Sanitary Unions

Sanitary Unions

Sanitary unions are used in product lines that require regular assembling and disassembling. It can be categorized into SMS, DIN, RJT, and IDF standards. Each of the sanitary union includes a nut, liner, male threaded part, and sealing gasket.
CME offers a variety of sanitary unions based on different standards and can be widely used in below industry. 
 
1. Dairy 
2. Food and beverage 
3. Breweries
4. Cosmetics
5. Biotech 
6. Pharmaceutical
7. Chemicals
 
Sanitary Union Types：
● 3-A sanitary unions.
● DIN sanitary unions.
● ISO sanitary unions.
● IDF sanitary unions - International Dairy Federation.
● RJT sanitary unions - Ring Joint Type.
● SMS sanitary unions - Swedish Manufacturing Standard.
● Gasket Material: EPDM, Silicone, FKM, PTFE.
 
3A Sanitary Union

3A Sanitary Union

Sanitary Unions Series

3A Bevel Seat Union is a fitting used on the process equipment and piping to ensure rigidity of the system.  A union consists of a threaded bevel ferrule, a plain bevel ferrule and a hex nut, which usually offering in 304 only.

Seals are not required for positive shut-off of bevel seat Unions; however, it could be purchased on request. 
DIN Sanitary Union

DIN Sanitary Union

Sanitary Unions Series

DIN union ("Deutsches Institut für Normung", which means "German institute for Standardization) are fabricated complying with DIN 11851 standard.  A union comprises of a round nut (4 slot/6 slot), a weld liner, a weld male and a o-ring seal.  

It permits to disconnect without interfering with other pipe work, easy to disassemble for cleaning, repairing and replacement.

  • Compliable with DIN standard tube diameters
  • Size range:  DN10 ~ DN150
  • Roughness:  Ra 0.8μm (Ra 32μinch)
  • Stainless steel material:  304ss, 316L
  • Seal : NBR, EPDM , Silicone , FKM

 

 

IDF Sanitary Union

IDF Sanitary Union

Sanitary Unions Series

IDF sanitary union (International Dairy Federation) fittings are recognized by the hexagon nut and T section seal ring.
Comprising of a nut, male, liner and T section seal.  IDF union have a smooth bore with a crevice free design and are sometimes referred to as an ISS fitting (International Sanitary Standard).

  • Compliable with IDF standard tube diameters
  • Size range:  1" ~ 4"
  • Roughness:  Ra 0.8μm (Ra 32μinch)
  • Stainless steel material:  304ss, 316L
  • Seal : NBR, EPDM , Silicone , FKM
RJT Sanitary Union

RJT Sanitary Union

Sanitary Unions Series

RJT Sanitary Union ( Ring Joint Type) is a British standard union to BS4825 and comprises of an male part, welding Liner, seal and a hex or round nut.

RJT unions are the popular hygienic union in the UK and it is reliable to use in food processing environments.

  • Compliable with RJT standard tube diameters
  • Size range:  1" ~ 4"
  • Roughness:  Ra 0.8μm (Ra 32μinch)
  • Stainless steel material:  304ss, 316L
  • Seal : NBR, EPDM , Silicone , FKM
SMS Sanitary Union

SMS Sanitary Union

Sanitary Unions Series

SMS union (Swedish Manufacturing Standard) features a captive seal design to provide a smooth, crevice-free internal bore. It comprises of a round nut, welding liner and male part with an L style seal.

  • Compliable with SMS standard tube diameters
  • Size range:  1" ~ 4"
  • Roughness:  Ra 0.8μm (Ra 32μinch)
  • Stainless steel material:  304ss, 316L
  • Seal : NBR, EPDM , Silicone , FKM