STM PDF

Leisure accommodation vehicles - Liquefied petroleum gas systems. Original standard ISO 7421-1991 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Leisure accommodation vehicles - Caravans - Habitation requirements. Original standard ISO 7422-1991 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Hydraulic fluid power cylinders - Dimensions and tolerances of housings for elastomer-energized, plastic-faced seals - Part 1- Piston seal housings. Original standard ISO 7425-1-2021 in PDF full version. Additional info + preview on request

Document status: Active

Hydraulic fluid power cylinders - Dimensions and tolerances of housings for elastomer-energized, plastic-faced seals - Part 2- Rod seal housings. Original standard ISO 7425-2-2021 in PDF full version. Additional info + preview on request

Document status: Active

Fine bubble technology - Domestic applications - Part 1- Assessment of showerhead devices by evaluating size and concentration indices of generated fine bubbles. Original standard ISO 7428-1-2024 in PDF full version. Additional info + preview on request

Document status: Active

Fine bubble technology - Industrial and consumer device applications - Part 1- Assessment of water pressure driven nozzles by evaluating size and concentration indices of generated fine bubbles. Original standard ISO 7429-1-2024 in PDF full version. Additional info + preview on request

Document status: Active