RJT Liner | BS4825 (Weld, Expand, Machined and Reducing)

RJT (also known as Ring Joint Type) is a British Standard union. RJT liners are a hygienic Stainless Steel fitting used in RJT unions, forming the inner part of the connection where the seal sits and helping create a clean, secure seal. Often used across a wide range of hygienic processing industries, including Food & Dairy, Beverages, AI Cooling, Direct Air Capture, Brewing and Cosmetics.

Product Specifications

• (Ring Joint Type) Weld Liner supplied as standard.
• To suit sizes 1” to 6”.
• Machined Liner available for a more secure and crevice free coupling.
• Expand and Reducing Liner options available.
• Grade 316 Stainless Steel.
• Manufactured to BS4825 for hygienic applications.

More About RJT Unions

RJT unions are comprised of 4 parts:

• Hexagon Nut
• Pressed or Machined Liner
• Weld Male
• Hygienic Rubber Seal (Nitrile as standard)

All wetted parts are grade 316 stainless steel, whilst the nut is 304.

RJT is a very forgiving union and is easy to install. It is well suited to applications that require regular dismantling.

Alongside our weld range of RJT we keep an extensive range of Expand Fittings from 1” to 4”.