STM PDF

Hydraulic fluid power - Four-port directional control valves - Mounting surfaces. Original standard ISO 4401-2005 in PDF full version. Additional info + preview on request

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Petroleum and related products - Determination of the corrosion resistance of fire-resistant hydraulic fluids - Part 1- Water-containing fluids. Original standard ISO 4404-1-2012 in PDF full version. Additional info + preview on request

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Petroleum and related products - Determination of the corrosion resistance of fire-resistant hydraulic fluids - Part 2- Non-aqueous fluids. Original standard ISO 4404-2-2010 in PDF full version. Additional info + preview on request

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Hydraulic fluid power - Fluid contamination - Determination of particulate contamination by the gravimetric method. Original standard ISO 4405-2022 in PDF full version. Additional info + preview on request

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Hydraulic fluid power - Fluids - Method for coding the level of contamination by solid particles. Original standard ISO 4406-2021 in PDF full version. Additional info + preview on request

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Hydraulic fluid power - Positive-displacement pumps, motors and integral transmissions - Methods of testing and presenting basic steady state performance. Original standard ISO 4409-2019 in PDF full version. Additional info + preview on request

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