Full flow couplings for harsh conditions SPI/OS

Stäubli’s SPI/OS full flow couplings are designed to perform under the most demanding conditions, offering outstanding resistance to shock. Fully protected sealing and locking provide an extra measure of security. The couplings are also very easy to handle, with an ergonomic locking sleeve that allows a firm grip even when wearing gloves.

Applications: Body to bogie and interbody pneumatic connections under harsh mechanical and environmental conditions (acceleration, vibration, low temperatures)

Technical specifications

  • Nominal diameter DN (mm): from 06 to 09
  • Maximum allowable pressure PS (bar)*: 10 


Compressed air


  • Stainless steel
  • Sockets equipped with a chloroprene (CR) protector

Other features

Complete connection solutions are also available, including hoses designed to meet the requirements of various certifications (NF F 16 101, DIN 5510, AAR).

*depending on the model and operating conditions