JB/T 6921-2017 English PDF

US$229.00 · 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: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JB/T 6921-2017	229	Add to Cart	3 days	Roots vacuum pump system	Valid
JB/T 6921-2004	399	Add to Cart	3 days	Roots vacuum pumps system	Obsolete
JB/T 6921-1993	319	Add to Cart	3 days	(Roots vacuum pump)	Obsolete

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HG/T 6093   JB/T 8693   JB/T 4333.2   JB/T 8944   JB/T 1246   JB/T 6922   

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Older Standard (superseded by this standard): JB/T 6921-2004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?

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