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JB/T 6921-2017 English PDF

US$229.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
JB/T 6921-2017: Roots vacuum pump system
Status: Valid

JB/T 6921: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JB/T 6921-2017English229 Add to Cart 3 days [Need to translate] Roots vacuum pump system Valid JB/T 6921-2017
JB/T 6921-2004English399 Add to Cart 3 days [Need to translate] Roots vacuum pumps system Obsolete JB/T 6921-2004
JB/T 6921-1993English319 Add to Cart 3 days [Need to translate] (Roots vacuum pump) Obsolete JB/T 6921-1993

PDF similar to JB/T 6921-2017


Standard similar to JB/T 6921-2017

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Basic data

Standard ID JB/T 6921-2017 (JB/T6921-2017)
Description (Translated English) Roots vacuum pump system
Sector / Industry Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard J78
Classification of International Standard 23.160
Word Count Estimation 10,115
Date of Issue 2017-01-09
Date of Implementation 2017-07-01
Older Standard (superseded by this standard) JB/T 6921-2004
Quoted Standard GB/T 13306; GB/T 13384; GB 22360; JB/T 7674
Regulation (derived from) Ministry of Industry and Information Technology Announcement No.2 of 2017
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the type and basic parameters of roots vacuum pump units, technical requirements, test methods, inspection rules, safety requirements and measures, signs, packaging, transportation and storage. This standard applies to Roots vacuum pumps as the main pump or intermediate pump, with slide valve vacuum pump, rotary vane vacuum pump, water ring vacuum pump, oil ring vacuum pump, water ring atmospheric jet pump, air-cooled Roots vacuum pump, reciprocating vacuum pump, screw vacuum pump The claw-type dry vacuum pump is a Roots vacuum pump unit composed of a fore pump.

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Question 5: Should I purchase the latest version JB/T 6921-2017?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JB/T 6921-2017 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.