British Standards Institution

Sector: Manufacturing

Overview: Under the direction of the Standards Policy and Strategy Committee, is responsible for the UK input to the relevant sub committees and working groups of ISO/TC 131 for standards relating to fluid power (hydraulic and/or pneumatic) systems and associated components.

Committee standards activity

In Progress (3)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS ISO 8426	Hydraulic fluid power -- Positive displacement pumps and motors -- Determination of derived capacity Categories: Pumps and motors Drafting begins : 2020-08-13	Drafting
BS ISO 14743	Pneumatic fluid power -- Push-in connectors for thermoplastic tubes Categories: Piping and couplings Drafting begins : 2014-09-29	Drafting
BS 5200	Specification for dimensions of hydraulic connectors and adaptors Categories: Information management \| Standardization. General rules \| Engineering \| Fluid systems and components \| Fluid power systems \| Pumps and motors Proposal begins : 2023-06-28	Proposal

Published (24)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PD ISO/TR 10946:2019	Hydraulic fluid power. Gas-loaded accumulators with separator. Selection of preferred hydraulic ports Categories: Fluid power system components. Other Published standard begins : 2019-08-14	Published standard
DD ISO/TR 16144:2002	Hydraulic fluid power. Calibration of liquid automatic particle counters. Procedures used to certify the standard reference material SRM 2806 Categories: Filters, seals and contamination of fluids Published standard begins : 2002-11-08	Published standard
BS ISO 9110-2:2020	Hydraulic fluid power. Measurement techniques. Measurement of average steady-state pressure in a closed conduit Categories: Fluid power systems. General Published standard begins : 2020-05-14	Published standard
BS ISO 9110-1:2020	Hydraulic fluid power. Measurement techniques. General measurement principles Categories: Fluid power systems. General Published standard begins : 2020-05-14	Published standard
BS ISO 8778:2003	Pneumatic fluid power. Standard reference atmosphere Categories: Ambient atmospheres \| Fluid power systems. General Published standard begins : 2003-03-24	Published standard
BS ISO 5599-2:2001	Pneumatic fluid power. Five-port directional control valves. Mounting interface surfaces with optional electrical connector Categories: Control components Published standard begins : 2001-11-01	Published standard
BS ISO 5599-1:2001	Pneumatic fluid power. Five-port directional control valves. Mounting interface surfaces without electrical connector Categories: Control components Published standard begins : 2001-11-01	Published standard
BS ISO 5598:2020	Fluid power systems and components. Vocabulary Categories: Fluid systems and components \| Fluid power systems. General Published standard begins : 2020-01-16	Published standard
BS ISO 5352-1:2023	Hydraulic fluid power. Determination of discharge flow rate and thermal losses of gas loaded accumulators. Test method Categories: Fluid power systems. General Published standard begins : 2023-09-28	Published standard
BS ISO 4409:2019	Hydraulic fluid power. Positive-displacement pumps, motors and integral transmissions. Methods of testing and presenting basic steady state performance Categories: Pumps and motors Published standard begins : 2019-07-18	Published standard

Withdrawn (22)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS ISO/TR 16386:1999	Impact of changes in ISO fluid power particle counting. Contamination control and filter test standards Categories: Filters, seals and contamination of fluids Withdrawn begins : 2014-11-19	Withdrawn
BS ISO 7241-2:2000	Hydraulic fluid power. Quick-action couplings. Test methods Categories: Piping and couplings Withdrawn begins : 2017-09-18	Withdrawn
BS ISO 6358-1:2013	Pneumatic fluid power. Determination of flow-rate characteristics of components using compressible fluids. General rules and test methods for steady-state flow Categories: Fluid power systems. General Withdrawn begins : 2020-07-15	Withdrawn
BS ISO 3384:1999	Rubber, vulcanized or thermoplastic. Determination of stress relaxation in compression at ambient and at elevated temperatures Categories: Rubber Withdrawn begins : 2001-05-30	Withdrawn
BS ISO 2942:2004	Hydraulic fluid power. Filter elements. Verification of fabrication integrity and determination of the first bubble point Categories: Filters, seals and contamination of fluids Withdrawn begins : 2018-10-25	Withdrawn
BS ISO 19973-4:2007	Pneumatic fluid power. Assessment of component reliability by testing. Pressure regulators Categories: Fluid power systems. General Withdrawn begins : 2014-03-04	Withdrawn
BS ISO 19973-3:2007	Pneumatic fluid power. Assessment of component reliability by testing. Cylinders with piston rod Categories: Fluid power systems. General Withdrawn begins : 2015-09-10	Withdrawn
BS ISO 19973-2:2015	Pneumatic fluid power. Assessment of component reliability by testing. Directional control valves Categories: Fluid power systems. General Withdrawn begins : 2019-02-08	Withdrawn
BS ISO 19973-2:2007	Pneumatic fluid power. Assessment of component reliability by testing. Directional control valves Categories: Fluid power systems. General Withdrawn begins : 2015-09-10	Withdrawn
BS ISO 19973-1:2007	Pneumatic fluid power - Assessment of component reliability by testing. General procedures Categories: Fluid power systems. General Withdrawn begins : 2015-08-13	Withdrawn

Standards Development

MCE/18 - Fluid power systems and components

Committee standards activity