

Monel

Monel 400 and K-500 for marine, chemical, and saltwater applications. Superior corrosion resistance in harsh environments.

Duplex Stainless

Duplex and super duplex for offshore, subsea, and high-chloride environments. Strength and corrosion resistance combined.

Inconel

Inconel alloys for extreme temperatures, gas turbines, and aerospace. Maintains strength beyond 2000°F.

Standards & Compliance

Complete coverage of international standards for flanges, fittings, materials, and welding.

ASME B16.5

Pipe flanges 1/2" through 24"

ASME B16.47

Large diameter flanges 26" and up

AWWA C207

Water and wastewater service

ASME B16.9

Factory welded fittings

ASME B16.11

Forged steel fittings

API 6A

Pipeline and wellhead equipment

ASME BPVC

Boiler and pressure vessel code

DIN EN 1092

Metric flange standards

Why This Resource

Comprehensive Coverage

10 flange types across every pressure class and size range. The complete spectrum of industrial flanges.

Material Depth

40+ material grades: carbon, stainless, alloy, and exotic alloys. Full specifications and technical data.

Practical Guidance

Selection frameworks, application guidance, and real-world engineering considerations.

Standards Clarity

ASME, ANSI, AWWA, DIN, and API explained. Know which standard applies to your application.

Technical Resources

CAD drawings, dimension tables, pressure-temperature charts, and reference guides.

Engineering Ready

Direct links to specifications, bolt dimensions, schedule comparisons, and technical analysis.

Industries Served

Engineering professionals across every major industrial sector rely on these specifications.

Oil & Gas

Petrochemical

Power Generation

Water & Wastewater

Chemical Processing

Mining & Minerals

Pulp & Paper

Food & Beverage

Marine & Shipbuilding

HVAC & Mechanical

Data Centers

Agriculture

Frequently Asked Questions

Common questions about flanges, materials, standards, and selection.

Ready to Specify Your System?

Use this resource to select the right flanges, materials, and specifications for your application. For sourcing and fabrication, contact our engineering team.

Call (281) 484-8325 for technical consultation and quotes.