Type 6B and 6BX Flanges
WeldFit designs and manufactures loose flanges in compliance with API Specification 6A with R/RX and BX ring grooves. Flanges are available in any configuration, including weld-necks, threaded, blinds, target flanges, and drilled & tapped for testing.
Key Features:
- Available with weld-neck bevel for welding onto customer equipment or with threads for screwed connections
- Blind, target and test flanges available
- Designed in accordance with the dimensions specified in API Specification 6A
- Available with 316L Stainless Steel or Inconel 625 corrosion resistant alloy ring grooves
- Available for general service and sour service in compliance with any temperature rating and material requirements specified in API Specification 6A
- Special material available
- Manufactured in compliance with WeldFit’s API and ISO 9001:2008 certified quality program
Ordering Information:
- Size and pressure rating
- Flange configuration (Weld-neck, Threaded, Blind, Target, Test)
- End preparation for weld-neck hubs
- Thread specification for screwed connections
- Connection detail for test flanges
- API temperature classification or minimum/maximum design temperature
- API material classification or required material
- Corrosion resistant alloy material, if required - common CRA materials are 316L Stainless Steel and Inconel 625
Custom Manufacturing
WeldFit is a world-class provider of custom designed and manufactured products for the oilfield, pipeline, refining, and petrochemical industries.
Whether you have a complete design package or a conceptual idea, WeldFit has the experience, skills, and equipment to manufacture products that meet your needs for quality and reliability.

