SC1 - Symbols, terminology and classifications

SC2 - Pumps, motors and integral transmissions

SC3 - Cylinders

SC4- Connectors and similar products and components

SC5 - Control products and components

SC6 - Contamination control

SC7 - Sealing devices

SC8 - Product testing

SC9 - Installations and systems

Standards directly controlled by TC 131 Secretariat