JB/T 7939-2010 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JB/T 7939-2010	279	Add to Cart	3 days	Hydraulic fluid power. Cylinders. Bore and rod area ratios	Obsolete
JB/T 7939-1999	279	Add to Cart	3 days	Hydraulic fluid power. Cylinders. Bore and rod area ratios	Obsolete

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Basic data

Standard ID: JB/T 7939-2010 (JB/T7939-2010)
Description (Translated English): Hydraulic fluid power. Cylinders. Bore and rod area ratios
Sector / Industry: Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard: J20
Classification of International Standard: 23.100.20
Word Count Estimation: 7,761
Date of Issue: 2010-02-11
Date of Implementation: 2010-07-01
Older Standard (superseded by this standard): JB/T 7939-1999
Quoted Standard: GB/T 2348; GB/T 17446
Adopted Standard: ISO 7181-1991, MOD
Regulation (derived from): Engineering (2010) No. 82; industry standard filing Notice 2010 No. 5 (No. 125 overall)
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies the single rod hydraulic cylinder area ratio of the two chambers. This standard applies to single rod cylinders, rodless cylinder corresponding to the rod chamber and two-chamber cavity standard ratio of the effective cross-sectional area.

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