Burkert – Type BBS-03 – Welding Union in Sterile Orbital or Aseptic Version acc. DIN 11864 1

Aseptic weld end threaded connection

The sterile orbital threaded union utilizes a design which ensures controlled compression of the O-ring seal. Thereby a completely crevice free connection between the components is guaranteed. Consequently, no residues are possible, which contributes to increased process reliability and reduced purge times; the chance of solid waste in the system is also much less. The sterile orbital threaded union is a part of the BBS modular system which simplifies spare parts storage and offers a high flexibility.

type bbs-03

General Technical Data

Technical data
Available standard sizes	ISO DN08 to DN80 DIN DN10 to DN100 BS-OD DN1/2″ to DN4″
Material medium contact	Stainless steel 1.4435 BN2 (316L) Special materials on request
Material medium separated	1.4305 or equivalent
Connection	Rounded thread acc. to DIN 405 – 1
Seals	O-ring, EPDM, FEP, special seal material e.g. FFKM, pure PTFE etc. on request
Surface quality	Medium contacted surface < Ra 0.8μm,  electro polished, finer surface on request
Operating temperature	EPDM seal material:  – 40 °C to 90 °C, temporary to 140 °C FEP seal material:  – 60 °C to 160 °C, temporary to 205 °C
Ambient temperature	– 20 to + 80 °C
Media	Gases or liquids
Operating pressure	ISO DN08 to DN25 = 40 bar ISO DN32 to DN80 = 25 bar DIN DN10 to DN40 = 40 bar DIN DN50 to DN100 = 25 bar BS-OD DN1/2″ to DN1 ½” = 40 bar BS-OD DN2″ to DN4″ = 25 bar
Applicable Standards	Pipe connection acc. to DIN 11866 ISO dimensions series B (ISO 4200) DIN dimensions Series A (DIN 11850) BS-OD dimensions Series C (ASME BPE) Sealing acc. to DIN 11864 – 1, Form A
Certifications	FDA for all specified seal materials, USP Class VI for EPDM, PTFE and FEP

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