Standard No.:	GB/T 19925-2005
Chinese Name:	液压传动 隔离式充气蓄能器优先选择的液压油口
English Name:	Hydraulic fluid power—Gas-loaded accumulators with separator—Selectrion of preferred hydraulic port
Professional Classification:	J20 Hydraulic and pneumatic device
Professional Classification:	GB National Standard
ICS Classification:	23.100.01 Fluid power systems in general
Issued by:
Issued on:	2005-09-19
Implemented on:	2006-04-01
Status:	VALID
Language:	English
File Format:	PDF
Word Count:
Price(USD):	please email coc@codeofchina.com for quotation
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1 Scope

This standard specifies the types and dimensions of hydraulic ports of gas-loaded accumulators with separator, which are used in hydraulic fluid power systems.

2 Normative References

The following standards contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies.

GB/T 2352 Hydraulic Fluid Power - Gas-loaded Accumulators with Separator - Ranges of Pressures and Volumes and Characteristic QuantitiesGB/T 2352—2003, idt ISO 5596:1999)

GB/T 17446 Fluid Power Systems and Components - Vocabulary GB/T 17446—1998, idt ISO 5598:1985)
ISO 1179-1:— Connections for General Use and Fluid Power — Ports and Stud Ends with ISO 228-1 Threads With Elastomeric or Metal-to-metal Sealing — Part 1: Threaded Ports.
ISO 6149-1:— Connections for Fluid Power and General Use — Ports and Stud Ends with ISO 261 Threads and O-ring Sealing — Part 1: Ports with O-ring Seal in Truncated Housing.
ISO 6162-1:2002 Hydraulic Fluid Power — Flange Connectors with Split or One-piece Flange Clamps and Metric Orinch Screws — Part 1: Flange Connectors for Use at Pressures of 3,5 MPa (35 bar) to 35 MPa (350 bar), DN 13 to DN 127.
ISO 6162-2:2002 Hydraulic Fluid Power — Flange Connectors with Split or One-piece Flange Clamps and Metric Orinch Screws — Part 2: Flange Connectors for Use at Pressures of 35 MPa (350 bar) to 40 MPa (400 bar), DN 13 to DN 51.
ISO 6164:1994 Hydraulic fluid power — One-piece Square-flange Connections — Part 1: Four-screw Square Flange Connections, 25 MPa (250 bar) Series, DN 10 to DN 63.

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3 Terms and Definitions

For the purposes of this standard, the terms and definitions given in GB/T 17446 and the following apply.

3.1
bladder type accumulator
gas-loaded accumulator in which the liquid and gas are separated by a flexible bag or bladder that is normally retained at one end of the shell